Broadband noise frequency modulation signal with high precision is commonly used in modern electronic interference system.

宽带高精度的噪声调频信号在现代电子干扰系统中应用广泛。

youdao

The arithmetic formulas for sine wave, linear frequency modulation signal, V-style frequency modulation signal, white noise signal, reverberation signal and echo signal are given by their definition.

根据信号类型的定义，给出了正弦信号、线性调频信号、V型调频信号、白噪声、混响和回波信号的合成公式。

youdao

According to GPS signal structure and modulation characteristics, a GPS intermediate frequency digital signal is simulated under the condition of noise environment.

根据GPS信号的结构和调制特点，加上环境噪声，模拟出GPS中频数字信号。

youdao