1·AMI generated code, and for its power spectral density and time - domain waveform.
产生AM i码，并求其功率谱密度和时域波形。
2·The concept of "equivalent noisy power spectral density" is introduced in this paper.
文中提出等效噪声功率谱密度的概念。
3·Objective: To study the effects of heart rate on power spectral of electrocardiogram.
目的：研究心率对心电频谱的影响。
4·The matrix of power spectral density function of fluctuating wind load is established first.
首先建立了脉动风荷载的功率谱密度函数矩阵。
5·The methods of computation and realization of signal power spectral density are mainly discussed.
文中主要描述了信号功率谱的计算和实现方法。
6·A novel method was proposed based on the total pressure of pitot tube and power spectral density.
通过分析皮托管动压信号的方式，提出了一种基于功率谱密度分布的调节阀扰动信号分析新方法。
7·Power spectral density is an effective tool to evaluate random vibration in circulation environment.
功率谱密度是评价流通环境过程中随机振动的有效工具。
8·A high degree of relationship was found between the power spectral density and thermal response index (TRI).
功率谱密度值与时域指标体温反应指数(TRI)有极好的相关性。
9·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。
10·With increasing longitudinal distance, the velocity Power Spectral Density (PSD) peak shifted to lower frequencies.
随着流向距离的增大，速度功率谱(PSD)曲线呈现峰值向低频移动的现象。