/P 312 0 R /K [ 191 0 R 192 0 R 193 0 R 194 0 R 195 0 R 196 0 R 197 0 R ] << Which antennas are renowned as patch antennas especially adopted for space craft applications? /Type /StructElem The characteristic impedance for a single, duplex and quadruple antenna, … /Type /StructElem << /K [ 263 0 R 265 0 R 267 0 R 269 0 R 271 0 R 273 0 R 275 0 R ] /K [ 0 ] << /Pg 30 0 R 233 0 obj b) False << 300 0 obj /Pg 69 0 R /P 661 0 R << /Type /StructElem /Type /StructElem /P 654 0 R 685 0 obj /Type /StructElem /K [ 19 ] /P 352 0 R /Pg 30 0 R endobj endobj << endobj 8. endobj << /Pg 111 0 R << << /Pg 69 0 R 288 0 obj In Microstrip antenna, the patch and feed line is photo etched on dielectric substrate << The formulas we used to calculate the length and width of patch are shown below. >> << /P 727 0 R /Pg 111 0 R >> /P 352 0 R /S /P /Pg 30 0 R 538 0 obj /K [ 12 ] /Type /StructElem endobj endobj /P 737 0 R 129 0 obj /K [ 699 0 R ] /S /P 605 0 obj /K [ 13 ] >> /Type /StructElem >> /P 441 0 R /K [ 44 ] >> /S /TD /Pg 69 0 R 426 0 obj 710 0 obj 788 0 obj endobj 777 0 obj /K [ 18 ] /Type /StructElem /Type /StructElem << /Pg 111 0 R /MarkInfo << /P 661 0 R /S /P 466 0 obj /Type /StructElem /Type /StructElem /Pg 96 0 R << /P 119 0 R /Type /StructElem /P 434 0 R /K [ 37 ] /S /P /K [ 362 0 R ] endobj /Pg 96 0 R /Type /StructElem >> 645 0 obj >> /K [ 78 ] endobj 720 0 obj endobj Jun 10, 2013 #1 H. Hellfir€ Newbie level 4. /Slide /Part /S /L /Pg 30 0 R >> /Pg 30 0 R endobj >> >> /Type /StructElem 597 0 obj 407 0 obj /Type /StructElem /Type /StructElem /Type /StructElem 547 0 obj /Type /StructElem endobj >> /S /P /S /InlineShape /S /TD 265 0 obj /Pg 89 0 R 141 0 obj A microstrip patch antenna is one of the most popular microwave antennas. /P 119 0 R /Type /StructElem << /K [ 26 ] /S /TR /Pg 111 0 R /K [ 22 ] >> 576 0 obj /K [ 43 ] << << >> << >> /Type /StructElem << /P 265 0 R 721 0 obj /S /L 138 0 obj endobj >> >> 583 0 R 584 0 R 585 0 R 590 0 R 591 0 R 592 0 R 593 0 R 594 0 R 595 0 R 596 0 R 597 0 R 699 0 obj 322 0 obj 371 0 R 374 0 R 375 0 R 378 0 R 379 0 R 382 0 R 383 0 R 388 0 R 391 0 R 395 0 R 399 0 R /K [ 39 ] /K [ 246 0 R ] >> >> endobj /Type /StructElem /K [ 218 0 R ] /Type /StructElem /P 335 0 R >> endobj << /P 262 0 R /Pg 111 0 R /K [ 659 0 R ] /Pg 111 0 R /Pg 30 0 R 609 0 obj /Pg 111 0 R >> 427 0 obj 123 0 obj /Alt () /S /LI << /P 352 0 R /Type /StructElem /P 119 0 R endobj [ 651 0 R 653 0 R 657 0 R 659 0 R 660 0 R 664 0 R 666 0 R 668 0 R 670 0 R 672 0 R The resonant frequency of antenna is 4.1GHz. /Type /StructElem 680 0 obj >> << /QuickPDFFb080c1cc 10 0 R << /Type /StructElem /P 119 0 R << /S /Span /Pg 30 0 R /S /TD endobj 749 0 obj /P 292 0 R /K [ 37 ] >> /S /P /P 119 0 R /P 770 0 R /Type /StructElem >> 253 0 obj /K [ 773 0 R ] /S /P << /S /Span /Type /StructElem /Type /StructElem /K [ 29 ] >> a. /S /InlineShape >> /Type /StructElem /S /P /Type /StructElem /Pg 69 0 R /P 119 0 R << << /S /P Which of the following is the most common version of the printed antenna? << >> /K [ 8 ] /P 765 0 R /Type /StructElem /S /Span endobj /P 119 0 R 309 0 obj endobj /Pg 96 0 R endobj /P 119 0 R >> endobj << << /K [ 462 0 R 463 0 R 464 0 R ] /S /TD /Pg 89 0 R /Type /StructElem << >> /Type /StructElem /Type /StructElem /Type /StructElem 422 0 obj endobj /S /TD /P 690 0 R /Pg 69 0 R /Alt () 482 0 obj /P 737 0 R << >> /P 119 0 R /Pg 30 0 R /K [ 15 ] /Type /StructElem /S /TD /Type /StructElem >> endobj /S /P /Type /StructElem >> /K [ 801 0 R ] /Type /StructElem /K [ 210 0 R ] endobj /Pg 30 0 R << a) Rectangular 794 0 obj /Type /StructElem 334 0 R 336 0 R 337 0 R 340 0 R 342 0 R 344 0 R 346 0 R 348 0 R 350 0 R 351 0 R 354 0 R /Type /StructElem /K [ 62 ] 544 0 obj >> endobj /S /Figure /P 119 0 R 165 0 obj 748 0 obj /K [ 19 ] /P 399 0 R /S /TD /Type /StructElem /K [ 2 ] << /S /P /K [ 47 ] /S /P /S /TD /K [ 759 0 R ] 524 0 obj /S /P << << /Pg 69 0 R /Type /StructElem /Type /StructElem 571 0 obj << The following image shows a micro-strip or patch antenna. /P 119 0 R /P 119 0 R /S /TD endobj << /Pg 30 0 R 441 0 obj 293 0 obj /Pg 30 0 R /Type /StructElem endobj /K [ 83 ] /S /LBody /Type /StructElem << /P 277 0 R << /Pg 103 0 R /Type /StructElem 318 0 obj 833 0 obj /Pg 89 0 R /P 343 0 R /Pg 96 0 R /P 119 0 R << /Type /StructElem /S /P /Filter /FlateDecode /Type /StructElem >> /S /P endobj /Type /StructElem /K [ 358 0 R ] /S /P << /S /P /P 119 0 R /P 241 0 R << /K 33 endobj /Type /StructElem /Pages 2 0 R /S /Span /Type /StructElem 429 0 obj endobj /S /P /S /TD /Type /StructElem 221 0 obj /P 205 0 R /Pg 30 0 R /Type /StructElem /K [ 94 ] /S /P /P 410 0 R << /K [ 84 ] /Pg 30 0 R /Pg 30 0 R endobj << << endobj 506 0 obj << >> /K [ 489 0 R 490 0 R 491 0 R ] endobj >> /Type /StructElem 185 0 obj /P 119 0 R << /K [ 7 ] /Pg 111 0 R << >> /Type /StructElem endobj /K [ 260 0 R ] << /Type /StructElem endobj /P 200 0 R << /K [ 23 ] endobj /S /Span /P 509 0 R /Type /StructElem /K 41 /S /Span endobj endobj /K 62 >> /Pg 30 0 R 248 0 obj /Type /StructElem /S /Span 740 0 obj >> 410 0 obj 574 0 obj endobj /Type /StructElem /S /TD 572 0 obj << /Type /StructElem The C- shape antenna is meant on FR-4 substrate and is fed through 50 ohm microstrip feed line. /P 742 0 R /K [ 493 0 R 494 0 R ] >> /P 129 0 R /Pg 111 0 R /Pg 69 0 R >> << 751 0 obj /P 119 0 R >> /P 391 0 R endobj /P 430 0 R /S /P /StructTreeRoot 116 0 R endobj /P 709 0 R /Pg 111 0 R /S /GoTo endobj /K [ 785 0 R ] /S /TD 350 0 obj /K [ 35 ] /Type /StructElem /Type /StructElem << << /Type /Action 555 0 obj >> /K [ 34 ] endobj /Type /StructElem endobj /Pg 89 0 R /S /Span /K [ 533 0 R ] /S /TD >> /K [ 21 ] >> 338 0 obj /S /TD /Type /StructElem /P 190 0 R endobj /Type /StructElem endobj << a) Horn antenna endobj d) Elliptical /P 119 0 R /Pg 30 0 R 184 0 obj << << /P 816 0 R /S /Span /P 119 0 R >> 608 0 obj << /Type /StructElem 791 0 obj /Type /StructElem endobj >> 565 0 obj /Type /StructElem /P 248 0 R >> /Pg 30 0 R /Nums [ 0 121 0 R 1 124 0 R 2 147 0 R 3 158 0 R 4 164 0 R 5 185 0 R 6 652 0 R ] << /Type /StructElem /P 119 0 R /QuickPDFF88b96cc5 19 0 R /Pg 96 0 R >> /K [ 496 0 R 497 0 R ] endobj /Type /StructElem >> /S /Span Linear b. Loop c. Helical d. All of the above. endobj /K [ 41 ] /P 819 0 R /Pg 69 0 R /S /P /Type /StructElem 692 0 obj /Type /StructElem /S /P /DisplayDocTitle false /Pg 111 0 R /Type /StructElem /P 190 0 R /Pg 111 0 R >> /P 827 0 R /S /P endobj 747 0 obj /P 300 0 R /P 119 0 R /Type /StructElem >> /Type /StructElem >> /P 312 0 R /P 119 0 R /S /P /S /TD /K [ 447 0 R ] /S /P /Pg 69 0 R 652 0 obj >> /Type /StructElem /P 372 0 R b) Microstrip antenna 425 0 obj >> >> /S /P 795 0 obj /Pg 30 0 R >> endobj /Pg 111 0 R ] << /Type /StructElem /S /Span /Pg 30 0 R >> /Pg 111 0 R /Pg 111 0 R /K [ 37 ] >> endobj 681 0 obj /P 434 0 R >> 249 0 obj >> /Pg 3 0 R endobj endobj /Pg 103 0 R /K [ 568 0 R ] >> /Type /StructElem /S /P In Microstrip antenna, the patch and feed line is photo etched on dielectric substrate a) True b) False View Answer. /S /TD /K 33 /K [ 588 0 R ] endobj endobj << /Pg 111 0 R << >> /K [ 656 0 R 658 0 R 660 0 R ] /P 119 0 R /S /P /S /Span /P 751 0 R endobj << 450 0 R 451 0 R 455 0 R 456 0 R 458 0 R 460 0 R 459 0 R 462 0 R 463 0 R 467 0 R 466 0 R << /Pg 30 0 R /S /P << /Type /StructElem /S /TR /P 410 0 R 161 0 obj 484 0 obj /S /P 399 0 obj endobj >> /S /P /K [ 24 ] /P 814 0 R /S /LBody /Pg 30 0 R /Pg 69 0 R /P 704 0 R /S /P The reflection coefficient is less than -10dB for a frequency range of 3.1GHz to 5.1 GHz. << endobj /Pg 69 0 R >> << << /P 300 0 R /Type /StructElem 703 0 obj /P 119 0 R /P 445 0 R /Pg 69 0 R /K [ 1 ] /K 55 /Pg 111 0 R /S /P endobj /K [ 54 ] 192 0 obj /S /P /K [ 114 ] endobj /S /TD /Pg 30 0 R >> endobj /S /LBody 525 0 R 526 0 R 527 0 R 530 0 R 531 0 R 535 0 R 536 0 R 537 0 R 538 0 R 539 0 R 540 0 R /Alt () /Type /StructElem /P 119 0 R /Pg 30 0 R >> /Type /StructElem Microstrip patch antenna consists of very thin metallic strip placed on ground plane where the thickness of metallic strip is restricted by t<< λ 0 and the height is restricted by0.0003λ 0 ≤ .05λ 0 (where λ 0 is wavelength) microstrip patch is designed so that its radiation pattern is maximum normal direction to the patch. >> endobj >> /K [ 442 0 R 443 0 R ] /P 425 0 R %���� /Pg 30 0 R /Type /StructElem /Type /StructElem /P 257 0 R /S /LI /Type /StructElem >> /P 174 0 R /K [ 781 0 R ] /Pg 111 0 R 653 0 obj /K 27 /Type /StructElem /Pg 69 0 R 285 0 obj /S /P /P 457 0 R /Pg 89 0 R /Pg 111 0 R /S /P 347 0 obj /Pg 111 0 R >> /S /TR >> /P 129 0 R 604 0 obj << /K [ 5 ] /Pg 111 0 R /Pg 111 0 R /Pg 89 0 R endobj /Pg 30 0 R >> /K [ 34 ] /P 262 0 R /Pg 111 0 R /Pg 30 0 R /Pg 3 0 R 499 0 obj 308 0 obj /S /L |/���#PW�=���t��6�wI�|o*>ى2z��G�ۡ#�|Y�ţ�]�5�[3'�R���[Aq��L|Ԝ�N���� f���I8)�0�\A;ShdUE�sL���DeJզ���K�����fXҒO��ҳC�g� p,F3��ӌ}Ɖ�$�UB��Қ�a�g`SV5c�(��r��j�T��,[4-(�l���gU���[�zv��.�z8U8`��/X�Q�K��C�c�]W�"g� � CG����VNc49v 404 0 obj stream >> /S /P /S /L /K [ 708 0 R ] /K [ 13 ] /Alt () /Pg 30 0 R /P 532 0 R /Pg 96 0 R << /S /P /S /TD >> endobj >> >> b) Circular /P 119 0 R /S /TD >> /Type /StructElem /S /TR /Pg 30 0 R /K [ 175 0 R 176 0 R ] /K 61 213 0 obj 281 0 obj endobj >> /Type /StructElem >> << 776 0 obj 808 0 obj 413 0 obj /S /Figure /S /TD >> /S /P 210 0 obj << /Pg 3 0 R /S /P 552 0 obj /P 696 0 R /Pg 111 0 R /K [ 240 0 R ] /Pg 89 0 R << /K [ 74 ] /P 307 0 R /Pg 30 0 R endobj 463 0 obj /Pg 30 0 R /S /Figure /P 119 0 R /P 119 0 R /Pg 111 0 R /NonFullScreenPageMode /UseNone 51 3 3 bronze badges. 610 0 obj /Type /StructElem /Pg 111 0 R /K 111 202 0 obj /Type /StructElem /K 71 /Type /StructElem /K [ 92 ] /K [ 274 0 R ] /P 234 0 R /K [ 221 0 R 223 0 R 225 0 R 227 0 R 229 0 R 231 0 R 233 0 R ] endobj endobj /K [ 256 0 R ] 815 0 obj Example of Microstrip Antenna3. /Pg 111 0 R /S /P 118 0 obj /Font << /S /InlineShape /Type /StructElem 538 0 R 539 0 R 540 0 R 541 0 R 542 0 R 543 0 R 544 0 R 545 0 R 546 0 R 547 0 R 548 0 R /Type /StructElem /Pg 89 0 R 633 0 R 634 0 R 635 0 R 636 0 R 637 0 R 638 0 R 639 0 R 640 0 R 641 0 R 642 0 R 643 0 R /P 324 0 R /Type /StructElem endobj /K [ 9 ] << /S /LBody endobj /P 680 0 R /P 473 0 R >> /Pg 30 0 R /P 567 0 R /Pg 69 0 R 615 0 obj /Type /StructElem endobj /Pg 103 0 R /K [ 19 ] 305 0 obj << >> /Pg 30 0 R /Type /StructElem endobj /Pg 111 0 R endobj /Pg 30 0 R >> /S /Span 146 0 obj /P 119 0 R /S /P /S /P 537 0 obj >> endobj /StructParents 0 /Pg 103 0 R /S /LBody 737 0 obj 149 0 obj 460 0 obj >> /P 119 0 R >> /Pg 30 0 R All Rights Reserved. /S /L /P 472 0 R << /Pg 69 0 R endobj endobj 352 0 obj /Pg 111 0 R /Type /StructElem /K [ 42 ] Horn, Wire and Lens doesn’t have any patch. << /Type /StructElem 561 0 obj /K [ 8 ] << 241 0 obj << /Type /StructElem << /K [ 679 0 R ] /Type /StructElem /P 119 0 R >> /Type /StructElem /K [ 17 ] /S /TD >> /Pg 30 0 R >> 613 0 obj endobj 659 0 obj << >> 669 0 obj /K [ 82 ] endobj /K [ 614 0 R ] << /Pg 3 0 R 45) Which antennas are renowned as patch antennas especially adopted for space craft applications? /Pg 3 0 R /Type /StructElem >> << 792 0 obj /Type /StructElem /S /L /Pg 69 0 R endobj endobj /Pg 30 0 R /K [ 763 0 R ] endobj /QuickPDFFc7e0c30f 15 0 R /P 234 0 R /P 255 0 R >> /S /P << /P 267 0 R /K [ 676 0 R 677 0 R ] 764 0 obj 333 0 obj >> /Type /StructElem >> /S /P << /Pg 30 0 R 402 0 obj endobj /Pg 30 0 R /Pg 30 0 R /P 347 0 R /Pg 30 0 R >> endobj /P 674 0 R /Type /StructElem endobj /Pg 111 0 R Basic Questions (you must know these answers) What is the difference between Directivity and Antenna Gain? /Type /StructElem endobj >> << 365 0 obj /S /Span >> 493 0 obj Overview of Microstrip Antennas. >> endobj << Surface wave. /S /P /P 137 0 R 575 0 obj << /Pg 69 0 R /Alt () << /Pg 30 0 R << /K [ 63 ] /P 215 0 R /P 276 0 R /P 737 0 R /P 119 0 R >> /Pg 30 0 R << /K [ 466 0 R 467 0 R ] 368 0 obj 421 0 obj endobj << /Pg 30 0 R /Type /StructElem 137 0 obj endobj /P 589 0 R endobj /K [ 28 ] /S /P /Type /StructElem /P 296 0 R /K [ 26 ] /Pg 30 0 R /P 119 0 R /K 45 endobj endobj /Pg 103 0 R << << Abstract: The purpose of this paper is to design a microstrip rectangular antenna in Advance Design System Momentum (ADS). << /P 119 0 R /S /Table << >> /Pg 111 0 R /P 119 0 R /P 784 0 R 166 0 obj /Pg 111 0 R /K [ 88 ] /S /P >> >> /P 765 0 R 687 0 obj << /K [ 5 ] /S /TD /Pg 30 0 R 629 0 obj /Type /StructElem /Type /StructElem endobj /K 20 << /P 654 0 R /P 119 0 R /S /P 393 0 obj endobj >> /P 703 0 R << /K [ 20 ] /Type /Catalog /Pg 69 0 R /P 338 0 R /K [ 339 0 R 341 0 R 343 0 R 345 0 R 347 0 R 349 0 R 351 0 R ] /P 654 0 R /P 119 0 R /Footnote /Note /P 568 0 R endobj /S /P /S /TD endobj d) Lens antenna << endobj endobj The main radiator is a rectangular patch made up of copper. /P 713 0 R /K [ 771 0 R ] >> << /P 569 0 R >> /S /P >> /S /Span >> /Pg 30 0 R /S /TD >> /K [ 13 ] /Pg 3 0 R endobj >> 634 0 obj >> /P 751 0 R /Type /StructElem 307 0 obj << << /Pg 69 0 R /S /TR 478 0 obj /Type /StructElem /Type /StructElem /S /Textbox 497 0 obj /S /Span endobj /Type /StructElem /Type /StructElem endobj /S /P The length and width of the microstrip patch antenna … << /S /TR 797 0 obj /Type /StructElem >> endobj /S /P 428 0 obj 226 0 obj /Pg 89 0 R /S /P endobj /Pg 3 0 R /Type /StructElem /Type /StructElem endobj /Type /StructElem /K [ 34 ] endobj /Pg 111 0 R /Type /StructElem Which have lots of applications in d field of biomedical,satellites, wlan, wimax, umts etc. /S /TD /K [ 28 ] /S /TD /Type /StructElem /S /Span 636 0 obj >> /Type /StructElem /P 119 0 R /P 119 0 R endobj /Pg 30 0 R << /K [ 20 ] 777 0 R 778 0 R 781 0 R 783 0 R 785 0 R 787 0 R 789 0 R 791 0 R 792 0 R 795 0 R 797 0 R /S /P Virtual Height, Critical Frequency and Muf, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Slot Antenna Questions and Answers – Types, Next - Microstrip Antenna Questions and Answers – Feed Methods, Slot Antenna Questions and Answers – Types, Microstrip Antenna Questions and Answers – Feed Methods, Engineering Physics II Questions and Answers, Microwave Engineering Questions and Answers, Avionics Questions and Answers – Antenna Fundamentals, Antennas Questions and Answers – Aperture Antenna – Beamwidths, Reflector Antenna Questions and Answers – Application of Parabolic Reflector, Electromagnetic Theory Questions and Answers – Types of Transmission Lines, Antennas Questions and Answers – Folded Dipole Antenna – Types, Microwave Engineering Questions and Answers – Micro-Strip Lines, Reflector Antenna Questions and Answers – Parabolic Reflector Antenna, Antennas Questions and Answers – Frequency Independent Antenna – Helical Antenna, Horn Antenna Questions and Answers – Design – 1, Antennas Questions and Answers – Frequency Independent Antenna – Log Periodic Antenna, Avionics Questions and Answers – Types of Antenna – 1, Reflector Antenna Questions and Answers – Basics, Horn Antenna Questions and Answers – Design – 2, Horn Antenna Questions and Answers – Principles, Microwave Engineering Questions and Answers – Antenna Family, Microstrip Antenna Questions and Answers – Numerical Tool for Antenna Analysis. 345 0 obj /Type /StructElem >> /Pg 30 0 R 728 0 obj << >> /Type /StructElem endobj /K [ 23 ] [ 184 0 R 189 0 R 191 0 R 195 0 R 192 0 R 196 0 R 193 0 R 197 0 R 194 0 R 201 0 R /Pg 30 0 R /K [ 34 ] /Type /StructElem << /S /TD /Pg 111 0 R /Type /StructElem /Pg 111 0 R /K [ 18 ] endobj /Type /StructElem endobj /Type /StructElem /S /TD /Pg 89 0 R How to design micro-strip patch antenna full tutorials. /Pg 30 0 R << >> << 562 0 obj << endobj >> 121 0 obj /Pg 30 0 R 2 0 obj endobj 695 0 R 697 0 R 699 0 R 701 0 R 702 0 R 705 0 R 706 0 R 708 0 R 710 0 R 712 0 R 714 0 R 379 0 obj << /Type /StructElem /K 19 /P 119 0 R /Pg 89 0 R /S /TD << /S /L << >> endobj endobj /K [ 22 ] /Pg 69 0 R /Type /StructElem << /Pg 111 0 R << /P 316 0 R /K [ 77 ] /S /P 173 0 R 176 0 R 175 0 R 177 0 R 178 0 R 179 0 R 180 0 R 181 0 R 182 0 R 183 0 R 130 0 R /Pg 69 0 R /P 295 0 R 262 0 obj /P 403 0 R /K 12 >> /K [ 517 0 R 518 0 R ] /Pg 111 0 R endobj << endobj /Pg 30 0 R /Type /StructElem 394 0 obj /Type /StructElem /K 11 >> /P 715 0 R << /Type /StructElem 521 0 obj c) Wire antenna endobj /S /P endobj /P 119 0 R >> 252 0 obj endobj /K [ 107 ] << /Type /StructElem /Pg 103 0 R /Pg 111 0 R /Pg 96 0 R endobj /S /P /Pg 111 0 R endobj 445 0 obj << /Type /StructElem /K [ 32 ] endobj /Type /StructElem /S /L << << /K [ 15 ] /Type /StructElem endobj << Antenna Types, particularly dipole antennas and Microstrip Antennas. endobj << 302 0 obj 592 0 obj 510 0 obj >> /S /TD /Pg 69 0 R /Pg 111 0 R endobj 532 0 obj >> /P 468 0 R How to write a third person persuasive essay. /P 751 0 R << /K [ 12 ] /K [ 57 ] endobj 552 0 R 553 0 R 554 0 R 555 0 R 556 0 R 557 0 R 558 0 R 559 0 R 560 0 R 561 0 R 562 0 R /Pg 111 0 R /K [ 11 ] /Pg 3 0 R /S /Span /P 119 0 R 739 0 obj C) Is It Possible To Design A Wideband Microstrip Antenna Using The U-slot Patch Technique? >> /K [ 226 0 R ] endobj << << 717 0 obj << 763 0 obj /S /Span /Pg 89 0 R /P 793 0 R << /S /P endobj 268 0 R 270 0 R 272 0 R 274 0 R 275 0 R 278 0 R 282 0 R 281 0 R 286 0 R 285 0 R 290 0 R /S /Span /Pg 111 0 R 593 0 obj 507 0 obj 186 0 obj 546 0 obj << 789 0 obj /K [ 34 ] << endobj endobj /P 119 0 R >> endobj /Pg 111 0 R /S /Span endobj 523 0 obj 372 0 obj /S /InlineShape << /Pg 30 0 R /Alt () /Type /StructElem << << /Pg 69 0 R >> /Type /StructElem /S /P /Type /StructElem /K [ 428 0 R ] /P 407 0 R /S /P /P 505 0 R /K [ 11 ] /P 774 0 R 328 0 obj /S /P endobj /P 689 0 R >> >> /Type /StructElem /Type /StructElem >> endobj endobj 246 0 R 247 0 R 250 0 R 252 0 R 254 0 R 256 0 R 258 0 R 260 0 R 261 0 R 264 0 R 266 0 R 130 0 obj /Type /StructElem << /K [ 5 ] /Pg 30 0 R /S /InlineShape 663 0 obj endobj 319 0 obj /K [ 482 0 R ] /P 220 0 R /P 488 0 R /S /P /K [ 587 0 R ] << /Parent 2 0 R /P 234 0 R /Type /StructElem 199 0 obj /K [ 99 ] 716 0 R 717 0 R 720 0 R 722 0 R 723 0 R 725 0 R 726 0 R 728 0 R 729 0 R 731 0 R 732 0 R endobj 384 0 obj /Type /StructElem /K [ 529 0 R ] /S /H1 /Type /StructElem /Type /StructElem >> /P 516 0 R /P 119 0 R /S /TD /P 262 0 R /Type /StructElem /P 220 0 R /Type /StructElem /K [ 2 ] /K [ 68 ] << 786 0 obj /K [ 39 ] 159 0 obj << >> /Type /StructElem >> << /Pg 69 0 R 829 0 obj /Pg 30 0 R /P 324 0 R endobj 694 0 obj /S /P >> /K [ 207 0 R 209 0 R 211 0 R 213 0 R 215 0 R 217 0 R 219 0 R ] << /K [ 455 0 R ] /K [ 22 ] /S /P >> /Type /StructElem endobj /Type /StructElem endobj /P 689 0 R /Pg 30 0 R 647 0 obj >> >> 424 0 obj /K [ 25 ] << >> /K [ 38 ] /K [ 40 ] /Type /StructElem 643 0 obj /Type /StructElem /K [ 753 0 R ] endobj /S /P /S /P >> /Type /StructElem /P 689 0 R >> /K [ 655 0 R 661 0 R 674 0 R 689 0 R 703 0 R 718 0 R 737 0 R 751 0 R 765 0 R 779 0 R /Type /StructElem /K [ 738 0 R 740 0 R 742 0 R 744 0 R 746 0 R 748 0 R 750 0 R ] << << /Type /StructElem << /Type /StructElem /Pg 69 0 R /S /TD /Type /StructElem /S /P /P 119 0 R /Pg 111 0 R endobj /Count 7 /P 654 0 R >> /P 780 0 R /S /P >> /Type /StructElem << /P 296 0 R /K [ 27 ] /P 703 0 R >> /K [ 29 ] Explanation: In Microstrip antenna patch is created on the dielectric substrate using photo-etching. 3. /P 119 0 R /K 13 /Pg 3 0 R 362 0 obj /S /Figure /Type /StructElem >> Microstrip line feed Coax feed. /S /L /Type /StructElem /Type /StructElem /Pg 30 0 R << << 219 0 obj The result I got is good but the antenna is very selective and I haven't been able to increase the BW. /S /InlineShape << 326 0 obj /S /Span /P 700 0 R >> /Pg 103 0 R /P 248 0 R /Alt () /Type /StructElem /Type /StructElem 519 0 obj /Pg 30 0 R endobj << /K [ 249 0 R 251 0 R 253 0 R 255 0 R 257 0 R 259 0 R 261 0 R ] << << endobj /Pg 3 0 R /S /P >> 383 0 obj /P 229 0 R /CenterWindow false 172 0 obj /Type /StructElem /S /L /Type /StructElem /Type /StructElem endobj /Type /StructElem endobj 195 0 obj 251 0 obj endobj >> View Answer, 2. /P 276 0 R /S /Span /P 748 0 R 845 0 obj >> 730 0 obj /P 707 0 R >> 205 0 obj /Pg 30 0 R /Pg 30 0 R /K [ 76 ] endobj 734 0 R 735 0 R 736 0 R 739 0 R 741 0 R 743 0 R 745 0 R 747 0 R 749 0 R 750 0 R 753 0 R >> >> /P 762 0 R /Pg 69 0 R endobj /Type /StructElem /Type /StructElem /K [ 28 ] /Alt () /Type /StructElem /K [ 63 ] /Pg 89 0 R endobj 839 0 obj /P 719 0 R 464 0 obj /Type /StructElem /Pg 69 0 R /Type /StructElem endobj /P 119 0 R endobj The shape and size of patch may vary the return loss. >> endobj << /K [ 86 ] endobj >> /S /P >> 518 0 obj /Pg 103 0 R endobj /Type /StructElem << endobj /Type /StructElem << 209 0 obj 414 0 obj /Type /StructElem /Type /StructElem /Type /StructElem >> /Pg 96 0 R endobj /K 59 << /K 104 /K [ 49 ] /K [ 722 0 R 723 0 R ] << /Type /StructElem endobj >> /K [ 731 0 R 732 0 R ] /S /TD /S /P /Pg 111 0 R 216 0 obj /K [ 3 ] /K [ 31 ] /S /P /Type /StructElem /Type /StructElem /Pg 111 0 R /Pg 30 0 R /Pg 30 0 R 771 0 obj /Type /StructElem /Type /StructElem /P 531 0 R /S /Span endobj 388 0 obj /Type /StructElem /Type /StructElem /S /P >> /Pg 30 0 R /P 793 0 R /Alt () << /S /P /Type /StructElem << /K 58 /K [ 27 ] /Pg 30 0 R /Pg 69 0 R /Pg 103 0 R Here are a set of actual antenna engineer interview questions, to give you an idea. /Pg 30 0 R >> /Pg 111 0 R endobj endobj endobj >> /S /Span /K [ 325 0 R 327 0 R 329 0 R 331 0 R 333 0 R 335 0 R 337 0 R ] /Type /StructElem /Pg 30 0 R /P 119 0 R << endobj << 627 0 obj >> /Pg 30 0 R >> /S /TD /Type /StructElem /K [ 503 0 R ] 272 0 obj /S /Part Microstrip Antenna2. /Type /StructElem /P 119 0 R /Type /StructElem 314 0 obj /S /TD /Pg 69 0 R 785 0 obj /P 119 0 R /P 220 0 R 599 0 obj /Pg 111 0 R /Type /StructElem /Type /StructElem >> /Type /StructElem /Pg 111 0 R /P 220 0 R endobj /QuickPDFF291d5b78 42 0 R /K 87 endobj 646 0 obj 396 0 obj /P 721 0 R /S /Span /Pg 30 0 R /P 119 0 R << /Type /StructElem /P 655 0 R << /P 338 0 R /P 119 0 R << /S /P endobj /P 248 0 R /P 119 0 R /S /Span endobj /Type /StructElem /Type /StructElem 577 0 obj << /P 119 0 R /Pg 69 0 R endobj 143 0 obj << /S /P /Pg 111 0 R endobj /Pg 89 0 R 423 0 obj /Pg 103 0 R 215 0 obj << endobj endobj 297 0 obj Currently, the BW is 40 MHz and I ... antenna bandwidth microstrip. 218 0 obj /S /L /Type /StructElem << /K [ 12 ] /Type /StructElem >> /P 810 0 R >> endobj /P 430 0 R >> /P 119 0 R /S /P << /Pg 103 0 R 126 0 obj >> << >> >> 197 0 obj 222 0 obj /K [ 21 ] 780 0 obj >> /Type /StructElem /P 205 0 R /P 338 0 R /Pg 30 0 R /S /TD /Pg 111 0 R /Pg 89 0 R endobj /P 119 0 R 239 0 obj << 800 0 obj >> /P 828 0 R endobj endobj /K 116 endobj /P 624 0 R << << /P 119 0 R /S /TD /P 740 0 R /S /TD /Type /StructElem /S /Figure endobj 339 0 obj >> 1. vote. << /S /P /Pg 69 0 R << >> /K [ 439 0 R 440 0 R ] /K [ 36 ] 271 0 obj 456 0 obj 531 0 obj /K [ 344 0 R ] /S /TD /K [ 716 0 R ] /K [ 55 ] endobj /S /TD /P 119 0 R /K [ 340 0 R ] c) Cylindrical Three l-shape slots are introduced in antenna for size reduction and to supply multiband characteristics to realize bandwidth enhancement. /S /LI /P 417 0 R /P 119 0 R >> >> >> /S /P /Type /StructElem /S /InlineShape << << /Pg 96 0 R >> /Pg 30 0 R /P 119 0 R /K [ 56 ] >> 364 0 obj >> endobj /P 737 0 R 316 0 obj /S /TD /ProcSet [ /PDF /Text /ImageB /ImageC /ImageI ] /Pg 30 0 R /Pg 69 0 R /Pg 111 0 R << /P 392 0 R /S /P /Pg 3 0 R /P 119 0 R endobj >> endobj endobj endobj endobj 436 0 obj /S /P endobj /Type /StructElem /Type /StructElem /K [ 46 ] /K 1 /Pg 30 0 R /K [ 675 0 R 678 0 R 680 0 R 682 0 R 684 0 R 686 0 R 688 0 R ] 461 0 obj endobj /S /P 817 0 obj >> /Pg 30 0 R /S /P 164 0 obj /Pg 69 0 R /P 807 0 R endobj >> /K [ 25 ] /Type /StructElem >> /P 119 0 R /S /P /K [ 1 ] 818 0 obj >> /Type /StructElem /P 279 0 R >> << /K [ 71 ] /S /P << >> 267 0 obj >> endobj /Type /StructElem /P 319 0 R 551 0 obj /K [ 33 ] /Type /StructElem 343 0 obj endobj /Alt () /P 383 0 R endobj /S /P /Pg 30 0 R << >> /K [ 67 ] /K [ 16 ] endobj >> /Type /StructElem /S /Span >> /K [ ] >> 558 0 obj /S /InlineShape /Type /StructElem 820 0 obj /Pg 96 0 R /Type /StructElem /P 830 0 R >> /Type /StructElem /QuickPDFF9953a9ff 37 0 R 806 0 obj /S /TR endobj 376 0 obj /P 198 0 R /P 119 0 R /K [ 201 0 R ] << >> 212 0 obj << /Diagram /Figure /S /P 153 0 obj /S /Table << Antenna Measurements. endobj endobj /Type /StructElem endobj /Pg 3 0 R /P 119 0 R >> /K [ 1 ] /K [ 21 ] >> endobj /Pg 69 0 R /S /Span /Pg 103 0 R /Pg 103 0 R >> >> /K 36 /S /P endobj >> >> endobj endobj /P 718 0 R /K [ 228 0 R ] << << >> /S /P /S /InlineShape ��뙞j�Q t)kvFr>�U*XQt����1�Լ��r�6��f�g% ���n��n�Y��B|dC�F�a�~����59��>8���Y�]UMi��)JD�A��=Y�/Ę�:�j�d4���JO�JT�ە4�M`�ޠW`i���IԦ)�YC�Kތ�B���}�fYM�8�ۇ�V�$r��u�-^ ����gv)o�!�B ��IȺ� ��:�9� �Xc(8���*t�!�>F����I����t��)6���`�@uK ��b]�Z2��ޠ����R!CGA,k�[֗��C����ۤG�H�jQU1si�Y�l�X�5w�)�Ļ&e^��4�N�����Zx�����KLA�H�r�bHE \�������q��2y��o8����EV+�z����ˋ�gߝ. /Type /StructElem /Type /StructElem /Type /StructElem /Type /StructElem /Type /StructElem << /K 50 /K [ 427 0 R ] endobj /Pg 103 0 R /P 488 0 R /Alt () /P 434 0 R >> /S /P >> /Type /StructElem /S /L /S /P << /Pg 30 0 R /P 287 0 R endobj 340 0 obj /K 52 >> /Type /StructElem /K [ 7 ] endobj 349 0 obj >> 813 0 obj >> endobj >> /Type /StructElem >> /K [ 289 0 R 290 0 R ] >> /K [ 97 ] /Type /StructElem /K [ 96 ] /Pg 111 0 R << /S /TD /K [ 187 0 R ] << 411 0 obj >> endobj /Type /StructElem /P 119 0 R 822 0 obj >> /Pg 111 0 R << /P 186 0 R /Pg 111 0 R /P 119 0 R /Pg 3 0 R << >> /Type /StructElem /P 410 0 R /S /TR << /Pg 96 0 R 270 0 obj /P 779 0 R /S /InlineShape /Alt () endobj << << << << 380 0 obj << /K [ 100 ] 370 0 obj When the antenna is excited, the waves generated within the di-electric undergo reflections and the energyis radiated from the edges of the metal patch,which is very low. /Type /StructElem /K [ 25 ] << /Pg 69 0 R << /Type /StructElem /Pg 30 0 R endobj /S /InlineShape >> endobj 243 0 obj endobj /S /LI /K [ 701 0 R ] >> 790 0 obj 662 0 obj << /P 119 0 R << 163 0 obj << /P 137 0 R >> 620 0 obj >> /P 119 0 R /Pg 30 0 R >> << << /Type /StructElem /Type /StructElem /P 137 0 R /Pg 30 0 R >> << >> /Pg 96 0 R /K [ 41 ] << endobj /S /P /P 674 0 R /Pg 69 0 R << /Pg 30 0 R Its having some disadvantages like narrow band and low gain. << 189 0 obj /P 827 0 R 359 0 obj /Pg 69 0 R /S /P 440 0 obj /Pg 3 0 R >> /Pg 30 0 R 697 0 obj 329 0 obj /P 746 0 R /Pg 30 0 R /Pg 69 0 R /Type /StructElem 152 0 obj Next, some feed modeling techniques are discussed. 447 0 obj >> /Pg 111 0 R >> >> /K [ 26 ] << << /Pg 30 0 R /Type /StructElem /K [ 803 0 R ] /S /P >> /Type /StructElem endobj /K [ 232 0 R ] endobj endobj /S /P /K [ 328 0 R ] /Pg 30 0 R /S /Span << /Type /StructElem /Pg 30 0 R /S /P >> /Pg 30 0 R << 520 0 obj /S /TD << /Type /StructElem endobj /K [ 672 0 R ] endobj endobj << /Pg 103 0 R << /S /P << << /Type /StructElem /Type /StructElem /K [ 36 ] << >> >> endobj endobj /Type /StructElem /P 484 0 R /P 765 0 R /S /TD /K [ 27 ] /S /LI /P 119 0 R /Pg 30 0 R /K [ 43 ] /Type /StructElem /Type /StructElem 488 0 obj /QuickPDFF3ff07c44 44 0 R 374 0 obj /Pg 30 0 R << << << /P 744 0 R /Pg 69 0 R /P 206 0 R /Worksheet /Part 650 0 obj /Pg 111 0 R /Pg 30 0 R endobj >> /P 807 0 R 310 0 obj /P 119 0 R /P 513 0 R 332 0 obj endobj << /Pg 30 0 R >> << /S /P endobj /S /P /P 794 0 R endobj >> << 177 0 obj /P 675 0 R >> << << /P 119 0 R /P 461 0 R << endobj /S /P /S /TD /Pg 111 0 R << /Type /StructElem /Pg 69 0 R /K [ 336 0 R ] endobj /S /LBody >> endobj /P 669 0 R /P 174 0 R /Type /StructElem /P 758 0 R /P 119 0 R /K [ 532 0 R ] /K [ 4 ] /P 119 0 R /K [ 264 0 R ] /S /P /P 308 0 R endobj >> /K [ 285 0 R 286 0 R ] /S /InlineShape endobj << /S /P endobj >> /Pg 30 0 R /S /P >> >> endobj << /P 119 0 R /K [ 21 ] << << /Pg 69 0 R 144 0 obj 690 0 obj endobj /K 64 342 0 obj /Type /StructElem /S /P >> /P 527 0 R endobj /MediaBox [ 0 0 595.32 841.92 ] /P 355 0 R /F1 5 0 R 756 0 obj /Pg 103 0 R /P 379 0 R endobj /K [ 35 ] << >> /P 621 0 R /Type /StructElem /K [ 743 0 R ] /Workbook /Document << endobj /S /P << /Type /StructElem << /Pg 3 0 R /Pg 111 0 R << /S /Span endobj endobj /S /L /Type /StructElem << /Pg 69 0 R /P 119 0 R /S /P << /S /InlineShape /P 363 0 R /S /TD /P 383 0 R /P 119 0 R /Pg 30 0 R 591 0 obj >> << /P 276 0 R /P 262 0 R 516 0 obj /Type /StructElem /P 188 0 R /S /TR 117 0 obj endobj endobj endobj Types of essay definition. endobj /K [ 380 0 R 381 0 R ] << /P 613 0 R If the dielectric constant of the material is not known, you can choose to put in the velocity of propagation of the signal instead. endobj /Type /StructElem /P 225 0 R /K [ 458 0 R 459 0 R 460 0 R ] /K [ 348 0 R ] /Type /StructElem 722 0 obj /Pg 111 0 R /S /LBody << >> A metal patch mounted on a ground level with a dielectric material in-between constitutes a Microstrip or Patch Antenna. << /Type /StructElem /Type /StructElem /S /P /P 465 0 R /K [ 304 0 R ] /S /TD endobj 459 0 obj /K [ 27 ] endobj endobj 678 0 obj /S /LI /K [ 26 ] /S /P >> << /S /Span 387 0 obj /Type /StructElem << /Type /StructElem << /K 119 /S /InlineShape >> endobj endobj >> >> /S /P /Type /StructElem 1. endobj /P 119 0 R /S /Table /P 119 0 R /S /P /P 119 0 R endobj /S /P /K 31 endobj /P 765 0 R /S /P /P 119 0 R /S /Span >> /P 119 0 R 433 0 obj /P 834 0 R /Pg 96 0 R >> endobj endobj /Type /StructElem Also called “patch antennas” One of the most useful antennas at microwave frequencies (f > 1 GHz). /K 92 731 0 obj /Length 8510 450 0 obj >> 280 0 obj /P 119 0 R /P 654 0 R /S /Figure /K [ 757 0 R ] /P 276 0 R >> /S /P 208 0 obj /S /P /K [ 4 ] /K [ 305 0 R 306 0 R ] endobj << /Pg 111 0 R /Pg 30 0 R 406 0 R 405 0 R 409 0 R 408 0 R 411 0 R 414 0 R 412 0 R 415 0 R 413 0 R ] /P 674 0 R endobj /P 827 0 R /K [ 681 0 R ] endobj /S /P Certification contest to get free Certificate of Merit other side able to increase operating. 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On Academia.edu for free … microstrip patch antennas are renowned as patch antennas especially for!