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基于matlab设计线性相位fir滤波器的程序 急!万分感谢

永康看射精障碍 2018-12-04 02:48:33 325  浏览
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基于matlab设计线性相位fir滤波器的程序 急!万分感谢
 
2018-12-04 02:48:33 325 0
线性相位FIR滤波器有几种类型
 
2012-06-21 00:25:10 322 2
matlab中设计fir滤波器
 
2011-11-30 15:44:48 274 3
MATLAB中FIR滤波器如何设计
 
2017-09-03 07:45:45 328 1
matlab fir滤波器
 
2011-09-08 05:04:49 293 3
matlab 中使用fir滤波器后相位延迟如何补偿?
 
2012-04-16 05:37:28 381 3
急求,matlab自适应滤波器的程序
 
2007-06-11 18:54:50 509 1
在设计FIR滤波器,用matlab生成FIR滤波器的抽头系数,怎样将其转换成整数?
我的FIR滤波器是16阶窗函数法,输入输出都是12位 我知道在matlab里是用 round(Num*(2^X))处理 但是不知道对所乘的2的幂需要满足什么条件,即,不明白X=?
2012-05-07 14:15:18 224 1
matlab怎么调用fir滤波器的函授
 
2016-07-04 13:40:23 300 1
基于RLS算法和LMS的自适应滤波器的MATLAB程序
 
2011-02-10 03:36:07 414 2
跪求,英语翻译,万分感谢!!!急急急!!!
In this study, active reforming catalysts for use of gasification of biomass compounds in aqueous medium were developed by depo-sition of platinum on various supports (activated carbon, titanium dioxide, alumina, single-walled and multi-wal... In this study, active reforming catalysts for use of gasification of biomass compounds in aqueous medium were developed by depo-sition of platinum on various supports (activated carbon, titanium dioxide, alumina, single-walled and multi-walled carbon nano-tubes, graphene oxide and tungsten oxide-zirconium oxide) using nanotechnological approaches in supercritical carbon dioxide media. The effects of supports and platinum reduction methods have been investigated to optimize the catalytic activity of sup-ported platinum catalyst for hydrogen-rich gas production by aqueous-phase reforming of wheat straw biomass hydrolysates and glucose solution. 展开
2013-04-23 12:18:38 219 2
基于matlab数字滤波器的设计
 
2018-05-09 11:31:52 352 1
椭圆低通滤波器基于matlab设计程序如下,求每句注释
%连续信号的产生及采样 clear Fs=100; t=(1:100)/Fs; s1=sin(2*pi*t*5); s2=sin(2*pi*t*15); s3=sin(2*pi*t*30); s=s1+s2+s3; plot(t,s); xlabel('时间(s)'); ylabel('幅值'); grid; %椭圆低通滤波器的设计 [b,a]=ellip(5,0.1,40,5*2/Fs); [H,w]=freqz(b,a,51... %连续信号的产生及采样 clear Fs=100; t=(1:100)/Fs; s1=sin(2*pi*t*5); s2=sin(2*pi*t*15); s3=sin(2*pi*t*30); s=s1+s2+s3; plot(t,s); xlabel('时间(s)'); ylabel('幅值'); grid; %椭圆低通滤波器的设计 [b,a]=ellip(5,0.1,40,5*2/Fs); [H,w]=freqz(b,a,512); plot(w*Fs/(2*pi),abs(H)); xlabel('频率(Hz)');ylabel('频率响应图'); grid; %对滤波后的信号进行分析和变换 sf=filter(b,a,s); plot(t,sf); xlabel('时间 (s)'); ylabel('幅值'); axis([0 1 -1 1]); S=fft(s,512); SF=fft(sf,512); w=(0:255)/256*(Fs/2); plot(w,abs([S(1:256)' SF(1:256)'])); xlabel('频率(Hz)'); ylabel('傅立叶变换图'); grid; legend({'before','after'}); 展开
2012-06-23 12:02:12 377 2
急!!!谁能帮我翻译一下?万分感谢!
Definitions: APQP ASDE BOM EPR ESWP Advanced Product Quality Planning Advanced Supplier Development Engineer Bill of Material Early Program Review Early Sourcing Work Plan. A report including Commodity Classification (Metals,... Definitions: APQP ASDE BOM EPR ESWP Advanced Product Quality Planning Advanced Supplier Development Engineer Bill of Material Early Program Review Early Sourcing Work Plan. A report including Commodity Classification (Metals, Non- Metals, Electrical/electronics), source-required dates, cost targets, and production tooling kick-off required dates for all purchased components. The document representing the European ESWP is On Track, the NA is PPTM. Procedure # VP-014 LRR On Track PPAP PPTM PSW RPC SDE SOP SPE VPDS vTPS Procedure: Launch Readiness Review European version of the Early Sourcing Work Plan (ESWP) Production Part Approval Process Purchased Parts Tracking Matrix (ESWP/PPTM): The North American version of the ESWP. The ESWP/PPTM is an Access Database maintained by NA Program Purchasing (vTPS) to capture all Forward Model Purchase Component information. Part Submission Warrant Regional Program Coordinator is a function within SPE in Europe and South America. Supplier Development Engineer Start Of Production (sometimes referred to as Job 1) Supplier Performance Engineer (combined ASD and SD Engineer) Visteon Product Development System , PD/Program Management Gateway process used to manage the successful launch of new model programs. The North American data storage system which holds all PPTM/ESWP data. vTPS is an Access Database Responsibility: Process Map/Flowchart (1) Lead: RPC/SPE (EU & SA) (1) Lead – ASDE (NA & Asia) Conduct High Impact Assessment assign ASD / SP engineer on formal W/support from: Program sourcing and / or change of BOM. Buyer PD Engineer Program Manager – All Regions (2) Notes/Deliverables (1) Inputs:  ESWP or local equivalent from VP-040 Project Supply Management Outputs:  High Impact Assessment Form (VF-014a or local equivalent) Notes:  Conduct High Impact Assessment and record results per local work instructions (2) Lead: RPC/SPE (EU & SA) Lead – ASDE (NA & Asia) W/support from: Program Buyer - All Regions, Buyer - All Regions (3) Lead: Program Buyer (NA & EU & Asia) Lead: RPC/SPE (SA) (4) No No (2) Is the part High Impact? (3) Can Supplier achieve PSW Timing? Yes Go to Step # 5. Yes Go to Step # 8. (3) Notes:  Record PPAP status on local tracking system. (4) Hard Copies of This Document are Uncontrolled Page 2 of 4 (4) Acceptable risk to Yes 展开
2008-07-24 01:42:57 546 1
如何用matlab做非因果fir滤波器
 
2016-07-08 05:01:46 349 1
用remez设计FIR低通滤波器问题。matlab
那位高手会设计这个滤波器,滤波器阶数P=50.通带[0,0.4pi].阻带[0.5pi,pi].通带Z大偏差delta1=0.01.阻带Z大偏差0.001.在[0,0.4pi]U[0.5pi,pi]间隔中等间隔采样N=200个点。谢谢!
2011-11-28 22:37:12 391 1
已知9阶||型线性相位FIR滤波器的部分零点:z1=2,z2=0.5j,z3=-j。
数字信号处理 已知9阶||型线性相位FIR滤波器的部分零点:z1=2,z2=0.5j,z3=-j。问:(1)试确定该滤波器的其他特点;(2)设h[0]=1,求出滤波器的系统函数H(z)
2017-11-25 13:54:37 418 1
用matlab设计一个滤波器
数字滤波器设计及在语音信号分析中的应用。 步骤: 1、语音信号采集 录制一段课程设计学生的语音信号并保存为文件,要求长度不小于10秒,并对录制的信号进行采样;录制时可以使用Windows自带的录音机,或者使用其它专业的录音软件,录制时需要配备录音硬件... 数字滤波器设计及在语音信号分析中的应用。 步骤: 1、语音信号采集 录制一段课程设计学生的语音信号并保存为文件,要求长度不小于10秒,并对录制的信号进行采样;录制时可以使用Windows自带的录音机,或者使用其它专业的录音软件,录制时需要配备录音硬件(如麦克风),为便于比较,需要在安静、干扰小的环境下录音。 2、语音信号分析 使用MATLAB绘出采样后的语音信号的时域波形和频谱图。根据频谱图求出其带宽,并说明语音信号的采样频率不能低于多少赫兹。 3、含噪语音信号合成 在MATLAB软件平台下,给原始的语音信号叠加上噪声,噪声类型分为如下几种:(1)白噪声;(2)单频噪色(正弦干扰);(3)多频噪声(多正弦干扰);(4)其它干扰,可设置为低频、高频、带限噪声,或Chirp干扰、冲激干扰。绘出叠加噪声后的语音信号时域和频谱图,在视觉上与原始语音信号图形对比,也可通过Windows播放软件从听觉上进行对比,分析并体会含噪语音信号频谱和时域波形的改变。 4、数字滤波器设计及滤波,完成以下题目中的一个 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)例如:通带截止频率wp=0.25*pi, 阻通带截止频率ws=0.3*pi; 通带Z大衰减Rp=1 dB; 阻带Z小衰减Rs=15 dB,每个题目至少设计出5个用不同方法的不同类型滤波器。 题目(1):采用窗函数法与等波纹法分别设计各型FIR滤波器(低通、高通、带通、带阻中的至少3种类型)来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(或解释)。 题目(2):采用双线性变换法与脉冲响应不变法,分别利用不同的原型低通滤波器(Butterworth型与切比雪夫I型)来设计各型IIR滤波器(低通、高通、带通、带阻中的至少3种类型),绘出滤波器的频域响应;并用这些数字滤波器对含噪语音信号分别进行滤波处理,比较不同方法下设计出来的数字滤波器的滤波效果,并从理论上进行分析(或解释)。 5、回放语音信号 对滤波后的语音信号进行回放,感觉滤波前后语音信号的变化。 6、设计一个语音信号分析与处理系统界面(选作) 利用MATLAB的界面设计功能,设计一个MATLAB环境下的人机交互界面,完成上述滤波器的设计及滤波过程,要求能够接收输入的设计参数,查看设计结果及滤波结果。我的邮箱是471147021@QQ.com 哪位高手知道这方面的问题,给我点提示嘛,或者将答案发到我的邮箱里,谢谢了!!! 展开
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