搜索资源列表
窗函数及其对信号频谱的影响
- 掌握几种典型窗函数的性质、特点,比较几种典型的窗函数对信号频谱的影响。 -grasp some typical window function of the nature, characteristics and several typical window function of the signal spectrum impact.
hosa1
- 信号与系统基础知识包括连续信号与模型、离散信号与模型;常用信号变换包括Z变换、Chirp Z变换、FFT变换、DCT变换和Hilbert变换等;离散系统结构包括IIR、FIR和Lattice结构;IIR滤波器设计包括模拟和数字低通、高通、带通与带阻滤波器设计,以及基于冲激响应不变法和双线性Z变换法的IlR滤波器设计等;FIR滤波器设计包括基于窗函数、频率抽样法和切比雪大逼近法的FIR滤波器设计;平稳信号分析包括经典功率谱估计、基于参数模型的功率谱估计和基于非参数模型的功率谱估计;非平稳信号分析包
math
- 一些数学处理函数,包括:用窗函数方法设计线性相位FIR数字滤波器、归一化最小均方(LMS)算法的自适应数字滤波器
Analysis
- 完成经济型片上数采系统所需的分析功能,目前暂定为 FFT,各种窗函数,以后待硬件完善后再继续添加-economic unit completed several mining system for the analysis function, tentatively scheduled for FFT, Window functions, beyond question hardware continue to improve after adding
window
- 加窗函数的labview谐波检测文章,内涵程序框图设计及运行前面板-Windowed function LabVIEW harmonic detection articles, meaning program diagram design and operation of front panel
second3
- 窗函数法设计的带通滤波器。仅供新手参考的呦-filter
ENFRAME
- 语音的分帧程序,很好用,支持各种窗函数,在语音处理中很有用-This is a matlab programe which can divide voice into several frames
enframe
- 这是一个窗函数分帧函数,它在melcepst这个函数中被调用。(当然也可以用在平常的分帧)-This is a window function and sub-frame function, it melcepst this function is called. (Of course, can also be used in the usual sub-frames)
Doc7
- 设计滤波器的各种窗函数的源代码,非常有用,和大家分享,快来下载学习哦-A variety of window functions designed to filter the source code, very useful to share, come to learn oh download!!
liue
- 用窗函数法设计线性相位FIR低通滤波器。要求通带截止频率ωc=π/4,单位脉冲响应h(n)的长度N=23。绘出h(n)及其幅频响应特性曲线-Window function with linear phase FIR design a low pass filter. Required pass-band cutoff frequency ωc = π/4, unit impulse response h (n) of length N = 23. Plot h (n) and frequency
chuanghanshu
- 这是整理的,在ASK通信中所需要的各种窗函数的部分源代码-This is the finishing, in the ASK communication needed in various parts of the source code window function
SimulinkFSK
- 题目要求: 1.录制一段自己的语音信号,并对录制的信号进行采样; 2.画出采样后的语音信号的时域波形和频谱图; 3.给定滤波器的性能指标,采用窗函数法和双线性变换法设计滤波器, 并划出滤波器的频域响应; 4.用该滤波器对采集的信号进行滤波,画出滤波后信号的时域波形和频谱, 并对滤波前后的信号进行对比,分析信号的变化; 5.回放语音信号; 6.设计一个信号处理系统界面。-Subject to: 1. Recorded his voice for so
BasedonMATLABspeechsignalspectrumanalysisandfilter
- 录制一段个人自己的语音信号,并对录制的信号进行采样;画出采样后语音信号的时域波形和频谱图;给定滤波器的性能指标,采用窗函数法和双线性变换设计滤波器,并画出滤波器的频率响应;然后用自己设计的滤波器对采集的信号进行滤波,画出滤波后信号的时域波形和频谱,并对滤波前后的信号进行对比,分析信号的变化;回放语音信号-The individual' s own record a voice signal, and the recorded signal is sampled draw sampled
window
- 程序包含了语音处理中加窗函数的过程,包括了多种窗函数,实验有效。-Voice processing program includes the process of adding the window function, including a variety of window function, experimental effective.
Voice-signal-digital
- 语音信号的数字滤波 fir数字滤波器的海明窗函数设计-Voice signal digital filter fir digital filter design of the Hamming window function
yuyingfenxi
- 录制一段自己的语音信号,时间为10s左右,并对录制的信号进行采样;画出采样后语音信号的时域波形和频谱图;采用窗函数法或双线性变换设计滤波器,并画出滤波器的频率响应;然后用自己设计的滤波器对采集的语音信号进行滤波,画出滤波后信号的时域波形和频谱,并对滤波前后的信号进行对比,分析信号的变化;回放语音信号.-Record a voice signal their time was 10s or so, and the recorded signal is sampled draw sampled s
The-FIR-filter-design
- (附带有文档,文档中有方案,有程序有结果,设计完后对一段语音进行处理)给定滤波器的规一化性能指标(参考指标,实际中依据每个同学所叠加噪声情况而定)通带截止频率wp=0.25*pi。 采用窗函数法设计低通、高通、带通型FIR滤波器,对叠加噪声前后的语音信号进行滤波处理,绘出滤波器的频域响应,绘出滤波后信号的时域波形和频谱,并对滤波前后的信号进行对比,分析信号的变化;在相同的性能指标下比较各方法的滤波效果,并从理论上进行分析-(With the document, document, program
chengxu
- 进行数字滤波器的设计,滤波器的性能指标可以根据实际情况作调整, 要求用窗函数法和双线性变换法设计以下三种数字滤波器: -Digital filter design, the performance of the filter can be adjusted according to the actual situation, the three digital filters using the window function method and the bilinear transf
FIRlvboqi
- 有限冲击响应模拟滤波器,可自行设计滤波器类型,拓扑结构、高、低截止频率 增益、窗函数等等,滤波效果好。-Limited impact response analog filter, can to design filter types, topology structure, high and low cut-off frequency Gain, window function and so on, filtering effect is good.
fir
- fir滤波器的主要程序,关于窗函数的。有海明窗-The main procedures of FIR filter