雷达回波信号中，除幅度、相位和多普勒频移外，还存在第四特征——极化信息。
Besides amplitude, phase and Doppler frequency, polarimetric information is the fourth characteristic in the radar echo.
介绍基于最低阶反对称板波激励、扫频幅度相位显示的复合材料粘结质量评价的新方法。
Descriptions are made of a new instrument based on the lowest order asymmetric plate wave excitation and swept frequency amplitude phase display.
研究信号检测算法的FPGA 实现，获取信号的频率，幅度，相位等参数。
Researching the implementation of signal detection based on FPGA and acquiring the parameter of IF signal, such as frequency, amplitude and phase.
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