Through comparing several kinds of time-frequency distributions, CWD is consideredas a perfect distribution, which is very fit for time-frequency analysis with high resolution and can compress cross terms effectively.

• 通过几种二次型时频分布的对比分析,认为CWD在具有较强的时频聚集性的同时又较好的对交叉项进行了抑制,适合于进行爆破振动信号的时频分析。