sinusoidal的例句大全

Some certain errors are existing for analyzing the sinusoidal signal of fundamental harmonic, non-integral harmonic and the decay quantity signal of direct current.

傅立叶算法在分析基波和非整次谐波以及直流衰减信号时，存在一定的误差。

Periodicity and pseudo-modulation when sampling sinusoidal Signals The periodicity and pseudo-modulation due to non-integral sampling of sinusoidal signal are analyzed.

正弦信号抽样的周期性与伪调制性。着重讨论连续信号采样过程中抽样定理对正弦信号的非整数抽样序列的周期性，伪调制性和调制周期的周期性。

The dynamic dilational properties and the dependences of interfacial dilational modulus, phase angle, elasticity and viscosity on the concentrations and the frequencies were explored using method: the surface tension response to sinusoidal area variations.

具体考察了其动态界面扩张性质及界面扩张参数（模量、相角、弹性、粘性）随表面活性剂体相浓度和工作频率的变化规律。

Packaging Transport packages Sinusoidal vibration test method at constant frequency

GB/T4857.7-1992包装运输包装件正弦定频振动试验方法

In this paper, the method of numerical calculation for measuring sinusoidal temperature by armoured thermocouple as well as its flow chart its proposed. The calculated results by computer is also presented.

本文提出铠装热电偶正弦温度测量传热数值计算的算法和框图，并介绍计算机计算结果。

In variable-frequency drives of AC motor, it needs to control the relevant variables to ensure three-phase equilibrium of the sinusoidal input current in order to keep the electromagnetic torque of AC motor constant.

异步电机的变频调速，需要控制相关变量，保证异步电机输入三相平衡的正弦电流，这样才会合成恒定的电磁转矩。

The new methods can rapidly and efficiently obtain the informations of a real sinusoidal signal's phase on time domain or frequency domain by zero-crossings or FFT transforming. The modified methods can extend the threshold SNR of frequency estimation, and it is easily implemented.

新的修改算法利用零交越或FFT变换，能快速有效地在时域或频域上得到实正弦信号的相位信息，改善了频率估计的SNR阈值，且便于工程实现。

Compared with diode uncontrollable rectifier and phased thyristor rectifier, PWM rectifier has the advantage of symmetrical sinusoidal AC current, unity power factor operation and two-way flow of energy.

与二极管不可控整流或相控晶闸管整流器相比，PWM整流器具有网侧电流对称正弦、单位功率因数运行、能量能够双向流动的优点。

The Extending of Two Most Basic Independent Integral Equations of Field Theory in Non sinusoidal State

非正弦周期状态下场论两个最基本的独立积分方程组的推广和电路规律

Time domain method of the sinusoidal signal phase difference estimation

正弦信号相位差估计的时域方法

Time-scale and Pitch Modification of Chinese Speech Based on Sinusoidal Model

基于正弦模型的汉语语音时长和音高的修正

In virtue of variation theory, boundary problem of magnetic field is changed into equivalent variable problem. Then the procedure of element analysis, discrete format and collective composition equation in sinusoidal and time-varying field are given.

从待解的磁场边值问题出发，利用变分原理将边值问题转化为等价的变分问题，给出了正弦时变场单元分析过程和离散格式以及最终的总体合成方程。

The definition of instantaneous reactive power in sinusoidal circuit is still a pending problem and should be studied further. The authors consider that the theory of instantaneous power should be studied on the basis of the original definitions of instantaneous active and reactive power.

针对研究近一个世纪还没有解决的瞬时无功功率界定与定义的问题，该文认为应从原始瞬时有功功率、瞬时无功功率界定来研究瞬时功率理论。

The second part is to design the sine wave networks circuits which is composed of sinusoidal current source array and switches, current to voltage converter ( I-V converter), two staged LPF, etc.

二是正弦波网络：主要包括正弦量化的电流源整列和开关网络，电流电压转换器，二阶低通滤波器；

The analysis results show that, meteorological factors have great influence on embankment thermal regime, in year circulation, the embankment boundary temperature vary as sinusoidal wave.

有限元分析表明，气象条件是影响路基温度场的重要因素，在年周期内路基边界处的温度仍然可按正弦曲线较好地加以拟合。

Considering the skin effect of rotor bar and magnetic field distribution, the rotor slot leakage reactance of different poles and loads is calculated by sinusoidal time-varying finite element method and energy method.

考虑转子导条集肤效应和磁场不同分布，采用正弦时变有限元法和能量法计算了不同极数下起动时和不同负载时的转子槽漏抗。

Brushless Slotless Sinusoidal Motor Used in Super Low Speed High Accuracy Servo System

超低速高精度伺服系统用无刷无槽正弦波电机

Digital Super Low Speed High Accuracy Servo System Based on REPM External-Rotor Slotless Brushless Sinusoidal Torque Motor

基于外转子式正弦波无槽无刷力矩电机的超低速高精度伺服系统

Based on special demands of super low speed high accuracy servo system, the thesis analyzes and explores the mathematical model, design method, key technology of brushless slotless sinusoidal motor.

根据超低速高精度伺服系统运行的特殊要求，文中对无槽无刷正弦波电机的数学模型、设计方法、关键技术等进行了分析探讨。

The principle, constitution and realization of aerospace digital super low speed high accuracy servo system based on direct torque control of rare earth permanent magnet external-rotor slotless brushless sinusoidal torque motor are analyzed and explored.

阐述了基于外转子稀土永磁正弦波无槽无刷力矩电机直接转矩控制的数字式超低速高精度伺服系统的工作原理、系统构成、控制策略和功能实现。