... 功率谱密度 power spectral density 功率谱法 power spectral method 功率谱；能谱 power spectrum ...
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the cross-power-spectral method 互功率谱法
AR power spectral estimate method AR谱分析方法
The effects of electrical stimulations to madian and sciatic nerves on heart rate (HR) and blood pressure (BP)were studied with HR power spectral method.
用心率功率谱分析方法观察了不同频率电刺激大鼠躯体神经对心率及血压的影响机理。
The random rail roughness samples are yielded using random numerical method and power spectral density function.
采用随机数值模拟方法和功率谱密度函数生成随机轨道粗糙度。
The calculation results using simulated and measured irregularity indicate that the power spectral density function and the simulated method used here can reflect true condition of rail.
同时，采用模拟与实测两种不平顺样本的计算结果表明，本文采用功率谱密度函数的模拟方法可以基本反映轨道的实际不平顺情况。
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