Local artifical boundary condition in time domain is based on concept of travelingwave. It cannot simulate zero-frequency component(evanescent motion) generally.
时域局部人工边界是以行波概念为基础的，原则上不能用于模拟零频分量（消减运动）。
For discrete convolution equation set, generally, people use Fourier transform method to solve. But in some positions, zero frequency will lose.
对于离散卷积方程组，一般采用傅氏变换的方法求解，但在某些特定系数的情况下，零频率丢失。
Calculations of static properties are dealt with transfer functions at zero frequency.
静态特性计算运用零频率的传递函数。
Based on the clump intensity index, regressive analysis method and zero frequency method, the spatial distribution pattern of Latori bicolor (Walker) larvae was studied.
应用聚集度指标法、回归分析法、零频率方法对两色绿刺蛾幼虫在毛竹林间的分布型进行测定。
It can constrain frequency response of filter Banks to form null at zero frequency point and to obtain minimum side lobe area.
它可强制滤波器组的频率特性在零频形成零点并使旁瓣面积最小。
A more precise estimation method of the Zero Doppler Time has been improved, and the frequency synchronization is achieved.
文章改进了零多普勒时间的估计方法，提高了其估计精度，从而较好地实现了频率同步。
Using voltage controlled current source(VCCS) to create a zero is a novel scheme for frequency compensation of LDO regulators.
利用小信号压控电流源（VCCS）电路产生所需零点，是一种先进的低压降稳压器（LDO）频率补偿方法。
This difference affects light intensity and frequency of the modes, and as a result leads to zero drift.
损耗影响激发模的光强和频率，在陀螺中损耗不同将会导致零漂。
The zero transfer point can be set arbitrarily by appropriately selecting transmitting periodic time T and number N, and it is advantageous to eliminate some interference in some frequency points.
适当选择发射周期T和周期数N就可以随意设置梳状滤波器的零传输点，有利于消除某些频率的干扰；
The reactance of an ideal capacitor approaches to zero with increasing frequency.
随着频率增加，理想电容的电抗会接近零。
When the inertia constant of the perturbed system is approaching zero, so is the frequency deviance.
当摄动系统的发电机惯性时间常数趋向于零时，各频率分量也趋向于零。
LFMCW radar nonlinear residual frequency errors zero crossing detection periodogram.
标签LFMCW雷达非线性剩余频差过零检测周期图。
When circumjacent load makes the lowest natural frequency zero, critical load is obtained.
当周边面力使夹层圆板的最低固有频率为零时，就可获得临界载荷的值。
Zero vectors are randomized with the sample frequency and the average switching frequency equals to sample frequency with some constraint.
同时随机化零矢量，通过约束保证平均开关频率等于采样频率。
In addition, line mode and zero-mode voltage wave cross each other at the point of fault which causes the natural frequency "aliasing".
此外，故障电压行波于非对称短路点发生线模与零模行波相互交叉透射，致使故障电压自然频率“混叠”。
The flat-earth makes the main frequency of the interferogram not at the zero frequency, and can't reflect the change of the topographic altitude.
平地效应使干涉纹图中的主要频率不在零频，不能反映实际地面高程的变化。
The zero occurs at a lower frequency than the pole.
零点的频率比极点低。
In the heat-supply system with distributed variable frequency pump, there exists a zero pressure difference, at which supply and return water pressures are equal.
分布式变频泵供热系统中存在零压差点，该点供回水压力相等。
Measure function: can measure current, voltage, active power, reactive power, frequency, zero sequence current, electric energy, 2 pulse inputs implement watt-hour meter auto read;
测量功能：高精度测量电流电压、P、Q、功率因数、频率、零序电流、计算电度；2路脉冲量输入实现外部电度表自动抄表；
A phase detector is a device that takes two signals. If both have the same phase and frequency the output is zero.
鉴相器是一个有两个输入信号的器件，如果二者具有相同的相位和频率则输出为零。
The filter processes input discrete sampling signal to recover continuous signal and suppress harmonic noise, and the zero-crossing frequency measuring method is improved.
该滤波器通过处理输入离散采样信号获得连续信号并抑制谐波噪声，改进了过零测频方法。
This paper presents a novel open-loop speed control method for induction motors that provides high output torque and nearly zero steady-state speed error at any frequency.
提出了一种新颖的感应电机开环速度控制法，在任一频率下，它不但能使电机输出高的力矩，而且使稳态速度误差几乎等于零。
When these two directions are not parallel or perpendicular to each other, the dispersion zero-point shows a shift to the transition frequency of the atom.
当这两个方向不平行或垂直时，色散零点相对于原子跃迁频率发生移位。
The zero-crossings of the AC voltage and digital frequency synthesizer are used in solving the two main problems in frequency hopping system-synchronization and fast frequency synthesizing.
利用电力系统三相交流电压过零点和高速数字频率合成器解决了跳频系统中同步和快速频率合成的两个关键问题。
An improved method which measures frequency through the slope of zero based on the cross-zero detecting is presented.
因此提出了一种改进的过零检测算法：零点斜率测频法。
This kind of material is already extensive now to be used for common mode choke of high frequency circuit changer, high frequency dc-to-ac converter, zero order mutual-inductor and etc.
这种材料现已广泛用于共模扼流圈、高频开关电源、高频逆变器、零序互感器等许多电器元件。
For the case of hydrodynamic noise, in which the range of the frequency-thickness product of interest is relatively low, the symmetric zero-order mode dominates the noise radiation.
对于水动力噪声情况，感兴趣的频率厚度乘积相当低，这时零阶对称模式对噪声辐射起主要作用。
The invention relates to a microwave medium ceramic material of a near-zero resonance frequency temperature coefficient and a preparation method thereof.
本发明涉及近零谐振频率温度系数的微波介质陶瓷材料及其制备方法。
At present power converters of DC driving system make power supply outputs a high-frequency pulsating current, which is from zero to the armature current. This large ripple damages batteries.
目前国内外电动车直流驱动功率变换器使储能电源输出电流从零到电机电枢电流高频脉动，不利于延长动力电池的使用寿命。
At present power converters of DC driving system make power supply outputs a high-frequency pulsating current, which is from zero to the armature current. This large ripple damages batteries.
目前国内外电动车直流驱动功率变换器使储能电源输出电流从零到电机电枢电流高频脉动，不利于延长动力电池的使用寿命。
应用推荐