Estimation of Received Signal Characteristics for Millimeter Wave Car Radar (Special Issue on Millimeter-wave Short-range Application Systems Technology)
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概要
- 論文の詳細を見る
This paper presents a method for simply estimating characteristics of signals received by a millimeter wave car radar. In this method, the substitution of a radar target with a set of scattering points is introduced to take account of the phenomenon that only a part of the target is irradiated with the radio wave from the radar antenna with a sharp beam; the phenomenon is peculiar to the car radar which operates in a compact range. The positions of these scattering points and the RCS values for the scattering points are appropriately deter-mined on the basis of a measured RCS image for the target. The RCS image means a spatial distribution of RCS values on the surface of the target. In addition, influence of the ground, which is a dominant clutter in car radar environments, and characteristics of the car radar hardware can be included in the estimation method. The estimated characteristics of the signal received by the car radar are compared with the measured ones under typical cases in the car radar environments. The comparison verifies not only that the received signal characteristics are well estimated even when the range is rather short but also that the substitution of the target with scattering points is valid. The proposed method can realize the estimation of the received signal characteristics. Furthermore, the method can be developed into a computer simulation for evaluating the target detection performance of the car radar.
- 社団法人電子情報通信学会の論文
- 1996-12-25
著者
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Nishikawa K
Toyota Central R&d Labs Inc.
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Nishikawa Kunitoshi
Toyota Central R&d Laboratories
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Nishikawa Kunitoshi
Toyota Central Research & Development Laboratories Inc.
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Asano Y
Kansai University
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Ohshima Shigeki
Toyota Central Research And Development Laboratories
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ASANO Yoshikazu
Toyota Central Research and Development Labs.
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