Study on the Pretreatment and Waveform Detection Algorithm of ECG

心电信号预处理和 波形检测算法的研究

Optimization processes method of the waveform of the signals changes rapidly is given which makes the wave more lifelike .

介绍了对变化较快信号的 波形优化处理方法，使波形更加逼真。

The frame and key technological parameters of the laser remote sensing echo waveform collection system were stated .

描述了激光遥感回波 波形采集实验系统主要构成以及关键技术参数。

The output transformer sums these oppositely-phased currents to produce the output waveform in the secondary winding .

输出变压器汇总这些生地阶段产生的电流输出 波形中的二次绕组。

This paper gives a brief description of the bandwidth characteristic and sampling rate of digital oscilloscope and analyses their impact on waveform test in practical application .

本文对数字示波器的带宽特性及取样速率进行了简要描述，并分析了其在实际应用中对 波形测试的影响。

The high-frequency pulse waveform of WEDM pulse generator was analyzed . Basic condition method is presented the results is well .

分析了电火花线切割机脉冲电源的高频脉冲 波形，提出了有效的控制方法，获得了良好的综合效果。

The armature current waveform of BLDCM were analyzed .

着重分析无刷直流电动机（BLDCM）电枢电流 波形。

Inverter is the core of UPS and is required to have high quality output waveform .

而逆变器是整个不间断电源系统的核心，必须具有输出高质量电压 波形的能力。

This can be explained by two major differences of the800V drain-source voltage waveform .

这里有两条理由可以解释800伏特漏源极电压 波形的两个差异。

Waveform pure high frequency stability no magnetic interference ( EMI EMC ) .

波形纯正，频率高稳定，不产生干扰磁波（EMI、EMC）。

It provides the necessary theoretical basis for the new crystallizer non-sine vibration waveform of the practical application of technology .

为结晶器非 正弦振动技术的实际应用提供了必要的理论基础。

Design of Non-linear Frequency Modulation Signal Waveform Based on Frequency Modulation Function and Data Fitting

基于调频函数和数据拟合的非线性调频信号 波形设计

A circuit that limits the amplitude of a waveform .

限制 波形振幅的线路。

Power Frequency Waveform Analysis System Based on MATLAB and VB

基于MATLAB与VB的工频 波形分析系统

Fig.17 and Tab . 4 demonstrate the main elements of the voltage waveform .

图17和平台4描述了电压 波形的主要原理。

Drawing on the performance curve and the waveform and spectrum .

绘制有关的性能曲线，和 波形和频谱图。

The Research on IF Waveform Display and Control Based on FPGA and CPCI

基于FPGA和CPCI的中频 波形显示控制技术研究

Waveform reconstructing method and effect to ADC parameter testing based on coherent sampling in ATE system

ATE系统中基于相关采样定理的ADC测试方法和 波形重建

Then the impact of the pulse repetition period time-hopping slot time and pulse waveform on ICI was studied .

结合公式计算以及仿真结果，研究了脉冲重复周期、跳时步长以及脉冲 波形对码间干扰的影响。

Methods and apparatus for quickly selecting an optimal excitation waveform from a codebook are presented herein .

这里介绍了用于从码本中迅速选择最佳激励 波形的方法和装置。

The Research and Design of the Frequency Synthesizer Based on TD-SCDMA Waveform Generator

基于TD-SCDMA的 波形发生器中频率合成器的研究和设计

Must be wireless and real-time waveform of the digital audio signal integrity test system .

要求必须无线方式，并且能实时的对数字音频 波形信号完整性测试系统。

It is discussed how to use CPLD to design an arbitrarily combinatorial coding waveform generator in this paper .

讨论了如何使用可编程逻辑器件设计任意组合编码 波形发生器。

This paper introduces a design method of arbitrary waveform gene-rator which can gain more precision based on multi-pulses synthesis .

为此设计了一种基于多脉冲合成的高精度任意 波形发生器，详细地阐述了系统的设计原理，并给出了具体的硬件结构框图。

This paper introduces structure of waveform steel web prestress concrete box girder and construction method for several bridges .

介绍了 波形钢腹板预应力混凝土箱梁的结构和几座桥梁的施工方法。

This method decomposes a measured signals waveform into a series of sine and cosine components .

这种方法有节制的信号分解成一系列的 波形正弦和余弦的组成部分。

Results The amplitude and frequency of four-channels bipolar output with a variety of waveform might he adjusted .

结果：四通道双极性可实现多种治疗 波形输出，幅频可调。

The work uses Adaptive Delta Modulation ( ADM ) to realize speech waveform coding and digital data compression .

采用 波形自适应增量调制编码方法，研究并解决了语音信号的压缩与加密。

Based on the analysis of MTD radar signal processing a certain MTD radar system is simulated and the specific signal waveform of each management point in the system is given .

在分析MTD雷达信号处理系统的基础上，对某MTD雷达系统进行了仿真，得到了该系统中各个处理点上的具体 信号 形式。

The development of digital and waveform acoustic emission ( AE ) technology made the recognition of AE source possible .

波形数字声发射技术的发展给声发射源的特性识别带来了可能。