信号地

传感器和信号地之间的共模电压VCM来自周围杂散电容耦合带来的噪声源。

VCM , the common-mode voltage between the sensor and the signal ground , results from nearby noise sources resulting from stray capacitive coupling .

同时考虑到卫星无线信道采用的是QPSK调制解调方法，因此帧同步发送器的输出应该是通往调制装置的的三线插接端口（包括数据、位同步脉冲、信号地）。

Because the satellite wireless channel adopt the QPSK as the modulated and demodulated way , the export of Synchronous Transmitter shouLD # be three lines plug ( include data , synchronous pulse , and the signal ground ), which lead to demodulation equipment .

热工仪表系统的信号地电位问题

On Signal Ground Potential in Instrument System

必须预定有额外的双绞对，以有足够的导线作为信号地的通路。

An extra twisted pair must be specified to have enough conductors to run a signal ground .

通过对一些信号地电位处理不当的实例分析，说明在工程设计中地电位问题必须加以重视。

Through the analysis of improper treatment of signal ground potential , this paper illustrate that attention shall be paid for the project design of ground potential .

仿真显示，这种方法能够将微弱的ARM信号有效地检测出来。

Computer simulation shows the detection of weak ARM signal can be well accomplished .

它能够通过无线WIFI（WirelessFidelity）和有线USB（universalserialbus）将采集到的肌电信号实时地传输到电脑上。

It can transfer EMG signal to computer via wireless WIFI ( wireless fidelity ) and wired USB ( Universal Serial Bus ) in real time .

试验结果表明，BP神经网络能根据漏磁信号精确地预测缺陷的几何参数，为漏磁定量化检测提供了一种可行的方法。

The experimental results indicate that the BP neural networks can accurately predict the defect geometry parameters according to the MFL signals , the viable method is offered for MFL quantitative testing .

计算机兼容数字磁带（CCT）转换记录装置的功能是把多通道模拟信号高速地转换为数字信号。

The function of CCT ( Computer Compatible Tape ) conversion record apparatus is to convert multichannel analog signals into digital ones at high speed .

利用Gold码具有较多独立码的特性，以多位二进制信息为单位对置乱后的二值图像水印进行扩频调制，然后将调制信号自适应地加入到载体图像离散余弦变换域的低频分量系数中。

By exploiting the characteristics that Gold codes have more independent codes , the binary image watermark was modulated with multibit binary information regarded as an unit , and then was adaptively embedded into low frequency components of the scrambling image in discrete cosine transform domain .

第二种算法以灰度图像为水印，结合JPEG压缩方法，利用视觉掩蔽特性在空域对图像子块进行分类，然后将预处理后的水印信号自适应地嵌入到宿主图象。

The second algorithm uses gray image as watermarking , combines with JPEG compression method and classifies the subblock of image in spatial domain based on HVS , then embeds the pre-processed watermarking into original image adaptively .

其中，MPEG-2能在很宽范围内对音视频信号有效地进行编码，被广泛应用于有线数字电视、卫星数字电视广播等系统中。

Among them , MPEG-2 , which can effectively encode a wide range of video and audio signals , has been extensively used in cable digital TV , digital TV broadcast for satellite , and so on .

数字信号接地电阻的自动监测技术的探讨

Discuss on Automated Measurement Technology of Grounding Resistance in Digital Signals

舰船信息系统信号接地的电磁兼容性分析

Electromagnetic Compatibility Analysis of Signal Grounding in Ship Information System

因此，从杂乱的噪音中检测出信号显地格外重要。

Therefore , it is very important to detect signals from noises .

单片机用于小电流信号接地系统

Single Chip Microcomputer Used in Small Current Signal System

慢性期血栓信号不断地降低。

Signal intensity gradually became lower in chronic phase .

传感器在对目标检测时，输出信号不可避免地含有白噪声。

White noise is unavoidable in sensor output signal .

非平稳信号广泛地存在于自然界中。

Non-stationary signal exits widely in the nature .

马像得了信号一样地起了反应。

The horses reacted as if on cue .

分析了探地雷达的两种典型体制，进步频率和脉冲信号探地雷达。

The typical GPR system : the frequency and pulse signals progress GPR are analyzed .

这种磁强计的特点是，可将输出信号简便地转换成二元代码。

This magnetometer is characterized by the output signal can be easily converted into binary code .

电子系统能够对输入的图像或声音信号逼真地再现。

Accuracy with which an electronic system reproduces the sound or image of its input signal .

应用于外加诊断信号接地选线保护的注入信号发生器研究

Research on Signal Generator for Single-phase Ground Fault Line Selection Protection Based on Additional Diagnosis Signal

承钢热带计算机系统信号接地与屏蔽

Earthing and shielding of computer system in hot strip rolling mill of Chengde Iron and Steel Company

然而在实际的应用中，雷达信号不可避免地受到各种噪声和干扰的影响。

However in practical applications , the radar signal is inevitably influenced by various noises and interferences .

化学信号深刻地影响着啮齿动物的行为，并在其生存中有重要意义。

Chemical cues profoundly influence rodents ' behavior , and play a significant role to animals ' survival .

二相码信号广泛地应用于雷达系统，文中针对其对多普勒频率敏感的问题提出了一种补偿算法。

For binary phase-coded signal sensitive to Doppler frequence , a new compensation algorithm is introduced in this paper .

在犁鼻系统，信息素的信号更多地作用于下丘脑区域，引起特定的行为和神经内分泌反应。

Pheromones signals exert their effects on hypothalamic areas through which pheromones elicit specific behavior and neuroendocrine effects in VS ;

政府审计公告把这种信号间接地传递给市场，从某种程度上降低了资本市场上的信息不对称。

This bulletin signals indirectly the government audit to the market . To some extent it reduces the asymmetric information on capital market .