This provides a part of explanation for the phenomenon of frequency shifting before some reservoir earthquake.
这为某种水库地震前的频率转移现象提供了部分的解释。
Object's radial velocity effect on object's radar cross section (RCS) outdoor measurement with pulse to pulse frequency shifting radar was researched.
研究了在脉间变频格式目标雷达散射截面(RCS)测试中目标径向速度对测试结果的影响。
Finally, a comparison about performance is made among up sliding filter, down sliding filter and none sliding filter in suppression of frequency shifting.
最后比较了上滑频滤波器、下滑频滤波器、以及无频移滤波器在抑制频率移动的性能。
The frequency shifting and beam deflection of the Bragg acoustooptic interaction in cascade is analyzed according to general Bragg acoustooptic interaction theory.
根据声光互作用的一般理论，对不同的声光互作用条件下，级联布喇格声光互作用的频移和光束偏转进行了分析。
In this paper, a method for shifting the natural frequency of a structure to a desired value by modifying the local stiffness and mass parameters is proposed.
本文对修改结构局部刚度和质量参数，从而使其具有给定固有频率的动力修改问题提出了一种求解方法。
Narrowing it down to the voice they liked best, they then played with it in various ways, at one point even frequency-shifting it so that it sounded like a child.
他们将范围缩小至他们最喜欢的声音，然后通过各种方式呈现声音，甚至一度通过频移使其听起来像是孩子的声音。
Gradual shifting of the spectral bands indicates the gradual changes of frequency, which reflects the gradual changes of net depositional rate.
滑动窗能谱带的逐渐转移，表示频率的逐渐变化，反映净沉积速率的逐渐变化。
During the design of a practical interferometric fiber-optic sensor, one of the key problems is to compensate phase random shifting and eliminate frequency doubling caused by strong signal.
在干涉型光纤传感器的实用化设计过程中，相位随机漂移补偿及强信号下出现的倍频的消除是关键问题之一。
For bandpass signal under digital quadrature sampling, there is spectrum shifting. Although the sampling frequency satisfies the sampling theorem, it may cause spectrum aliasing.
在数字正交采样中，带通信号存在频谱迁移问题，虽然满足带通信号的采样定理，仍可能产生频谱混叠。
The main structure of the mixer adopts two symmetrical single-balanced mixers, with phase-shifting of the up and down path signals to eliminate the image frequency.
混频器主结构采用两只对称的单平衡混频器组合，通过上下两路信号移相来达到消除镜频的目的。
Gradual shifting of the spectral band toward high-frequency presents upward thickening succession, which means the upward net depositional rate decrease.
能谱带逐渐向高频方向转移，反映一个向上变薄的序列，即向上净沉积速率减小。
The steady principle of the inverter with a high frequency pulse AC link and the unipolarity phase shifting control strategy are investigated.
该文深入分析研究了高频脉冲交流环节逆变器稳态原理特性与单极性移相控制策略。
The monitor system of shifting frequency signals is an engineering control and test system. By research and development, real-time monitor to railroad shifting frequency signals is realized.
移频信号监测系统是一个工控检测系统，它的研究和开发实现了对铁路移频信号的实时监测。
Properly shifting the filter on the frequency region can improve the contrast and the contour acuity of the output image. It is profitable for edge detection.
阶跃滤波器在频域的适当的位移(偏置)即可以改善输出图像的衬底，也能改善其轮廓视锐度，从而有利于图像边缘的检测。
A circuit topology family of inverters with high frequency pulse AC link and a double polarities phase-shifting control strategy are proposed and deeply investigated.
提出并深入研究了高频脉冲交流环节逆变器电路拓扑族及其双极性移相控制策略。
A circuit topology family of inverters with high frequency pulse AC link and a double polarities phase shifting control strategy are proposed and deeply investigated in this paper.
提出并深入研究了高频脉冲交流环节逆变器电路拓扑族及其双极性移相控制策略。
In the scorched manufacture of metallurgical coke, the shifting velocity was usually controlled by adopting low pressure frequency converter either hydrodynamic clutch.
在干熄焦生产中，通常采用低压变频器或液力偶合器来控制调速。
To overcome voltage stress existed in the inverter with high frequency AC pulse link, single polarity and double polarities phase shifting control strategies were proposed and studied in this paper.
为克服高频脉冲交流环节逆变器存在的电压过冲现象，本文提出和研究了单极性、双极性移相控制策略。
The process of modifying a RADIO FREQUENCY (RF) signal by shifting its phase, FREQUENCY, or AMPLITUDE to carry information.
控制挪移射电频率(RF)信号的相位、频率或幅度来传送信息的过程。
The process of modifying a RADIO FREQUENCY (RF) signal by shifting its phase, FREQUENCY, or AMPLITUDE to carry information.
控制挪移射电频率(RF)信号的相位、频率或幅度来传送信息的过程。
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