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Featured researches published by Kikuo Tsunoda.


Archive | 2007

Measurement of Automobile UWB Radar Cross Sections at Ka Band

Takehiko Kobayashi; Naoto Takahashi; Makoto Yoshikawa; Kikuo Tsunoda; Nobuyuki Tenno

Ultra-wideband (UWB) radar cross sections (RCS) of an automobile were measured in the frequency range from 22 to 29 GHz, with a view to obtaining information on the design of vehicular cruise control short-range radars. The measurements were made in a radio anechoic chamber using three transmitting and receiving polarization combinations (V-V, H-H, and +45° to −45°). A vector network analyzer was used in making the wideband measurements. The UWB RCSs were derived by integrating the receiving power from 22 to 29 GHz. It was found that the UWB RCS of the automobile varied as follows:


Archive | 1988

Dielectric resonator apparatus

Youhei Ishikawa; Kikuo Tsunoda; Toshiro Hiratsuka; Hirotsugu Abe


Archive | 2000

Dielectric waveguide resonator, dielectric waveguide filter, and method of adjusting the characteristics thereof

Shigeji Arakawa; Kikuo Tsunoda


Archive | 1985

Dielectric filter having impedance changing means coupling adjacent resonators

Youhei Ishikawa; Kikuo Tsunoda; Toshiro Hiratsuka


Archive | 2000

Duplexer and communication apparatus

Masayuki Atokawa; Kikuo Tsunoda


Archive | 2001

Frequency variable filter, antenna duplexer, and communication apparatus incorporating the same

Yasuo Yamada; Kikuo Tsunoda; Masayuki Atokawa; Hirofumi Miyamoto; Hajime Suemasa


Archive | 1985

INTERDIGITAL FILTER AND ITS MANUFACTURE

Toshiro Hiratsuka; Kazuyoshi Miyawaki; Kikuo Tsunoda; Sadao Yamashita


Electronics and Communications in Japan Part I-communications | 1992

Analysis of a planar inverted‐f antenna by spatial network method

Tokio Taga; Kikuo Tsunoda


Archive | 1985

Distributed constant type dielectric resonator

Toshiro Hiratsuka; Kikuo Tsunoda


Archive | 1988

Rod type dielectric resonating device with coupling plates

Youhei Ishikawa; Kikuo Tsunoda; Toshiro Hiratsuka; Hirotsugu Abe

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