心电信号的预处理和波形检测是心电自动分析诊断系统的关键问题,直接决定着诊断与治疗心脏病的效果。
Signal preprocessing and waveforms detection for ECG are the key of the ECG monitoring diagnosis system for diagnosis and therapy.
在桩身的动态无损质量检测中,关键问题是根据波形分析判断桩中各种缺陷的准确位置和程度。
In dynamic nondestructive inspection for pile quality, it is a key problem to determine exact location and degree of various defects according to wave analysis.
对检测信号波形特征的分析可作为缺陷定量判断的可行途径。
Therefore, it is a feasible way to analyze the wave features of the test signals for quantitative judgement of defects.
该系统由硬件检测电路和相关软件组成,具有信号采集、波形显示、数据统计分析、曲线拟合及数据存储功能。
The system was composed of hardware inspecting circuit and related software, and possessed signal sampling, waveform showing, statistical analysis of data, curve repaint and data storing function etc.
目前,国内外对MIMO雷达的研究主要集中在有源mimo雷达DOA估计、目标检测性能分析和波形设计与多通道信号模型等方面。
Nowadays, studies on MIMO radar mainly focus on DOA estimation, target detection performance analysis, waveform design and multi-channel signal modeling of active radars.
提出了将模糊波形分析应用于恶劣环境下的液位检测的方法,并给出了参数自适应控制的算法。
This paper proposes a method of measurement of liquid level in abominable condition using fuzzy wave-form analysis, then gives a algorithm of parameter self-adaptive control.
锚杆在地质工程中应用比较普遍,本文介绍某水电站工程水泥砂浆锚杆质量检测中典型的波形及锚杆质量分类分析方法。
This paper introduces the typical curves and the method of analysis on detecting quality evaluation of the cement mortar anchor bars.
浅海环境下主动声纳具体信号形式尤其是宽带多卜勒敏感信号波形结构特点分析与检测技术是本论文研究的主要内容。
In this thesis, the signal waveforms of an active sonar in shallow waters are studied, in particular, the structure of wideband Doppler sensitive signals are emphasized.
采用探地雷达对试件进行了检测,对数据进行了波形分析、2D切片和3D成像处理,并把检测结果和试件模型作了对比分析。
The samples are surveyed by GPR and the data is analyzed by wave, 2D and 3D technique . And the testing results is compared with the sample models.
对航空直流起动发电机的电枢电流波形进行频谱分析可有效地对电机的故障进行检测和诊断。
Faults in aero starter generator by analyzing the spectrum of motor armature current could be effectively detected and diagnosed.
探讨了机载PD雷达MPRF波形设计的原则,并计算了距离-速度盲区,最后,分析了检测精度对解距离模糊的影响。
This paper discusses the principle of MPRF wave-form design for airborne PD radar, and the range-velocity blind zone is calculated.
详细分析了波形分析法的工作原理,并提出检测判据,最后通过试验证实了文中方法的正确性。
This paper discusses the principle of waveform analysis method in details and presents the detecting criterion. Experimental tests verify the correctness and feasibility of the proposed method.
采用线性分析和模糊模式识别理论,对动态心电图QRS波形进行检测和分析的算法进行了语法描述,并在此基础上给出了心率失常分析系统实现的具体方法。
A linear analysis and pattern recognition method to detect and analyze dynamic cardiogram QRS wave are applied I this paper and an effective method for HRW analysis system is introduced.
分析了下桥臂调制方式下绕组端电压波形,并基于此介绍了反电势法检测转子位置原理。
Voltage waves are deduces on lower bridge arm PWM modulation and theory of rotor position detection based on EMF is introduced.
为检测局部放电快速变化的脉冲电流波形及根据波形进行放电模式识别工作,研制了一套数字测量与分析系统。
A digital detection and analysis system was developed to record the partial discharge pulse and to recognize different patterns.
最后对试验波形进行了分析,表明此种方法用于检测高压输电线的外部铝导线是可行的。
The experiments indicate that it is feasible to use the eddy current methods to detect the outer aluminum wires of the tran...
详细分析了波形分析法的工作原理,并提出检测判据,最后通过试验证实了文中方法的正确性。
This paper discusses the principle of waveform analysis method in details and presents the detecting criterion. Experimental tests verify the correctness and feasibility of the proposed me...
本文分析了其中有代表性的部分检测结果,讨论了电刀的不同工作模式与波峰因子之间的关系,并提出可以将波峰因子作为高频电刀输出波形质量性能的检测指标。
In this paper, we analyze some of the typical test data and discuss the relationship between the work mode and crest factor. Furthermore, we propose to use crest factor as a test I...
本文分析了其中有代表性的部分检测结果,讨论了电刀的不同工作模式与波峰因子之间的关系,并提出可以将波峰因子作为高频电刀输出波形质量性能的检测指标。
In this paper, we analyze some of the typical test data and discuss the relationship between the work mode and crest factor. Furthermore, we propose to use crest factor as a test I...
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