搜索资源列表
HarmonicWaveletAnalysis
- 微弱振动信号的谐波小波频域提取，实现了强噪声下微弱周期振动信号的频域提取。-Harmonic Wavelet Analysis of the weak vibration signal frequency domain to extract, weak periodic vibration signal in the frequency domain to extract the strong noise.
quzao
- 主要是用于心电信号的去噪，对于噪声下的微弱电信号的一种提取-For ECG denoising, extract a weak signal in the noise
xyjc
- 阐述了心音信号的产生机理、组成成分以及人体微弱心音信号检测的关键技术, 介绍了心 音信号处理技术在心血管疾病无创诊断中的意义。-Described the mechanism of the heart sound signal, the composition as well as weak human heart sound signal detection technology, introduced invasive diagnosis of heart sound signal pr
THERMOMETER
- 本文设计了一种非接触测量体温计。该体温计利用GE公司的红外热电堆温度传感器ZTP-101L实现对温度信号的非接触测量。微弱的电压信号放大采用低失调、低漂移、高精度的集成仪用运算放大器AD620。模数转换用自带ADC的16位单片机MSP430F149。本文从硬件技术和软件方法上详细阐述了该仪器的实现手段-Design a non-contact measurement thermometer. ZTP-101L, the thermometer using GE infrared thermopi
DPLL_REASERCH
- 本课题研制了一种宽频带的数字锁相放大器，可以完成自动增益和相位 可调整，最长积分时间为100s，适合于频率从10Hz到10kHz，幅值从100nV 到10mV的微弱正弦信号检测。测量结果表明，当采样点数N大于8192时， -This project developed a wideband digital lock-in amplifier, can be completed automatically adjustable gain and phase, the longes
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- 齿轮箱早期的故障信号往往十分微弱,信噪比低,这大大限制了已有诊断方法在早期诊断中的应用,因此如何获取真实的振动信号是提高齿轮箱早期故障诊断质量的关键,独立分量分析(ICA)为此提供了一种新的思路。文 中研究了ICA在齿轮箱故障早期诊断中的应用,首先分析了齿轮箱的混合振动信号模型,然后针对具体的轴承故障进行了实验,并使用快速ICA算法分离出轴承的振动信号-The early gearbox fault signal is often very weak, low signal-to-noise
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- 为了采集准确的心电信号，设计了一套基于瞬时心率信号抗干扰测量的方法，针对微弱并易受干扰的心电采样信号，进行有效地硬件以及软件滤波，通过软件数字滤波算法，得到真实的心率信号-Set based on the instantaneous heart rate signal immunity measuring method to collect accurate ECG, ECG sampling signal for the weak and vulnerable to interference,
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- 调制与解调用于随机共振的微弱周期信号检测,随机共振经典论文-failed to translate
ADC
- 主要针对ARM STM32F103RBT6 实现ADC转换，对生理信息进行采集，将微弱生理信号转换为数字信号。-Mainly for ARM STM32F103RBT6 AD converter has been verified through, small batch production.
signal-detection.
- 基于Duffing振子的微弱正弦信号检测。-The weak sinusoidal signal detection based on Duffing oscillator.
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- 滚动轴承故障诊断是机械故障检测中一个重要方面。使用小波包分析和包络分析相结合的方法提取轴承微弱振动信号, 克服了传统包络分析方法易丢失信号有效成分的缺点。包络信号的细化谱较好体现了轴承故障信息。-Bearing Fault Diagnosis of mechanical fault detection in an important aspect. The use of wavelet packet analysis and envelope analysis method of combini
duff_for_sin
- 基于maglab/simulink平台设计的利用duffing振子检测微弱正弦信号，非常好的一个源程序，自己亲自调试，运行在matlab2012b上没有问题，仿真步长0.01s,采用RK四阶算法。若有问题，欢迎指教-Based maglab/simulink platform using duffing detect weak sinusoidal oscillator signal, a very good source, personally commissioning, operation
MED-AND-SANC
- 用于滚动轴承微弱故障信号的诊断的方法：最小熵反卷积程序、自适应消噪法处理轴承信号、美国西储大学轴承数据处理等5个源文件-Fault diagnosis for rolling bearing weak signal approach: minimum entropy deconvolution procedure, adaptive noise cancellation treatment bearing signals, Case Western Reserve University, Uni
chao
- 在混度背影下，采用ELM,RBF等算法预测微弱瞬态信号的对比-In the mix of the back, the use of contrast ELM, RBF algorithm to predict weak transient signals
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- 微弱正弦信号在有噪声的FN神经元模型中的传输特性研究-Transmission properties of weak sinusoidal signal in a noisy FN neuron model
Wavelettransformgearpittingfault
- 利用小波的消噪功能检测微弱的故障突变信号。-Using wavelet denoising function mutation detection of weak signals fault.
AD8232
- AD8232是一款用于ECG及其他生物电测量应用的集成信号调理模块。该器件设计用于在具有运动或远程电极放置产生的噪声的情况下提取、放大及过滤微弱的生物电信号。该设计使得超低功耗模数转换器(ADC)或嵌入式微控制器能够轻松地采集输出信号-The AD8232 is an integrated signal conditioning block for ECG and other biopotential measurement applications. It is designed to ext
TIZHENmethod
- 心脏向外泵血引起与心跳同步的身体的震动,产生体震信号,其规律与心率相关,可在脊椎轴上通过敏感的力传感器检测出来.体震信号微弱且易受干扰,针对此特点设计了传感器电路和信号处理电路,说明了检测方法.所获得的原始体震信号先经预处理去除噪声,再应用模极大值算法得到每个心动周期中的峰值点,最后求得心率.采集体震信号时,同步采集一路单通道心电信号作为基准,评价测量的准确性.实验结果表明,基于体震信号的心率测量方法获得了良好的效果.-The heart to pump blood out of the bod
m-sequence-detection
- 基于m序列编码信号的水下微弱目标检测方法。研究水下微弱目标检测的匹配滤波器方法；m序列编码信号的微弱目标检测性能-Based on m sequence coding signal of underwater weak target detection method. Study of matched filter method of underwater weak target detection M sequence encoding signal of weak target detec
Soft-threshold-denoising
- 复杂噪声背景下，微弱振动信号去噪方法之小波包软阀值去噪-Complex noise background, the weak vibration signal denoising method of wavelet package soft threshold denoising