radar echo characteristic 雷达回波特征
acoustic echo channel characteristic 声回授通道特性
characteristic of echo 雷达回波特征
characteristic of radar echo 雷达回波特征
Objective To evaluate the histopathological basis which determines the sonograms echo characteristic of liver solid masses.
目的了解决定肝实性占位病变超声回声特性的病理组织学基础。
According to laser radar echo characteristic, the difference filter and the match filter were adopted. As a result, the SNR is advanced about 1.5 times.
根据三脉冲激光雷达回波信号的特点，对信号进行差分滤波和匹配滤波处理，信噪比提高约1.5倍；
Differences of echo characteristic between impulse radar and continuous wave radar are analyzed, and the potential of UWB impulse for Super-Low-Altitude target-detection is remarked.
分析了超宽带冲激脉冲雷达与连续波雷达的不同的回波特性，指出冲激脉冲雷达对超低空目标探测的潜在优势。
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