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Technical Committee on Antennas and Propagation (AP) (Searched in: 2007)
Search Results: Keywords 'from:2007-04-19 to:2007-04-19'
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2007-04-19 10:00 |
Hyogo | Kwansei Gakuin Univ. | Effects of the baffle height on radiation power in a two-dimensional waveguide-slot array antenna Takehito Suzuki, Jiro Hirokawa, Makoto Ando (Tokyo Tech)  AP2007-1 |
A co-phase feed or alternating phase feed slotted waveguide array with baffles is analyzed by the spectral domain approa... [more] | AP2007-1 pp.1-6 |
| AP | 2007-04-19 10:25 |
Hyogo | Kwansei Gakuin Univ. | Highly Accurate Array Design of Millimeter-Wave Microstrip Comb-Line Antenna Composed of Inclined-Polarization Elements Takeshi Okunaga, Takaaki Fujita (Pillar), Kunio Sakakibara, Yuichi Kashino, Yuki Hayashi (NIT), Hitoshi Kanzaki, Teruyuki Tanigaki (Pillar), Nobuyoshi Kikuma, Hiroshi Hirayama (NIT) AP2007-2 |
In the design of millimeter-wave microstrip comb line antenna with traveling-wave excitation, various radiation patterns... [more] | AP2007-2 pp.7-12 |
| AP | 2007-04-19 10:50 |
Hyogo | Kwansei Gakuin Univ. | Performance investigation of Millimeter-Wave Microstrip Comb-Line Antenna in Variation of substrate permitivity and antenna dimensions Takaaki Fujita, Takeshi Okunaga (Pillar), Kunio Sakakibara, Yuichi Kashino, Yuki Hayashi (ＮＩＴ), Hitoshi Kanzaki, Teruyuki Tanigaki (Pillar), Nobuyoshi Kikuma, Hiroshi Hirayama (ＮＩＴ) AP2007-3 |
[more] | AP2007-3 pp.13-18 |
| AP | 2007-04-19 11:15 |
Hyogo | Kwansei Gakuin Univ. | Variable Phase Shifter Adopting Waffle-Iron Shaped 2-Dimensioal Waveguide Hideki Kirino (Panasonic Shikoku Elec.,Co.,Ltd.), Koichi Ogawa, Takeshi Ohno (Matsushita Electric Industrial Co.,Ltd.) AP2007-4 |
A variable phase shifter adopting a type of waffle-iron shaped 2-dimensional waveguide comprising quarter wavelength rod... [more] | AP2007-4 pp.19-24 |
| AP | 2007-04-19 13:05 |
Hyogo | Kwansei Gakuin Univ. | Effect of Vertical Beam Shaping for Base Station Antenna in Mobile Communication System
-- Optimization with Genetic Algorithm -- Junpei Mizuno, Tetsuro Imai (NTTDoCoMo) AP2007-5 |
In mobile communication system using cellular, an ideal vertical pattern of base station antenna is supposed that the pa... [more] | AP2007-5 pp.25-30 |
| AP | 2007-04-19 13:30 |
Hyogo | Kwansei Gakuin Univ. | An analysis of propagation loss characteristic for inter-vehicle communications in non-line of sight interactions using ray-tracing technique Toshihiro Tango, Hisato Iwai (Doshisha Univ.), Yuichi Murakami (AISIN SEIKI), Kunihiko Sasaki (DENSO), Tetsuo Horimatsu (FUJITSU) AP2007-6 |
Assuming inter-vehicle radio communication systems where transmitters and receivers are located close to the ground leve... [more] | AP2007-6 pp.31-36 |
| AP | 2007-04-19 13:55 |
Hyogo | Kwansei Gakuin Univ. | Measurements of Path Shadowing Probability using a High Resolution Channel Sounder Ippei Kashiwagi, Tokio Taga (Kwansei Gakuin Univ.), Tetsuro Imai (NTTDoCoMo) AP2007-7 |
Measurement results of path shadowing probability in indoor environments using a high resolution channel sounder are rep... [more] | AP2007-7 pp.37-41 |
| AP | 2007-04-19 14:20 |
Hyogo | Kwansei Gakuin Univ. | Prediction for Characteristic of Direction of Arrival in UHF-TV band Indoor Propagation Environment (II)
-- Indoor Environmental Model of Living Space in Residential Building and Received Performance of a Switched -Stay Directional Antenna Diversity -- Tokio Taga (Kwansei Gakuin Univ.) AP2007-8 |
For performance evaluation of an UHF-TV band receiving antenna in indoor use, it is necessary to know the characteristic... [more] | AP2007-8 pp.43-48 |
| AP | 2007-04-19 14:55 |
Hyogo | Kwansei Gakuin Univ. | Electrical Volume of Small Antenna
-- Current Distribution and Equivalent Sphere Radius -- Hiroyuki Arai (Yokohama Natl. Univ.) AP2007-9 |
This report proposes an equivalent radius of Chu’s sphere by multiplying the maximum current strength normalized by feed... [more] | AP2007-9 pp.49-52 |
| AP | 2007-04-19 15:20 |
Hyogo | Kwansei Gakuin Univ. | The characteristics of traveling wave small antennas with resistive loading Masahiro Yamamoto (Osaka Electro-Communication Univ.), Masaru Tsunasaki (Osaka Gas), Masanobu Kominami (Osaka Electro-Communication Univ.) AP2007-10 |
Generally, a traveling wave antenna uses the longer element by several wavelengths than the using wavelength. However, b... [more] | AP2007-10 pp.53-58 |
| AP | 2007-04-19 15:45 |
Hyogo | Kwansei Gakuin Univ. | Reflectarray using mushroom structure with variable via position Takeshi Miyoshi, Hiroyuki Deguchi, Mikio Tsuji (Doushisha Univ.) AP2007-11 |
[more] | AP2007-11 pp.59-63 |
| AP | 2007-04-19 16:20 |
Hyogo | Kwansei Gakuin Univ. | [Special Talk]
Information-theoretically secure cryptographic techniques based on radio propagation characteristics Hideichi Sasaoka (Doshisya Univ.) AP2007-12 |
As a countermeasure for the risk to eavesdrop by intercept a wireless communication, it is usual to apply the cryptograp... [more] | AP2007-12 pp.65-70 |
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