The invention discloses an implementation method of a frequency-frequency plane energy distribution map. The method comprises the steps that firstly, signals are subjected to time-frequency decomposition through frequency slice wavelet transformation, a time-frequency decomposition matrix of the signals is obtained, then all transformation matrix elements are subjected to modulus calculation, modules of the matrix elements are used as amplitude values of the signals at a time-frequency point, and accordingly a time-frequency amplitude value matrix of the signals is obtained; then for the time-frequency space, a time-frequency amplitude value sequence corresponding to each frequency component calculated on the time-frequency space is subjected to Fourier transformation, so that a frequencyspectrum sequence corresponding to each time-frequency amplitude value sequence of the corresponding frequency component is acquired; finally a frequency-frequency plane energy distribution matrix ofthe signals is formed by the frequency spectrum sequences of the time-frequency amplitude values of all the frequency component in the time-frequency space, the frequency-frequency plane energy distribution matrix is projected to two-dimensional and three-dimensional chromaticity diagrams in a frequency-frequency-value mode, and the frequency-frequency plane energy distribution map is obtained. The implementation method of the frequency-frequency plane energy distribution map can be applied to extraction of modulation and repetitive shock characteristics in the signals.