In this paper, we present a new frequency modulation function on the basis of features of traditional non-linear frequency modulation signal.
本文将非线性调频技术引入引信探测体制中，利用线性调频波作为调制信号对射频信号进行二次调频。
On the basis of the principle of range-Doppler coupling of linear frequency modulation signal, a new method of radial velocity estimation for high coupling coefficient is presented.
本文在分析了线性调频信号距离—多普勒耦合原理的基础上，提出了一种高耦合系数条件下径向速度估计的新方法。
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。
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