一是用阈值法对脉搏信号进行滤波处理。
The first method is adopted through setting up threshold value.
脉搏信号携带有丰富的人体健康状况信息。
A lot of information including the status of health of the human body is in pulse signal.
应用快速傅立叶变换方法对脉搏信号进行了分析。
The pulse signals were processed by using the fast Fourier transforms.
前言： 目的：根据脉搏信号的波形特征早期诊断动脉硬化。
Objective:To make a diagnosis as arteriosclerosis according to characteristics of the pulse wave.
根据人体脉搏信号特征，本文设计了一种脉搏波动频率测量系统。
According to the characteristics of the human pulse signals, a pulse fluctuation frequency measurement system is designed.
结果获得了脉搏信号的功率谱，并对功率谱特征进行了分析和比较。
Results the power spectra of pulse signals were obtained, the power spectral characteristics were analyzed and compared.
实验表明本系统运行稳定，对脉搏信号分析和处理取得了预期的效果。
Experiments show that the system is stable and the desired results of pulse signal analysis and processing are obtained.
实验结果表明该算法的可行性，为脉搏信号的进一步分析提供了依据。
The experiment results show that this method is effective, supplies further basis to analysis pulse wave.
人体脉波源于心动，通过对脉搏信号的检测可以获得脉搏波的特征参数。
Pulse wave is Source to the heart movement . Though the measure of pulse graph We can get the characteristic parameters.
还概述了与本文一些相关的理论，如脉搏信号的特点，常见的信号处理方法等。
And we summery some related theories of this paper, such as the characteristics of pulse signals, familiar signal processing method etc.
为了对检测对象进行精确的测量，采用了小波变换方法对脉搏信号进行识别和处理。
In order to measure signal exactly, we use Wavelet Transform to identify and disposal the pulse signal. It gave a reasonable application of NI Measurement Studio.
本文旨在设计全新的便携式自动化脉搏诊断系统，进行人体脉搏信号的采集与分析。
This paper aims to design a new and portable pulse diagnosis system for the collection and analysis of the pulse signals.
选用高精度的脉搏传感器，将脉搏信号转换成电信号，并对信号进行放大滤波处理。
With high precision pulse sensors being chosen properly, pulse signals are transformed to electric signals, then enlarged and filtered.
首先介绍了脉搏的脉动特征，而后描述了心血管系统模型，脉搏信号检测和频域分析方法。
It is narrated the characteristic information of the pulse and the model of vascular system and the way of detecting and analyzing the pulse in the frequency field.
提出的过零点检测算法，较好解决了脉搏信号时域特征点参数多，分析复杂，误差较大的问题。
The algorithm of measuring zero-crossings can better solve the problems that the characteristic parameters of the pulse signal are complicated in the time field and the measuration errors are greater.
分析了正常人脉搏信号的小波域特征，发现脉搏信号的时域特点严格对应于其小波变换的过零点。
The zero-crossing of the wavelet transform of the normal personpulse-wave is found out as a fact that its wavelet transform coefficientscorrespond strictly to its time field characteristic.
分析了正常的人脉搏信号的小波域特征，发现脉搏信号的时域特点严格对应于其小波变换的过零点。
The zero-crossing of the wavelet transform of the normal person pulse-wave is found out as a fact that its the wavelet transform coefficients correspond strictly to its time field characteristic.
该文应用新型脉搏图像化检测装置采集脉搏动态图像，提出利用图像差分的方法获取多点脉搏信号。
By adopting the pulse image detecting instrument, the dynamic image of pulse is collected and the method of acquiring the multi-point pulse waves from image difference value is presented.
脉搏信号微弱、敏感、易受干扰，因此为了消除脉搏测试中的各种噪声，设计了隔离电路和多重滤波电路。
Weak pulse signal, sensitive, vulnerable to interference, in order to eliminate the noise pulse test, the isolation circuits and multiple filter circuit design.
该系统界面友好，操作简单，数据处理能力强，实现了脉搏信号的采集，脉搏波形的实时显示、回放等功能。
The system interface is friendly and the ability of data processing is strong, and meanwhile it is easy to operate which achieves the acquisition, real-time display and playback of pulse signals.
在单个CCD摄像头固定的情况下，建立投影几何模型，计算所获取的动态图像上特征点的空间位移，得到时域上连续的脉搏信号。
The continuous pulse waves are obtained in time domain by calculating the space displacements of the feature points on movement image with single CCD camera.
第二章介绍了系统的总体设计方案，它主要由脉搏信号预处理、信号放大、低通滤波、AD转换、串行通信、波形显示等几部分组成。
It introduces the overall design of the system in chapter two, formed mostly with precondition of pulse, enlarge signal, Low-Pass Filter, AD Conversion, Serial Communication, waveform showing etc.
其次应用现代谱估计方法中的参数谱估计对两类脉搏信号的AR参数谱最大值对精神疲劳前后状态进行识别，分类正确率达到90%。
Mental fatigue identification is also applied the morden signal processing method, through applying the maxim value of AR parameter spectrum, the accurate rate of the two patterns can reach 90%.
它们所能记录的脉搏、呼吸、皮肤温度和其它信号，只能提示某人在回答一个非常不利的问题时似乎有些紧张。
All they record are pulse, respiration, skin temperature, and other signs that may suggest whether someone seems nervous when asked a damning question.
通过增加脉搏波采集电路和信号处理电路，扩展短余辉电子示波器的测量功能。
The measuring function of short persistence oscillograph can be extended by adding pulse wave collecting circuit and signal processing circuit.
通过脉搏传感器时刻检测老人的身体状况．利用GPRS传送异常信号及GPS实时定位，实现老人的一体化监测。
With the help of pulse sensors to check up the elderly's physical fitness by GPRS transmitting abnormal signal and GPS realtime positioning to achieve monitoring integration for the elderly.
针对脉搏波信号处理的难点，提出了一种基于数学形态学的脉搏波信号预处理方法，并分析了脉搏波信号特征及数学形态原理。
A new signal pre-processing method of pulse wave based on mathematical morphology theory is presented according to the difficulties of pulse wave signal pre-processing.
脉搏波作为人体基本的生理信号，蕴含有丰富的心血管参数，并且能够通过无创的方法进行检测。
The pulse wave which is human's basic physiology signal implicates rich cardiovascular parameter and can be examined through the noninvasive method.
目的介绍脉搏波信号无创伤采集系统应用。
Objective Introduce a means to collect fingertip pulse wave in an unscarred means.
目的采样得到的脉搏波信号信噪比较低，这给后续研究带来了困难，因此消除噪声的干扰是准确进行相关医学测量的关键前提。
Objective The directly sampled pulse wave signals have always a low signal to noise ratio, which leads to difficulties in the following research.
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