一种基于DFT的瞬时测频算法，及及插值算法，最后由图形表示测频结果。 -Instantaneous frequency of the DFT-based algorithm, and the interpolation algorithm, by the graphical representation of the frequency measurement results.

利用瞬时测频接收机分别采用比相法、频率搜索法，编程实现对带内任意频率的测量。-The use of instantaneous frequency measurement receiver were used to achieve measurement of any frequency band than the phase method, frequency search method, programming.

测频接收机 用于接收雷达信号 雷达信号的接收 生成雷达的信号格式(Frequency measurement receiver is used to receive radar signal)