Spectral leakage caused by synchronous error in no-synchronous sampling is an important reason, which reduces the accuracy of spectral analysis and harmonic measurement.
采样不同步产生的同步误差是造成频谱泄漏和影响谐波分析准确性、检测精度的重要原因。
Further analysis based on the checking calculation and tests proved that corrosion fatigue is the main reason that causes leakage in the air flue.
基于校核结果的进一步分析和测试表明，腐蚀疲劳是汽化器漏水故障的主要原因。
First, the reason for spectrum leakage and its influence to DFT used in frequency analysis is introduced.
首先简要分析了频谱泄漏的成因和其对频率分析中dft算法的影响。
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