查询词典 communicate by signals

Nd the source signals are replaced by the processing of estimate signals with the unit symmetrical moving weight vector.

bstract 针对电子战中各种信号混叠严重、难以分离的现象，提出一种新的瞬时线性混叠信号的盲源分离算法。

A low frequency rolling bearing fault diagnosis method based on local projective noise reduction;2. According to characteristics of both the vibration signals and the stator currents when appering a fault in the rolling bearing of the induction motor,Park vector module signal of the three-phase current is calculated,and the envelope of vibration signals from the rolling bearing of the motor is analyzed.

根据感应电机轴承发生故障时的振动信号特性以及定子电流特性，求出三相电流的Park矢量模信号，并将其与电机滚动轴承振动信号经解调处理后的包络信号进行融合分析，可以从振动信号与电流信号的融合谱图中有效地提取轴承故障特征信息，并将其作为故障识别的依据。

In order to make use of time-frequency characteristic of signal,a new method of variational estimation on signal frequency by using AR model power spectrum estimation,designing band-pass filter to gain approximatively source signals and underdetermined mixed matrix,and constructing completed observation signals by expanded subspace primer vector is proposed.

充分利用信号的时频特性，提出了AR模型功率谱估计法滑动估计信号频率，设计带通滤波器近似获取源信号和欠定混合矩阵，以及扩展子空间向量基构造完备观测信号的方法，将问题转化为完备情况下的盲分离，最后运用FastICA方法实现了信号盲分离。

It can separate sync signals from NTSC, PAL and SECAM video signals, and produces composite sync output signal, back porch output signal, horizontal sync signal, vertical sync signal and odd/ even field output signal.

它可以对NTSC、AL、ECAM 制式的视频信号进行同步分离，获得所需的同步信号，还能准确地输出复合同步、沿输出、同步、同步和奇/场输出信号。

By generating all essential clock signals for MPEG playback, and converting digital video inputs to either NTSC or PAL video signals, the SP232EEN-L is an essential component of any low-cost solution for video-CD playback machines.

通过产生所有必要的MPEG播放时钟信号，并转换为数字视频输入或NTSC或PAL视频信号，SP232EEN - L是一个任何视频光盘播放机的低成本解决方案的重要组成部分。

First use of sensors to convert the weight of voltage signal, and then voltage signal amplification input A / D converter, followed by A / D converter tool analog signals into digital signals, the digital signal will be sent to the microcontroller, through the process of Signal processing, and weighing function, and then the weight and keyboard input price multiply calculated lump sum, and the weight and price with LCD display.

首先用传感器把重量转换成电压信号，再将电压信号放大输入A/D转换，利用A/D转换工具将模拟信号转化为数字信号，将得到的数字信号传送至单片机，通过程序对信号进行处理，实现称重功能，然后将重量与键盘输入单价相乘计算出总价，并将重量和价格用LCD显示出来。

Dual waveband signals in high power laser welding were recorded and analyzed, especially, the law between the signals magnitude and the defocusing was discussed.

记录和分析了高功率激光焊接中工作区的紫外和红外信号，着重分析了双波段信号与离焦量变化的对应规律。

This paper systematically researched this sort of nonuniformly sampled signals'digital spectrum structure, signal-to-noise ratio , the response of D/A converter with nonuniformly sampled signals, the algorithm for estimating timing offsets, the relationship between the discrete time expression of the total energy and the continuous time expression, the estimation of the average power, the algorithm of recovery and application in designing and analyzing the digital waveform synthesizer.

本文全面系统地研究了这类周期性非均匀采样信号的数字谱结构，信噪比表达式，数模转换器对非均匀采样信号输入的响应，误差校正算法，时域与频域的能量对应关系，对功率测量的影响，内插恢复算法，以及在设计和分析数字波形合成器中的应用。

Since nerve cells use electrical signals, and magnetic fields can induce and disrupt such signals, a strong, well-aimed magnetic stimulation can affect the brain's operation.

自从神经元细胞用了电子信号，磁场就能产生或中断这样的信号，一个强的，很好的瞄准磁刺激能影响大脑的工作。

Magnetic stimulation, also holds out the promise ofenhancement. Since nerve cells use electrical signals, and magneticfields can induce and disrupt such signals, a strong, well-aimed

自从神经元细胞用了电子信号，磁场就能产生或中断这样的信号，一个强的，很好的瞄准磁刺激能影响大脑的工作。

Given the language of section 102(2), the Supreme Court's rejection of substantive review under NEPA seems unjustifiable in principle

按照第102条的规定，最高法院否决《国家环境政策法》所规定的实质性复审在原则上似乎是不正当的。

ObjectiveTo explore the effect of variable hip abduction orthosis on children spastic cerebral palsy.

目的探讨髋关节矫形器在儿童痉挛型脑性瘫痪康复中的作用。