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19点FIR低通滤波C语言程序
- 这是一个对语音信号(0.3kHz~3.4kHz)进行低通滤波的C语言程序, 低通滤波的截止频率为800Hz,滤波器采用19点的有限冲击响应FIR滤波。 语音信号的采样频率为8kHz,每个语音样值按16位整型数存放在insp.dat文件中。-This c program is a low pass filter for radio signal 0.3kHz-3.4kHz.The stop frequence of this filter is 800hz.This digtal filte
signalask
- 对一个信号进行低通滤波,加噪后再高通滤波,最后恢复成基带信号,进行判决.-signal to a low-pass filtering, noise after high-pass filtering, as the final restoration of base band signal for the judgment.
filter
- % y=filter(sig,fmin,fmax) % 对信号进行理想滤波,可完成低通,带通 % sig为被滤波信号 % fmin为下限频率,当fmin为0时为低通滤波器,当fmin>0时,为带通滤波器 % fmax为上限频率,fmax>fmin % fs为信号的采样频率 % y为经过滤波后的信号 -% Y = filter (sig, fmin, fmax)% of the ideal signal filtering, to be com
code
- 随机产生长度大于1000的‘0’、‘1’信号序列,对其进行BPSK,QPSK,16QAM调制,给出: 1)低通滤波器后的波形(只画10个周期); 2)信号眼图,对其进行讨论(画出5个信号周期); 3)信号带内、带外功率谱密度(低通滤波器参数自定),并对其进行讨论。 -Generated OVSF code
low_pass_filter
- DSP环境下的低通滤波器源码,应用于信号处理,在频域下对信号进行低通滤波-DSP environment, low-pass filter source code, applied to intermediate frequency domain signal processing software algorithms
signal
- 产生一个连续信号,包含低频,中频,高频分量,对其进行采样,进行频谱分析,分别设计三种高通,低通,带通滤波器对信号进行滤波处理,观察滤波后信号的频谱-NI FHHFJSDG
DigitalFilter
- 1.题目:数字滤波器的设计与应用 2.设计要求:利用 Matlab 软件,以复合信号分离为例,对 “数字信号处理” 课程中 的谱分析 、数字滤波器设计和信号滤波这三个过程进行了仿真实现,给出了仿真结果。 3.具体步骤: (1)构造原始信号s(t) (2)画出s(t)的频谱 (3)设计ellipse数字滤波器(IIR),包括低通,带通,带通,并显示幅频特性 (4)用得到的滤波器进行滤波,分离出三路信号,观察时域波形和幅频特性 (5)用三路信号s1,
batewosi
- 该程序主要针对机械等信号进行低通滤波。内包含了一个例子,并对巴特沃思滤波器的主要设计函数进行了详细的说明。-The program mainly for machinery, low-pass filtered signal. Contains an example, and the Butterworth filter is designed primarily for a detailed descr iption of the function.
fir
- 基于FPGA的低通滤波器的设计,仿真环境是QuartusII9.0。对信号进行低通滤波,编程成功。希望对大家有所帮助-FPGA-based low-pass filter design, the simulation environment QuartusII9.0. The signal is low-pass filtering, the programming was successful. We hope to help
123
- 滤除心音噪声,同时保证心音信号不失真。通过窗函数对心音信号进行低通滤波。-to get rid of the noise of heart sound
filter
- 该程序实现对频率为20Hz和200Hz的单频叠加谐波信号进行低通滤波,输出仅有20Hz分量。-This program can do the low-pass filter on a single frequency superimposed harmonic signal with 20Hz and 200Hz and output only 20Hz components.
envelope
- 对数据信号进行希尔伯特包络 低通滤波包络(需要输入信号数据与采样频率)。(The Hilbert envelope low-pass filtering envelope is used for the data signal (the input signal data and the sampling frequency).)
fir_test
- 对输入的原始数据qqqq4444,qqqq4444数据需自己手动输入,进行低通滤波,然后进行快速傅里叶变换,最后算出距离(For input raw data, qqqq4444, qqqq4444 data need to be manually input, low-pass filtering, and then fast Fourier transform, and finally calculate the distance)
ECG
- 对心电信号进行低通滤波去干扰,去除基线漂移。(The ECG signal is filtered to eliminate interference and baseline wander is removed.)
T2F
- 利用matlab软件,实现计算信号的反傅里叶功能,并对信号进行低通滤波(Using matlab software to achieve the calculation of the signal anti-Fourier function, and the signal low-pass filter)
FIR
- FIR数字滤波器:里面包含四部分程序,分别对一个给定的信号进行低通滤波,高通滤波,带通滤波,带阻滤波(程序有详细的注释,适合新手学习FIR型数字滤波器)(FIR digital filter: which contains four parts of the program, respectively, for a given signal low-pass filter, high pass filter, band pass filter, band stop filter (detaile
wav
- 可以实现对自己录制的wav格式声音进行频谱分析时域分析并且加入随机噪音,可播放声音进行对比,自动绘制波形频谱图。最后进行去噪滤波。适合大学生数字信号处理课程实验(It can realize the spectral analysis of the wav format, record the time domain analysis and add random noise. It can play the voice contrast, and automatically draw the
ellipfilter
- 利用椭圆低通滤波器对信号进行滤波,并利用加汉宁窗的插值方法对信号进行了频谱分析(To filter the signal by using the elliptic low pass filter, and the signal spectrum analysis using interpolation method and Hanning window)
轴承信号分析
- 共振解调的过程如下:首先对采集到的信号进行傅里叶变换,然后利用传感器自身的谐振频率进行分析,对滤波后的信号进行包络,包络以后去除了高频部分,得到包络信号,再对改进的包络信号进一步进行低通滤波,最后对最终得到的信号进行傅立叶变换求其频谱图。共振解调的原理及其过程可以用图2 来进行表述。(The process of resonance demodulation is as follows: First, Fourier transform is performed on the collected
语音信号数字水印技术
- 包括原始语音的时域和频域波形,加入水印的语音信号频谱,对水印信号进行低通滤波以及对水印的提取