waveform characteristic
英
美
网络 波形特性; 波形编码; 波形特征
双语例句
- The paper researches the received waveform and the characteristic of BER in one refection and twice refection, studies the influence of multipath distortion on the transmitted pulse.
通过研究几种发射脉冲的一次反射和二次反射的接收波形以及它们的误码率特性，研究了信道多径失真对室内无线光通信的影响。 - The feature extraction of ECG waveform is a kind of weak signal characteristic extraction aiming at one dimension ECG signal.
心电图波形特征提取是针对一维心电信号的弱信号特征提取。 - Good sinusoidal output waveform, fast dynamic response, excellent load characteristic and high precision of output voltage are known as the advantages of dual-loop instantaneous control with capacitor feedback.
采用电容电流反馈的双闭环瞬时值控制的逆变器具有输出波形正弦性好、动态响应快、输出外特性硬和稳态精度高等特点。 - Computer detecting device of wire feed system The output waveform of the oscillating wire feed system and the external characteristic are controlled and adjusted by a single-chip microcomputer ( SCM) synchronously.
送丝机系统的微机测试装置在单片机控制下，脉动送丝波形与外特性同步调控。 - The conclusion is that both output voltage waveform at rectifier load and system output characteristic may be improved apparently with capacitor current feedback regulation.
研究表明，采用电容电流反馈控制方式，可以使逆变系统的输出电压波形及负载特性得以有效改善。 - The simulation results verify the high precision of the proposed compensation method regardless of the waveform of CT primary current, remanent flux level, and load characteristic.
仿真结果验证了所提补偿方法的高精度，而且不受CT负载特性、CT剩磁情况及原边电流直流成分的影响。 - First reflection waveform characteristic parame-ters that exhibit lithologic variation are determined by defining geological characters of seismic horizon with the aid of waveform analysis.
首先利用波形分解确定地震反射层的地质属性，找出能反映岩性变化的反射波波形特征参数； - The relationships between the grain size of ferromagnetic material and the strength and waveform characteristic parameters of Barkhausen noise ( BN) were studied.
研究了铁磁材料的晶粒度与巴克豪森噪声的强度和波形特征参数之间的关系。 - This paper introduces the principle of PPG, photoelectric sensor, the extraction method of pulse waveform characteristic information and some application of volume pulse wave in cardiovascular function monitoring.
本文介绍了PPG的测量原理、光电传感器、脉搏波的特征信息提取方法，并概述了光电容积脉搏波法在评价心血管功能方面的研究。 - Finally using the neural network method to extract the wear particle image waveform characteristic and realize automatically distinguishing the wear particle image.
最后使用神经网络方法提取磨粒图像波形特征并且实现磨粒图像的自动识别。 - Fault location for fuel injection device according to waveform characteristic of injection pressure
根据喷油压力波形特征判断燃油喷射装置故障部位 - The basic theory and design methods of prototype waveform interpolation and characteristic waveform interpolation are presented and their recent development is discussed in detail, and the direction and future works of the research field are also offered.
介绍了原型波形内插和特征波形内插算法的基本原理及其实现方法，详细描述了原型波形内插和特征形内插语音编码技术的研究进展情况，并提出了今后的研究方向。 - Based on the fractal theory, a random model to describe the partial discharge pulse waveform is established, and the fractal dimension ruler variable is introduced to extract the characteristic from PD signals.
基于分形理论，建立了描述局部放电脉冲波形的随机模型，提出用分维尺度变化量为特征识别局部放电信号。 - When fault occurs, zone I distance relay calculates the waveform factor of fault current in real-time and adjusts its setting value according to the waveform factor, no longer adopting the inverse-time characteristic.
故障发生后，实时计算波形系数，并根据波形系数自适应地调整保护的整定值，使保护更好地适应系统的故障状况，而不再采用按时限逐步开放保护范围的做法。 - Through the measurement for pressure waveform in high pressure oil tube, the characteristic parameters for trouble shooting of fuel feeding system are derived and a comprehensive comparative diagnosis is presented in this paper.
本文通过对高压油管压力波形的测定，提取了有关诊断供油系统故障的特征参数，提出了一种综合比较诊断方法。 - Effect of waveform control parameters on GMAW welding characteristic
波控参数对GMAW焊接性能的影响 - The results show that the method has few influence on the static point of the circuit and the frequency stabilization degree of the output AC waveform is high, making this circuit have better linear tuning characteristic.
结果表明，这种方法对电路的静态工作点影响很小，输出交流波形的频率稳定度高，有良好的线性调谐特性，达到了预期的效果。 - Device interface component can shield low-level hardware, thus achieves the separation of top application design and bottom hardware, and Implements the waveform application characteristic of platform-independence, portability and versatility.
设备接口组件对底层硬件的屏蔽能够实现上层应用设计与底层硬件的分离，从而实现软件波形的跨平台性、可移植性和通用性特点。 - Conclusions The special kind of waveform may be characteristic wave of sounds from anterior disc displacement with reduction of TMJ, which is useful for assistant diagnosis of anterior disc displacement with reduction in clinic.
结论这种波形可能是可复性关节盘前移位关节杂音的特征波形，声电图检查可能是一种临床辅助诊断TMJ盘前移位的新方法。 - Starts form the comparison of two waveform's similarity, and combined with the characteristic of random noise, this paper gives a method to calculate the correlation radius.
从比较两个波形相似性出发，结合地震勘探工作中随机干扰的特点，提出了计算相关半径的方法。 - Then the sync technology of TH-PPM UWB 、 DS-BPSK UWB system including time-domain waveform 、 spectrum characteristic 、 the architecture of a receiver and the impact each sync request have on system performance are analyzed and deduced.
然后具体分析和推导了跳时脉位调制、直接序列扩频相位调制的时域波形、频谱特性、接收机结构以及各种同步要求对系统性能的影响等相关知识。 - According to the developing process of different discharges and waveform characteristic of current pulse, it could be shown that the partial discharge in oil paper insulation is similar to the discharge in air.
通过考察不同类型放电的发展过程和电流脉冲的波形特征，发现油纸绝缘中产生的局部放电与空气中的放电过程表现出相似的发展规律。 - This paper first states the basic principle of constraining transient state short current. Base on the constraining waveform's characteristic, three main constraining parameters ( the constraining time, the width of constraining pulse width modulation pulse and the current after constraining) are put forth.
首先阐述了瞬短抑制的基本原理，针对其电流波形的特点提出了三个主要抑制参数，即瞬短抑制时间、瞬短抑制PWM脉宽和瞬短抑制后的电流。 - FW Lidar systems have already proved a great potentialities and advantage in forest related applications. The processing of waveform data can gather more forestry characteristic information, which is important to forest structure extraction, vegetation type and tree species classification study.
波形激光雷达在林业应用中有着巨大的优势，通过波形数据的处理可以获得林区更多的特征信息，这对森林结构参数提取、植被类型划分、树种分类等研究是十分重要的。 - The theoretical basis of waveform synthesis is analyzed systematically, and the characteristic and the application of waveform synthesis are researched, the frequency coupling process based on MTFS is described in detail.
系统分析了波形合成的理论基础，研究了波形合成的特点及应用，详细介绍了基于多级音叉频率耦合过程。 - The system is to identify the waveform from the characteristic parameters of the waveform and waveform trend, the waveform recognition has better results than the traditional algorithm.
该系统以一种特殊场合产生的波形为识别目标，从波形的特征参数和趋势两个方面来识别波形，比传统的波形识别算法有更好的效果。 - This method plays an important role in acquiring complete AE waveform and further feature extraction. ( 3) Wavelet characteristic power spectrum coefficient and feature vector are proposed for extracting the signal feature. Furthermore, neural network recognition method based on wavelet feature vector is also proposed.
提出了小波特征能谱系数和特征向量的信号特征提取方法，以及基于小波特征向量的神经网络识别方法。 - According to the actual output waveform by power supply, the characteristic of dual pulse output and the phenomenon of electromagnetic in high-frequency output was analysed.
根据电源实际输出波形分析了双路脉冲输出特性及高频输出时的电磁振荡现象。 - It is very effective on overvoltage accident analysis of power grid and improvement of insulation coordination for power system by online monitoring power system overvoltage to obtain waveform and characteristic parameters.
对电网过电压进行在线监测，实时获取电网过电压波形及其特征参数，在分析电网事故原因、改进电网绝缘配合等方面具有十分重要指导作用。 - Include: Waveform, Amplitude characteristic and Frequency characteristic of response in AC sine wave excitation; Waveform of response in square impulse excitation; Temperature characteristics of response in AC sine wave excitation.
主要包括：交流正弦激励下响应的波形、幅值特性和频率特性；方波脉冲激励下的响应波形；交流正弦激励下响应的温度特性。