以按空间频谱展开方法，处理任意光束的非线性谐波转换过程。
For the nonlinear harmonic conversion of real laser beams, we have developed a theory by applying the spatial spectrum analysis to the nonlinear coupling.
电力变流器和其他非线性负荷向电力系统“注入”谐波电流，引起一系列问题。
The power converters and other nonlinear loads "inject" the harmonic current into the power systems and cause a series of problems.
认为谐波源来自系统侧，除了非线性负荷外，主要是由大型电力变压器激磁电流所造成。
The harmonic comes from power system side, which is caused mainly by exciting current of the large capacity transformer besides the nonlinear loads.
计量误差考虑了电度表电压线圈和电流线圈在不同的谐波次数以及谐波大小时的非线性效应。
The metering error considers the non linear effect of the voltage coil and current coil in watt hour meter under different order of harmonics and different distortion degree of input waveform.
由于电网中非线性设备的使用日益增多，所产生的高次谐波电流大量注入电力线路中，使得电网电压、电流波形发生畸变。
Since more and more nonlinear equipments have been used in the power supply network, the generated high harmonics current leads to waveform distortion of voltage and current in the supply network.
对于非线性元件的输出为单值而输入有多值的情况，令输出为正弦信号，输入包含有各次谐波。
If the nonlinear element has a single output and multiple input values, the output signal is taken to be sinusoidal and the inputs contain harmonics.
电网中，由非线性和不平衡负载引起的不平衡和谐波电流将造成谐波和不平衡电压。
In an electrical network, unbalanced and harmonic currents generated by nonlinear and unbalanced loads can cause harmonics and unbalanced voltage.
说明系统运动非线性产生的分数次谐波，是诱发噪声的直接原因。
The result shows that nonlinearity of the system induces the fractional harmonic which roots in the noise.
为实现对非线性负载的谐波补偿和电压调节功能，提出了一种混合型并联有源滤波器。
In order to realize the functions of harmonic compensation and voltage regulation for nonlinear loads, a hybrid shunt active power filter is proposed.
例如，电弧炉就是一种非线性负荷，因为加上正弦电压后，它将形成非正弦电流(大量谐波)。
For example, an arc furnace is nonlinear since it will draw a no sinusoidal current (rich in harmonic's) when a sinusoidal voltage is applied.
本文用沃尔·特拉级数方法研究了单相变压器非线性激磁特性对电路谐波的作用。
In this paper, Volterra series analysis is applied to investigate the harmonics in a circuit containing single-phase transformer with nonlinear characteristics.
针对并联型有源滤波器提出了一种电流控制新方式，与传统控制方式不同，该方式不需要检测非线性负载中的谐波及无功电流。
A new equivalence principle of current control for shunt active power filters is introduced, which having no use for measurement of harmonic and reactive currents of nonlinear loads.
当具有随机相角的非线性负荷投入系统运行时，应考虑谐波叠加的问题。
When nonlinear loads are put into operation at random phase Angle in power system, the superposition of harmonics should be considered.
在许多普通形式的分析中，非线性负载担当电流源，产生电流的谐波成分。
In many common forms of analysis, the nonlinear load, acting as a current source, supplies the harmonic components of the current.
这些方法不能分析非整次谐波，不能区分一次谐波和偏心分量，并且含有较大的非线性误差。
These methods can't be used not only to analyze the non integral order harmonics, but to distinguish the eccentricity and the first harmonic, and contain the lager nonlinear error.
该方法也可用于一般非线性负载的谐波电流检测。
The method can be also used for detecting harmonic currents of other non-linear loads.
提出一类强非线性动力系统的叠加迭代谐波平衡法。
A superimposing iteration harmonic balance method (SIHB) is presented for the steady-state analysis of strongly nonlinear oscillators.
提出用概率求和估计非线性负荷谐波发射水平的新途径。
A new approach for assessing harmonic emission levels from nonlinear loads is proposed with inverse sum of random vectors.
非线性负载会形成非正弦电流，如方波，其中包含谐波成分。
The nonlinear load will draw a nonsinusoidal current, such as a square wave, which contains harmonic components.
当不使用造影剂时，谐波是由非线性传播产生的。
When no contrast is employed, harmonics are generated by tissue itself as a result of nonlinear propagation.
谐波平衡法是非线性电路中稳态分析的一种有效的方法。
The Harmonic Balance method is an efficient method in steady state analysis of nonlinear circuits.
由二阶谐波平衡法得到的非线性代数方程组很容易用符号运算软件求出。
The nonlinear algebraic equations for the second order approximate solution were solved by using symbolic computation software.
介绍了谐波产生的根本原因是非线性负载，阐述了谐波的危害。
This paper explained the fundamental reason of harmonics is nonlinear load, expounded the harm of harmonic.
低压电力系统中大量具有非线性特性的电力电子设备是产生谐波的主要原因。
A mass of power electronics equipments with nonlinear characteristic are the main source of harmonics in low-voltage power system.
讨论了准相位匹配（QPM）技术中的非线性光频转换谐波振幅方程和谐波转换效率。
The harmonic amplitude equation and the generation efficiency of nonlinear optical frequency conversion(NOFC)in quasi-phase-matching (QPM) were discussed.
对于非线性负载所引起的谐波失真，传统的逆变系统通常采用复杂的大规模无源元件滤波方案来滤除。
Conventional UPS systems operate to protect against such harmonic distortion brought by nonlinear load using complex filtering schemes, often employing large passive components.
因此对于谐波雷达而言，具有谐波辐射特性的非线性目标是有效目标。
So, the effective target of harmonic radar is the nonlinear target with harmonic radiation characteristic.
该方法能够方便地计算接触面非线性摩擦力，考虑响应的高次谐波以及叶片高阶振型的影响。
This method can calculate the nonlinear friction force conveniently and can consider the effects of the blade high modes and the high harmonics of the blade responses.
本文采用改进的L -P法研究梁的强非线性振动，分析了超谐波共振和次谐波共振两种情况。
The modified Lindstedt-Poincaé method(MLP) is used t analyze strongly nonlinear vibration of beams. Attention is focused on the superhamonic and subharmonic resonances.
本文采用改进的L -P法研究梁的强非线性振动，分析了超谐波共振和次谐波共振两种情况。
The modified Lindstedt-Poincaé method(MLP) is used t analyze strongly nonlinear vibration of beams. Attention is focused on the superhamonic and subharmonic resonances.
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