Communications: directive radio wave systems and devices (e.g. – Return signal controls external device – Radar mounted on and controls land vehicle
Patent
1999-07-14
2000-10-24
Sotomayor, John B.
Communications: directive radio wave systems and devices (e.g.,
Return signal controls external device
Radar mounted on and controls land vehicle
342175, 343700MS, G01S 728, G01S 1393, H01Q 138
Patent
active
061374342
ABSTRACT:
A multibeam radar system includes a multibeam radar module having n (n is a natural number of at least 3) transmitting/receiving channels for transmitting high-frequency signals and receiving echo signals, and a radar circuit for detecting a distance up to an object which produces the echo signals and/or a relative speed of the object from a relationship between the high-frequency signals and the echo signals in the transmitting/receiving channels. The radar circuit includes a channel controller for selecting sets of m (m is a natural number smaller than n) adjacent transmitting/receiving channels sequentially to transmit the high-frequency signals and receive the echo signals in a high-azimuth-resolution mode. The channel controller may also select the transmitting/receiving channels sequentially one by one to transmit the high-frequency signals and receive the echo signals in a low-azimuth-resolution mode.
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Microstrip Patch Array with Multiple Beams, School of Electrical Engineering & Science, Royal Military College of Science, Swindon, U.K.; Authors: P.S. Hall and S.J. Vetterlein,.
Tohya Ken-I-Chi
Urabe Masanobu
Honda Giken Kogyo Kabushiki Kaisha
Sotomayor John B.
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