✦ LIBER ✦

A circularly polarized patch-loaded square-slot antenna

✍ Scribed by Kin-Lu Wong; Jian-Yi Wu; Chun-Kun Wu

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 116 KB
Volume: 23
Category: Article
ISSN: 0895-2477
DOI: 10.1002/(sici)1098-2760(19991220)23:6<363::aid-mop13>3.0.co;2-x

No coin nor oath required. For personal study only.

✦ Synopsis

The contrawound toroidal helix antenna with constant current is examined; it has an omnidirectional pattern in the toroid plane. Radiation resistance is deri¨ed for the dipole mode, and results are ¨alidated by moment-method calculations. The radiation Qs of these antennas are greater than one million, making them unsuitable as dipole mode radiators. Ratios of loop-mode to dipole-mode radiation resistances range from se¨eral hundred to large ¨alues.

📜 SIMILAR VOLUMES

Circularly polarized square microstrip a

Circularly polarized square microstrip antenna using an inclined asymmetric coupling slot

✍ Chih-Yu Huang 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 133 KB

L-Shaped probe-feed circularly polarized

L-Shaped probe-feed circularly polarized microstrip patch antenna with a cross slot

✍ W. K. Lo; J.-L. Hu; C. H. Chan; K. M. Luk 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 118 KB 👁 1 views

Figure 10 Electric field, -polarized, backscattered from a sinusoidally deformed DCR with p s 0.1. Dashed line: h s 0; solid line: h s 0.2 tive or destructive way, thus justifying the oscillations present in Figure 10. As a final observation, we note that, by increasing the DCR dimensions, the lobe

Dual slot-loaded compact microstrip patc

Dual slot-loaded compact microstrip patch antenna

✍ R. Bhattacharjee; B. Gupta; D. R. Poddar; S. K. Chowdhury 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 102 KB

Compact broadband circularly polarized s

Compact broadband circularly polarized square microstrip antenna

✍ Jian-Yi Wu; Chih-Yu Huang; Kin-Lu Wong 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 108 KB 👁 2 views

A new design for achie¨ing compact broadband circular ( ) polarization CP radiation of a square microstrip antenna is presented. The compactness of the microstrip antenna is easily obtained by inserting four slits of equal lengths at the patch edges, and broadband CP radiation is achie¨ed simply by

Compact circularly polarized triangular

Compact circularly polarized triangular microstrip antenna with y-shaped slot

✍ Kai-Ping Yang; Kin-Lu Wong; Jui-Han Lu 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 200 KB 👁 1 views

A no¨el compact circular polarization CP design of a single-feed equilateral-triangular microstrip antenna with a Y-shaped slot is presented. The Y-shaped slot is cut in the patch with its upper two arms facing either the triangle tip or the bottom side of the triangular patch. Results show that, wi

Broadband circularly polarized microstri

Broadband circularly polarized microstrip antenna with a chip-resistor loading

✍ Kin-Lu Wong; Gui-Bin Hsieh 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 159 KB 👁 1 views

Simply by loading the microstrip antenna at a suitable ( ) position using a single chip resistor, circular polarization CP radiation can be obtained with a single feed. In addition, this design can also pro¨ide an enhanced CP bandwidth. Results of the proposed CP design applied to circular and recta