optical phase-difference radar 相差光雷达 ; 光相差雷达
optical phase difference radar 相位差光雷达
The difference is that radar depends on radio waves. These have long wavelengths and therefore bounce only off large things.
不同之处是雷达发出的是无线电波，这种波波长较长，反射体只能是大个物体。
The difference is that radar depends on radio waves.
区别在于雷达是基于无线电波。
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；
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