1) frequency domain analysis
频域分析
1.
Observatioln mentally interferihg in occupation females in their premenstrual syndrome and changes of their frequency domain analysis;
职业女性经前期心理干预与心率变异频域分析
2.
A frequency domain analysis of iterative learning control for repeated paths;
重复轨迹运动迭代学习控制的频域分析
3.
The system has relatively completed functions, which include R wave detecting and locating, HRV time domain analysis, periodic map and AR modeling frequency domain analysis and Lorenz scattered plot.
采用 Matlab建立了适合于临床和科研的、功能较为齐全的心率变异性 (HRV)分析系统 ,该系统包括 R波的提取与定位、HRV时域分析、频域分析的周期图与 AR模型分析法 ,以及非线性分析的散点图法 。
2) frequency-domain analysis
频域分析
1.
Short-term HRV including time-domain, frequency-domain analysis .
应用心率变异性时域、频域分析方法,分别评价其自主神经功能状态。
2.
This paper discuss the location of poles and zeros of network function and its instability,and the frequency-domain analysis of analysis of active RC network,emphasis two-orders low-pass negative-gain circuit,and the transient problem of one-order low pass circuit.
通过研讨网络函数的零点与极点分布及和稳定问题,以及有源RC网络的频域分析,着重讨论了二阶负增益低通电路,以及一阶低通电路的过渡过程等问题。
3.
It is pointed out that frequency-domain analysis is a necessary,beneficial and useful complement to time-domain analysis.
频域分析是时域分析的一种必要的、有益的补充,能够更好地指导我们的现场测试,帮助我们选择更好的安装方法。
3) frequency analysis
频域分析
1.
Frequency Analysis with its Application to Breakdown Diagnosis in Centrifugal Compressor
频域分析在离心式压缩机故障诊断中的应用
2.
The application of MATLAB is described in mechanical control engineering basis teaching using concrete examples of time analysis and frequency analysis in a contrasting way.
以时域分析和频域分析中的具体实例,通过对比的手法,说明了MATLAB在机械控制工程基础教学中的应用。
4) spectrum analysis
频域分析
1.
This new algorithm is based on the spectrum analysis instead of only sample errors and generalization of it is proved by sampling theorem.
根据小波理论提出一种基于频域分析的在线学习算法,并通过仿真试验对这种新的算法进行验证。
2.
The voice signals of 36 normal girls and 12 patients with light laryngeal disease are analysed,and the abnormal voice could not be detected in the spectrum analysis of the voice signals collected with low frequency.
对36例健康青年女性组和12例较轻程度喉病患者（低频采音4000Hz范围内无法检出）的嗓音信号进行频域分析，比较其高端相对信噪比，结论是频域分析中嗓音的高频采样可提高病态嗓音的检出率。
3.
Ultrasonic spectrum analysis is the ultrasonic testing technology which puts into use the spectrum analysis theory and approach.
超声波频域分析是把频域分析的理论和方法应用于超声检测的技术。
5) Frequency domain
频域分析
1.
Based on the PK?F method,an approach of three dimensional nonlinear flutter analysis in frequency domain is described herein,in which the effects of both structural and aeroelastic force nonlinearities have been taken into consideration.
在PK F法的基础上 ,考虑结构以及气动力随风速的非线性变化因素 ,提出了大跨度桥梁的三维非线性颤振频域分析方法 。
6) time-frequency domain analysis
时频域分析
1.
Displacement signal time-frequency domain analysis and quality judgment of aluminum alloy resistance spot welding;
铝合金点焊位移信号时频域分析与质量判定
补充资料：动态电路复频域分析
动态电路复频域分析
complex frequency-domain analysis of dynamic circuits
dongto}dlonlu卞uP一ny日fenx{动态电路复频域分析(eomplex frequeney-domain analysisof dynamie eireuits)用拉普拉斯变换方法分析动态电路。作为数学工具，拉普拉斯变换是一种积分变换，常用以求线性常系数微分方程和偏微分方程的解。线性非时变集总参数动态电路是用常系数线性常微分方程描述的，线性非时变分布参数电路是由相应的偏微分方程描述的。因而，对于这些电路可借助拉普拉斯变换方法进行分析。 拉普拉斯变换的定义拉普拉斯变换方法简称拉氏变换方法。拉氏变换可分为单边拉氏变换和双边拉氏变换。此处只介绍单边拉氏变换的定义。 设时间t的函数f(t)，当t
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参考词条