最后，对相控阵天线的波束展宽和扫描问题进行了研究。
Finally, the beam broadening and scanning problems for the phased array antenna are studied.
在此基础上，对一维相控阵天线的波束展宽和扫描问题进行了研究。
On this basis, the problem for the beam broadening and scanning of the phased array antenna is studied.
相控阵雷达天线在进行宽带宽角扫描时，天线波束会“色散”，使得到的距离像展宽，从而降低了系统分辨率。
When phased array radar operates in wideband wide scan condition, the antenna beam is dispersed and thus the distance profile is broadened.
数字相控阵雷达宽带宽角扫描存在波束指向偏差和孔径渡越问题，导致信噪比降低，脉压主瓣展宽，距离分辨率下降。
The wide-band digital array radar (WDAR), which accomplishes the transform between digital data and analog signal in the radar array, is the trend of the development of the phased array rader.
数字相控阵雷达宽带宽角扫描存在波束指向偏差和孔径渡越问题，导致信噪比降低，脉压主瓣展宽，距离分辨率下降。
The wide-band digital array radar (WDAR), which accomplishes the transform between digital data and analog signal in the radar array, is the trend of the development of the phased array rader.
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