介绍了它的基本原理、试验波形及应用。
It's basic theory, test waves and applications is introduced.
本文从小波变换的基本概念出发,提出了波形匹配的具体实现方法,利用优化函数来得到最优小波滤波器。
Based on the basic conceptions of wavelet transform, the realization of waveform matching and find the optimized wavelet filter is presented in this paper.
接着,在分析了基本的UWB波形的情况下,研究比较了采用跳时调制不同的数据调制方案。
Then, this dissertation analyses the basic UWB waveform and compares two different data modulation schemes which adopting time-hopping modulation.
根据SPWM的基本原理与付立叶级数理论,建立了SPWM电压型逆变器输出波形的数学模型。
Based on SPWM basic principle and Fourier series theory, the mathematical model of output waveform of SPWM voltage source inverter is built.
介绍了晶闸管光耦合器的特性、基本电路、工作波形及其在液压下料机电子控制装置中的作用。
The characteristics, basic circuit, and working wave pattern of transistor type optical coupler and its function in electronic control unit of hydraulic discharging machine were introduced.
这五类信号与状态、速率、电平、波形和频率五种基本信号一一匹配。
You will see that the five signal types closely parallel the five basic types of signal information: state, rate, level, shape, and frequency content.
该文阐述了音频压缩编码器的系统构成及基本原理,并且详细地的说明了硬件电路设计思想及相关时序波形的分析。
Not only the system architecture and basic principle are described in this paper, but also the design ideas are proposed and timing sequence of hardware is analyzed in detail.
并通过理论分析得出了断路器分合闸线圈电流波形的基本特征。
The basic features of the coil current waveform of the circuit breaker are also obtained by theoretical analysis.
通过时域波形和频谱等基本分析手段来探测振动加速度信号中的周期性冲击分量往往是困难的。
It is difficult to detect the periodic impulse component in the vibration acceleration signal with conventional analysis methods such as time domain wave and frequency spectrum.
本文介绍了数字式线性调频波形产生器的基本原理。以及四种硬设备的实现方案。
In this paper basic principles on digital generator of chirp waveform and four realizable schemes of hardware are described.
分析了微型件点焊的主要特点,阐述了各种微型件精密点焊机的基本工作原理、输出电流波形和性能特点。
The main characteristics of minisize piece spot welding is analyzed. The basic principle, output current waveform and properties of various minisize piece spot welding machine is expatiated.
文章通过防撞护栏施工管理实践,简要介绍了波形梁护栏工程施工质量控制的基本方法。
Through practice of the crash-barrier construction management, this paper briefly introduces the basic ways of quality control of the corrugated guardrail construction.
海洋内孤立波是一种携带巨大能量的特殊内波,它能够在海洋中长距离传播而保持波形基本不变。
Internal solitary waves are a kind of special internal waves, which could bring enormous energy and propagate long distance in the ocean with its wave form basically unchanged.
文中给出了软化SPWM波形合成基本原理、合成方法及实现电路。
The principle, synthetic method and implementation circuits for generating soft SPWM waveform are given.
电子支援措施目标识别包括利用基本电波参数、脉冲波形特征和通过对己方电子支援措施电波的接收分析进行识别。
Electronic support measure target recognition utilizes basic electric wave parameter, the characteristic of pulse wave shape and the analysis on electric wave received to perform target recognition.
介绍了伪随机序列的基本知识以及该理论在扩谱雷达波形设计中的典型应用。
The basic idea of pseudo noise sequence and its typical application in radar signal designing were introduced in this paper.
将声波转换成电功率并保持其波形特性基本相似的装置。
Device for converting sound waves into electric power that has wave characteristics essentially similar to those of the sound.
本文基于负压波法检测管道泄漏的基本原理,提出了利用卡尔曼滤波算法对压力信号波形进行处理获得压力波形特征点的方法。
On the basis of suction wave method to detect pipeline leakage, the theses present that Kalman Filter can be used to get the featured inflection point of pressure wave.
这些基本曲线的解析式称为基函数,可以用相应的矢量表示,从而各种故障波形可用相应的矢量序列来表示。
The analytical forms of the curves were called basis functions, and could be expressed by the corresponding vectors. Thereby, all kinds of fault waveforms listed by their vectors.
文中给出直接数字合成波形的基本原理,分析了合成波形的频谱。
This paper introduces the principle of direct digital synthesizing signals and analyzes the frequency spectra of synthesized signals.
介绍了用VB6.0实现虚拟数字示波器系统基本功能的方法,并重点阐述了软面板设计、数据采集和波形显示的编程方法。
A project on designing virtual digital-storage oscilloscope system which USES VB6. 0 is introduced. The software of front panel, data acquisition and waveform display are described mainly.
通过试验,得到了基本符合冲击试验规范的后峰锯齿波冲击脉冲波形,为实现任意冲击波形提供了理论依据。
After testing, the final peak saw-tooth shock pulse is basically suitable for shock testing rules. It provides the theoretical basis to realize shock pulse.
设计一种演示装置,并通过示波器观察试验过程中各部分信号波形,达到演示红外光波作为无线传输的指令信号载体的过程和红外线遥控的基本原理。
The demonstration facility is designed, demonstrating the basic principle and process during the course of wireless transmission by infrared ray as instruction signal through observing the waveform.
实验结果表明,理论预测和实验结果能够基本吻合,而光热膨胀的波形也满足了实现微型驱动器的要求。
Experiments show that our theoretical predicts match experiment results well and the variable regularity of expansion satisfies the requirements of micro-driver.
介绍了FIR滤波器的基本结构、设计方法和循环寻址的特点,给出了利用TMS320DM642设计FIR数字滤波器的主要编程语句及其实验波形。
This paper introduced the structure and design method of FIR filter and circular addressing. it gave the program validated in TMS320DM642 and the figure contrasted.
最后,给出了实验波形和数据分析,验证了滤波器硬件和软件设计的基本合理性。
Finally, analyzation of experimental waves and datas show the general validity of software and hardware of APF experiment equipment.
介绍了MCP - PM T组件设计的几个基本问题,指出获得良好时间特性波形的关键是阻抗匹配。
Some major issues in assembly design for MCP-PMT are presented. It is indicated that a good impedance match is the key to obtain the better time characteristics.
在火花试验装置上进行爆炸试验,得到本质安全复合电路的放电波形,发现电弧电压基本维持在最小建弧电压,而电容电流随着电路参数的不同而发生振荡。
It was found that when the capacitive ignition occurred, arc voltage will keep minimum arcing voltage, but arc current possibly attenuates in sinusoidal form with different circuit parameters.
本文综述了采用示波原理间接测量血压方法的研究进展,并介绍了波形特征法和幅度系数法两类血压判别方法的基本原理,对影响其测量精度的因素进行了分析。
The paper expatiated it on the basis of different algorithms in this field by dividing them into two categories named as feature point method and amplitude characteristic ratios method.
本文综述了采用示波原理间接测量血压方法的研究进展,并介绍了波形特征法和幅度系数法两类血压判别方法的基本原理,对影响其测量精度的因素进行了分析。
The paper expatiated it on the basis of different algorithms in this field by dividing them into two categories named as feature point method and amplitude characteristic ratios method.
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