最后提出几个值得探索的研究方向,如:寻求一种新的适合分析非正弦窄脉冲的UWB系统的无线通信理论等。
Finally, several valuable research directions are put forward, such as seeking a new wireless communications theory adapted to analyze nonsinusoidal UWB impulse radio, etc.
文中指出了非正弦平均功率的计量标准丞待建立。
It indicated that the test standard of nonsinusoidal average power must be set up urgently.
单个的非正弦波脉冲没有测速能力,但一组这样的脉冲即可进行速度测量,并且速度分辨力由距离分辨力决定。
While the single nonsinusoidal radar impulse is not capable of measuring target velocity, a sequence of such pulses can be used to measure the velocity.
本文讨论了非正弦电磁波辐射所面临的部分问题。
This paper deals with some problems involved in nonsinusoidal electromagnetic waves radiation.
结果显示,当放大器的负载网络取不同参数值时,分别得到高q值的正弦输出电压和低q值的非正弦输出电压。
The results showed that the sinusoidal output voltage at high Q and non-sinusoidal output voltage at low Q were obtained respectively when the parameters of the load network got various.
结晶器非正弦振动形式增加结晶器振动的基本参数,突破结晶器正弦振动参数的取值限度。
The development of non-sinusoidal oscillation of mould expands the basic parameters of mould oscillation, and surmounts the limit of oscillating parameters range for sinusoidal oscillation .
本文提出的非正弦网络功率的分析方法是将视在功率分解成四个分量:有功功率、分散功率、无功功率、外加视在功率。
An analytic method of power in nonsinusoidal networks is suggested for the apparent power decomposition into four components, active power, scattered power, reactive power, and forced apparent power.
在一些电路教材中常把带滤波器的整流电路作为一个实例,用以讲述用傅立叶级数的谐波分析方法来求解非正弦电路。
In some circuit textbooks the rectifier circuit with the filter has been used as an example to illustrate the harmonic analysis of nonsinusoidal circuit adopted Fourier series.
该文论述了负载电流为非正弦波时功率因数测量的新方法。
This paper presents a new method for measuring the power factor in nonsinusoidal load current.
设计了基于虚拟仪器的实验项目,以完成非正弦周期电路章节的实践教学,并介绍了实验项目设计方法、实验内容和实验方。
This paper introduces the realization of experiments in nonsinusoidal periodic circuits which are difficult to be understanded by students and examined by experiments with equipments.
非正弦电路中,有功功率定义已被公认,无功功率的定义却一直还没有定论。
The active power definition is well accepted, but the reactive power definition is still questionable in non-sinusoidal condition.
简述了几种常用的无功功率测量算法,对非正弦电路无功功率理论及其无功功率测量算法进行了研究。
This paper simply described several algorithms of reactive power, and investigated reactive power theory of the non-sinusoidal electric circuit and its algorithm of measurement.
分析了非正弦周期电压作用下的RC串联电路(线性、非时变电路),得到了暂态响应分量和稳态响应分量。
The RC series circuit (linear time - invariant circuit)excited by the non - sine periodic voltage is analysed, both the transient response and the steady - state response of this circuit are obtained.
电机传动系统大都采用变频器供电,输出的是非正弦电压、电流,其在电机中产生非正弦磁场。
The motor drive system almost all use inverter supply power, which output non-sinusoidal voltage-current and produce non-sinusoidal electromagnetic field.
建立了椭圆齿轮驱动的结晶器非正弦振动系统动力学模型,推导了动力学方程。
The dynamics model of non-sinusoidal vibration system of crystallization utensil driven by elliptical gears was established, and its dynamics equation was derived.
介绍了非正弦周期电流电路的平均功率测量原理。
The measurement principle of the average power for non sinusoidal period current circuit is introduced in this paper.
探讨了常见非圆弧曲线的加工方法,并以椭圆及正弦曲线为例,叙述了在使用宏指令加工过程中坐标值的数据转换及程序编制。
The way to process non-arc curves was discussed. Illustrating ellipse and sinusoid curves, the coordinate conversion and programming in the process of using macro command were stated.
由功率四边形进一步确立了非正弦交流电路中的电流四边形和导纳四边形,以及它们和功率四边形的相似关系。
Further, the current quadrilateral and admittance quadrilateral, as well as their similarity to the power quadrilateral in non-sinusoidal alternating-current circuits were derived.
谐波理论分析对于非正弦交流电路的研究具有重要的理论和实际意义。
The analysis of modulation wave theory has very important theoretical and actual meaning for studying non sine alternating current.
研究非正弦电磁波在损耗介质中传播的理论,对分析隐身技术中脉冲波的吸收等问题有理论指导意义。
Studying the propagation of nonsinusoidal wave in a dissipative medium is theoretically important for analyzing the problems on absorbed pulse waves in hidden techniques.
该算法考虑了RL电路中的暂态电流,假设暂态电流含有一个按正弦规律变化的周期分量和一个按指数规律变化的非周期分量。
RL circuit is taken into consideration, in which the transient current signal includes a period component varying in sinusoidal waveform and a non-period component varying in exponential waveform.
给出了一种用于连铸生产的非正弦振动波形,并对其波形参数和振动工艺参数进行了讨论。
A waveform of non sinusoidal oscillation for continuous casting is given. The relations between the waveform parameters and oscillation process parameters are discussed.
非正弦电路的无功测量是当前电力测量研究的热点。
Reactive power measurement of non-sinusoidal circuit is the hot-spot research in Electric power System.
应用结晶器非正弦振动技术可以降低结晶器摩擦阻力,减少粘结性漏钢,同时大幅度降低高拉速时的结晶器振动频率。
The non-sinuous oscillation of the mold is used to reduce the mold friction force and stick type breakout, and to lower the oscillation frequency for high speed casting.
对非正弦变化的负载阻力矩的平衡也可应用本设计的优化方法,有推广价值。
The optimization design method can also be used in the balance of non-sinusoidal changing load resistance moment and has important value of application popularized.
以通用瞬时无功功率理论为基础,阐述了电压不对称和非正弦条件时的有功和无功电流的物理意义。
The interpretation of active and reactive currents in non-sinusoidal and unbalanced three-phase four-wire systems is given based on the generalized instantaneous reactive power theory.
即使在三相正弦激励的作用下,三相线电流也将发生非正弦畸变,产生谐波电流。
Even if it worked with three-phase sine, three-phase line current would have non-sine aberrance and produce harmonic wave-electricity.
然后从理论上研究了电流传感器测量误差和非正弦磁场分布对永磁同步电机转矩波动的影响。
Then, the effects of current sensor measurement error and non-sinusoidal magnetic field distribution on motor torque fluctuation are theoretically investigated.
然后从理论上研究了电流传感器测量误差和非正弦磁场分布对永磁同步电机转矩波动的影响。
Then, the effects of current sensor measurement error and non-sinusoidal magnetic field distribution on motor torque fluctuation are theoretically investigated.
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