Liner frequency modulating signal, phase coded and frequency coded signal are detected and recognized from all kinds of signals.
从多种信号中检测识别线性调频信号、相位编码信号、频率编码信号。
The variation of chromatic dispersion induced delay time error of the true time delay line based on dispersive devices is investigated using an intensity-frequency modulating model.
利用强度频率混合调制模型研究了基于色散器件的光真延时线中色散导致的延时误差的变化规律。
A method for measuring the phase characteristics of ultrahigh frequency modulating light by optical phase shift is proposed. It has the properties of high precision and strong practicability.
提出采用光学移相办法测量超高频调制光相位特性的一种方法。它具有精度高、实用性强等特点。
A method for measuring the phase characteristics of ultrahigh frequency modulating light by optical phase shift is proposed.
提出采用光学移相办法测量超高频调制光相位特性的一种方法。
To enhance the performance of the filter in the digital system, the pre-emphasis filter in a digital frequency-modulating exciter which is based on FPGA is designed and realized.
为了提高数字系统中滤波器的性能，对基于FPGA的数字调频激励器中预加重滤波器进行了设计与实现。
To enhance the performance of the filter in the digital system, the pre-emphasis filter in a digital frequency-modulating exciter which is based on FPGA is designed and realized.
为了提高数字系统中滤波器的性能，对基于FPGA的数字调频激励器中预加重滤波器进行了设计与实现。
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