摘要
讨论了在时域分析、频域分析、相位谱分析及失真度测量中不同采样频率引起的误差,提出了采样频率的合理选择方法。
The errors introduced by different sampling frequences in analysis in time do - main, frequency domain and in distortion factor measurement are discussed and the method to select the reasonable sampling frequency is presented.
出处
《世界地震工程》
CSCD
1998年第3期63-67,共5页
World Earthquake Engineering
关键词
采样频率
合理选择
地震工程
振动分析
Sampling frequency Time domain Frequency domain Phase spectrum Distortion factor Analysis Error