standard signal

On the base of analysis of the standard back propagation algorithm, a BP improving algorithm which adjusts the error signal function and method of training is proposed. This improving algorithm has the advantages of slightly modify and easy implement.

在此基础上，提出了一种针对误差信号函数和学习规则进行改进的BP改进算法，该改进算法具有改动幅度小，实现相对容易的特点。

It can offer standard signal source for various signal standard instrument collate.

它可以为各种信号制仪表的校对提供标准信号源。

Standard Signal Source for VHF Omni Direction Beacon/ Instrument Landing System Based on DSP

采用DSP处理器的甚高频全向信标/仪表着陆系统标准信号源

This paper introduces the concept of the HF multitone parallel signal and the technical standard of the 39 tone parallel signal, describes the principle of the 39 tone parallel signal and presents a way to realize the real time demodulation with the TMS320C30/ C31.

本文介绍了短波多音并行信号的概念及39音并行信号的技术规格，论述解调39音并行信号的原理，给出一种用TMS320C30/C31实时解调的实现方法。

Based on the standard relay output module and ATX power supply, the auto-switching test platform and the testing control software of host controller and digital signal processing sub-system are designed.

基于标准工控继电器输出模块和ATX电源，设计了自动开关测试平台以及主控机和数字信号处理分系统的测试控制软件。

Quantitative real-time polymerase chain reaction is a kind of nucleicacid technology. By adding some fluorescence group in the reaction, we can utilize the fluorescence signal to accumulate and monitor the whole PCR process, and finally through the standard curve, we could analysis the unknown sample.

荧光定量PCR技术是一种核酸定量技术，该技术在PCR反应体系中加入荧光基团，利用荧光信号累积实时监测整个PCR进程，最后通过标准曲线对未知模板进行定量分析的方法。

Test result shows that signal generator's performances comfort the standard, and meet the demand of experiments training system.

测试结果表明样机性能符合设计标准，满足多功能微机保护实验培训系统的技术要求。

Function of the transducer transfer Unitarian standard signal from all kinds of craft parameter.

变送器的功能是将各种工艺参数变换成相应的统一标准信号.

According to the spatial character of underwater acoustic signal in far field, a virtual channel is constructed from the observed channel by time delay and filtering. So one single channel is extended to multiple channels, and then the standard BSS methods can be applied.

该方法依据水声信号远场的空间分布规律，通过将单观测通道信号延时和滤波的方法构造虚拟通道，使单通道转化为多通道，以实现单通道的盲源分离。

Riggers and signal persons also need standard training and testing to ensure safety under the hook.

装配工人和发信号的人也需要标准的培训和测试,以确保安全下钩.

The subjective test takes charge of monitoring the quality of video by receiving signal in fixed or mobile mode and capturing translation stream and playing real-time on PC, using subject feeling as evaluation standard.

主观测试模块通过现场固定或移动接收信号、截取码流并实时播放以监测视频接收质量，主观感受作为评估信号接收质量的标准。

By testing the oxygen sensor tension waveform signal by automobile oscilloscope, the paper analyzes the tension waveform of the standard signal which is emitted by oxygen sensor, introduces the general step of diagnosis engine breakdown by oxygen sensor waveform analysis and its practical applications.

通过汽车示波器对氧传感器的信号电压波形测试，介绍了氧传感器的标准信号电压波形、氧传感器波形分析法诊断发动机故障的一般流程及其具体应用。

The satellite navigation signal simulator, as a high-precise standard signal source, can generate such satellite navigation signals as GPS, GLONASS and galileo and provide a simulation environment for the development and test of navigation receiver.

卫星导航信号模拟器是一种高精度的标准信号源，可以产生卫星导航信号（GPS、GLONASS、Galileo等），为导航接收机的研制开发、测试提供仿真环境。

Transferring High Accuracy Standard Time Signal by SDH 2.048 Mbit/ s Branch

利用光纤数字同步传送网2.048Mbit/s支路传送高精度标准时间信号