函数波形

给出一种基于DDS技术的函数波形发生器设计方法。

To present a design method of function waveform generator 's function circuit which is based on the DDS theory .

对几类函数波形和一组实测高空核爆电磁脉冲（HEMP）波形的验证结果表明，HEMP波形、余（正）弦阻尼振荡波形等信号的重建波形与原始波形符合很好。

The reconstruction of minimum phase signal , such as the HEMP waveform , cosine or sine exponentially damped waveform etc , shows good agreement with the original .

为了获得复杂的函数波形，介绍了一种利用微处理器、A/D转换器和压控振荡器（VCO）产生函数波形的方法。

This paper describes a method making use of microprocessor , analog to digital converter ( A / D ) , voltage controlled oscillator ( VCO ) to generate the function waveform .

任意函数波形的数字化生成方法

Digital waveform producing method of known function arbitrary waveform s

函数波形微机合成技术研究

The microprocessor composing technology of the function waveform

高频函数波形发生器的电路设计

High Frequency Function Waveform Generator Circuit Design

该系统配置了任意函数波形发生器作为液晶驱动源，可对液晶材料的电光特性作深入研究。

It was equipped with a waveform generator of arbitrary function as the power source .

蚀变岩石和矿物光谱的切比雪夫比值函数波形分析

The waveform analysis of Chebyshev ratio functions of the spectrum of altered minerals and rocks

智能函数波形发生器

Intelligent Function Waveform Generator

基于对函数波形的存储和读取而形成的数字法函数信号发生器，可生成任意波形函数信号，且具有极高的频率稳定度（同晶振频率稳定度）。

The digital method-function signal generator based on storing and reading the function waveform can generate arbitrary waveform and have high stability of the frequency ( same as that of the crystal oscillator ) .

该仪器实现了特殊波形数据的存储与回放，常用函数波形的产生和对波形频率、相位、幅值的灵活调整。

This device realizes the storage and replay of special waveform data , the generation of usually used function waveform , and also the convenient adjustability of frequency , phase and amplitude of the waveform .

给出了三块双折射晶体结构的抖动不大于0.1%时的晶体偏转角度的数值解，讨论了晶体偏角和厚度的变化对透射率函数波形的影响。

For the system containing three birefringent crystals , all the possible deflection angles of the crystals were searched out when the ripple is not greater than 0.1 % . The influence of the deflection angles and thickness of the crystals on the system ′ s spectral transmittance was discussed .

仿真结果表明了基于小波函数脉冲波形的UWB系统性能优于基于传统超宽带窄脉冲的UWB系统。

The simulation results show that the performance of the wavelet-based UWB system is superior to that of UWB system using conventional monocycle .

示波器和函数/波形发生器在核磁共振测量仪器研制中的应用

Application of Oscilloscope and Waveform Generator in Designing Nuclear Magnet Resonance Measuring Instrument

通过对脉冲形成线放电过程的分析，导出了螺旋线型脉冲形成线所形成脉冲的频谱函数和波形函数。

According to the study on PFL discharge process , the spectrum and waveform functions for the pulse formed by helical PFL are also deduced .

并且通过研究发现，神经振子群的发放密度函数的波形与神经元之间的耦合阶次有着明显的相关性。

And also through study found that nerve density function of the release oscillator waveform and the coupling between neurons has a significant order of relevance .

函数/任意波形发生器SCPI解释器设计与实现

Research and implementation of SCPI interpreter for function / arbitrary waveform generator

对利用低层音频处理函数API进行波形输出的程序设计进行了讨论，阐述了声卡输出波形的原理和方法。

It has been discussed particularly how to design programs on wave output by using low level audio processing function API . The principal and method of wave output by sound card are explained in detail .

用线性电路模拟非正弦周期函数信号的波形

Using Linear Circuit to Simulate Nonsinusoidal Waveforms of Periodic Signals

椭圆三角函数及其在波形发生器中的应用

Elliptical Triangle Functions and Their Application to Waveform Generators

本文把开关函数用于整流波形的谐波分析，推导出了整流波形适于计算机处理的谐波分解公式，并相应设计了计算机程序。

Using the switch function in the harmonic analysis of rectifier circuits , a general method of harmonic analysis aided by the computer is drawn and a computer program is designed correspondingly .

目前国内外函数/任意波形发生器产品的波形输入主要是通过仪器面板键盘操作或者PC机波形设计下载输出相应波形的电压信号。

At home and abroad Function / Arbitrary Waveform Generator waveform input products mainly through the instrument panel keyboard or the PC , download the output waveform design corresponding waveform voltage signal .

波形检测是模拟电路故障分析中的重要方法之一，本文介绍了利用自相关函数来完成波形检测的一种故障检测算法及具体实现。

Waveform inspection is one of the important methods for fault analysis in analog circuit . This paper introduces a fault detection algorithm that applies auto-correlation function to accomplish waveform inspection and also gives an implementation of the algorithm .

在现代电子学的各个领域，常常需要高精度且频率方便可调的信号源。以函数/任意波形发生器为代表的通用信号源，是现代测试领域内应用最为广泛的通用仪器之一。

Transistor has been the worldwide focus since 1940s ' , which is the basis of modern electronics and microelectronics . The general signal source , represented by function / arbitrary waveform generator , is wildly used in the modern testing field .

而后对电网的典型噪声进行双谱分析，并通过双相干函数提取其波形特征，利用自组织特征映射神经网络进行类聚分析，从而对特定中压配电网的各种电网噪声干扰进行分类识别。

Then analyze typical noises of the network based on bispectrum , get the wave characteristics according to bi-coherence function , and carry on the clustering analysis based on self-organizing feature mapping , so it realizes the clustering identification of the typical noises of medium-voltage power line .

基于Flash的函数法生成动画波形研究

Research on Realizing Signal Waveform Flash Cartoon by Functions

通过改变信号发生器的参数，可方便得到斜坡、阶跃、脉冲和e函数等各种不同波形的信号。

Different waveform signals such as ramp function , step function , pulse function and exponential function are available by changing the parameters of the signal generator .

基于双指数函数拟合的冲击波形参数提取算法

A Double Exponential Function Fitting Algorithm for Impulse Parameter Evaluation

所提出的算法定时度量函数具有陡峭的波形，大大提高的符号定时估计性能。

This algorithm can achieve considerable symbol timing accuracy with a steep roll-off timing metric trajectory .

应用特征基函数法和渐近波形估计技术分析了二维多导体目标的电磁散射特性。

Characteristic basis function ( CBF ) method in conjunction with asymptotic waveform evaluation ( AWE ) technique is applied to analyze the scattering properties of two-dimensional multi-objects .