这一方法为周期信号频谱的准确测量提供了可能。
This makes it possible to measure period signal spectrum exactly.
介绍了“周期信号频谱分析演示CAI软件”的设计思路和编程方法。
This paper introduces the designing way and the programming methods of the CAI software for periodic signal spectrum analysis and demo .
讨论了周期信号取样的时域频域特性、非同步取样引起的截断误差和频谱泄漏误差。
The time-frequency domain sampling characteristics of periodic signal, the truncation error and the spectrum leakage error caused by asynchronous sampling are discussed in detail.
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