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C51_shuziyubosuanfa
- 这是基于MCS51的软件抗干扰数字滤波算法,包括CRC校验算法、加权滤波算法、脉冲干扰抑制算法、滑动滤波算法等。对MCS51信号采集大有用处。其中CRC校验、滑动滤波算法在笔者的心电呼吸信号科技计划项目中应用,取得了较好的效果-MCS51 This is based on the anti-jamming software digital filtering algorithms, including CRC algorithm, weighted filter, pulse interfere
ECGyuchuli
- ECG心电信号预处理,高通滤波器,滤除呼吸基线漂移,带阻滤波器,滤除工频干扰,并两组滤波器的处理速度进行比较-ECG signal preprocessing, high-pass filter, filter respiratory baseline drift, band stop filter, filter frequency interference, and two filters to compare the processing speed
EGC
- 本次实验是运用不同的方法来设计两组滤波器对数据中的EGC信号进行滤波,滤除工频干扰、肌颤噪声和呼吸基线漂移。并分析用不同方法设计的两组滤波器哪一组比较适用于实际应用需要。-EGC
slp
- 利用频域变换方法滤波提取呼吸信号:先求解出心电信号的频率,然后低通滤波获得呼吸信号之后,反变换-Frequency-domain transformation method to extract respiration signal filtering
lvbo
- 利用了一种特定的kaiser窗函数设计的FIR滤波器进行滤波,得到呼吸信号。-Use of a specific kaiser window function design of FIR filters for filtering, the signal to be breathing.
Extracted-from-the-ECG-signal-
- 这篇关于从心电信号提取呼吸信号的调查,一共介绍了三种方法,即:频率提取,滤波器滤波,小波变换,三种方法。-This extract on the respiratory signal from ECG investigation, presented a total of three methods, namely: the frequency extraction filter filtering, wavelet transform, three ways.
filters-used-to-heart-noise
- 读取心电数据,画出心电数据的波形和频谱图,观察心电数据的频率段范围 2.分别添加以下噪声(至少3种),画出噪声信号的频谱图,验证设计的噪声是否符合要求 (1)基线漂移 基线漂移通常为频率非常非常低的噪声信号,添加了基线漂移后的心电信号可以观察到原始信号整体的上下浮动 (2)高频噪声 高频噪声可以设计为大于100Hz的随机信号 (3)呼吸噪声 人体的呼吸带来的干扰大约在0.1Hz~0.25Hz (4)50HZ工频信号干扰(必做) 50Hz工频信号
myproject_Haswall5
- 穿墙雷达人体呼吸检测,是生命体探测的热门研究方向,本程序用matlab仿真,模拟频率步进雷达的探测方法,通过MTI滤波滤除墙体回波,通过FFT相干积累获取人体呼吸频率-Through-wall radar to detect human breath, is a living body to detect a hot research direction, the procedures used matlab simulation, simulation stepped frequency ra
心电滤波处理程序代码
- 对于压电薄膜类传感器生成的心电信号做数字信号处理,得到心率及呼吸率等生命体征参数(The ECG signals generated by piezoelectric thin film sensors are processed by digital signal processing, and the vital parameters such as heart rate and respiratory rate are obtained)
STFT
- 雷达原始信号,通过设计的汉宁窗滤波器+STFT得到瞬时频率以及滤波后的呼吸心跳的波形图显示(The original radar signal is obtained by Hanning window filter + STFT to obtain the instantaneous frequency and the waveform of the filtered breath and heartbeat)