搜索资源列表
IIR滤波器设计
- 现有一个信号:x(n)=1+cos(π*n/4)+ cos(2*π*n/3)设计及各种数字滤波器以达下列目的: 低通滤波器,滤除cos(2*π*n/3) 的成分,即想保留的成分为1+cos(π*n/4) 高通滤波器,滤除1+cos(π*n/4) 的成分,即想保留的成分为cos(2*π*n/3) 带通滤波器,滤除1+cos(2*π*n/3) 的成分,即想保留的成分为cos(π*n/4) 带阻滤波器,滤除cos(π*n/4) 的成分,即想保留的成分为1+cos(2*π*n/3)
exa020802
- 计算滤波器的冲击响应,阶跃响应,幅频响应和相频响应-calculating the impulse response filter, step response, frequency response and phase frequency response
phase_final
- 用GPIB卡配合matlab测量相频曲线源代码,完整的程序,enjoy it!谢谢!
wednesday_fudu_xiangwei
- 微波视距信道的仿真,程序给出信道模型的信道冲激响应和信道冲激响应的幅频特性和相频特性。
vioce-signal-processing
- 录制自己的一段语音,时间控制在15秒到30秒左右;利用wavread函数对自己的语音进行采样,记住采样频率。 (1)画出原始语音信号的时域波形,而后以1秒为间隔,求出每秒数据的功率谱。 (2)根据语音信号特点,分别设计FIR及IIR滤波器,分别画出滤波器幅频和相频特性曲线。用设计的滤波器对信号滤波,画出滤波后时域波形。用sound函数回放语音信号。 (3)求出特征频段语音信号随时间变化的曲线(每间隔0.05秒求一次功率谱)。 -Record your own voice for
cdma.rar
- 直接序列扩频的缩写(DS-SS ) 二相相移键控(BPSK) matlab源代码,An acronym for Direct Sequence Spread Spectrum (DS-SS) two-phase phase shift keying (BPSK) matlab source code
bb
- 主要指令:butter(产生巴特沃斯滤波器);freqz(绘制幅频、相频曲线);zplane(绘制零、极点图);ss2zp(状态方程变零、极点);zp2tf(零、极点变分式多项式)。-Main instruction: butter (produced bart wo filter) Freqz (draw amplitude frequency, phase frequency curve) Zplane (draw zero, poles chart) Ss2zp (state equ
cepin
- 瞬时测频的基础知识、多信道法瞬时测频、鉴频法瞬时测频、干涉仪比相法瞬时测频、驻波鉴相法瞬时测频、瞬时测频编码、数字计算法瞬时测频-Instantaneous Frequency Measurement of the basic knowledge, multi-channel method of instantaneous frequency measurement, frequency Instantaneous Frequency Measurement Act, interferomete
YYY_DSSS
- 设计一个四用户的扩频通信系统,扩频增益为N=16,采用Walsh码进行直接序列扩频,BPSK调制,无线信道为AWGN信道。在接收端进行解扩,解调,判决,通过仿真得到其中一个用户的误比特率与信噪比的仿真结果。-Designed a four-user spread spectrum communication system, spreading gain for N = 16, using Walsh code Direct Sequence Spread Spectrum, BPSK modul
FrequencySynthesisbyPhaseLock
- 书籍频综和锁相环的Matlab源代码,对频综和锁相环的设计很有帮助;-Books PLL Frequency Synthesizer and the Matlab source code for PLL Frequency Synthesizer Design and helpful
Signal_system_Experiment
- 信号与系统实验源代码 包括:实验一 周期信号的谐波逼近,幅频相频分析;实验二 simulink信号的抽样和内插; 实验三 GUIDE二阶状态轨迹的显示;实验四 Wav信号的波形分析及频谱分析-Signals and systems including source code of the experiment: The experiment of a periodic signal of the harmonic approximation, the amplitude-frequency
pll_ok
- 完整的锁相环matlab代码实现,其中包括高斯噪声干扰,频差,相差,给出最后频率及相位收敛结果图。重要的是代码中有本人详细注释,易于理解-Complete phase-locked loop matlab code, including the Gaussian noise interference, frequency difference, a difference, given the final results of the frequency and phase diagram con
Bessel
- Bessel低通滤波器特性幅频及相频特性分析及其阶跃响应和方波响应-Bessel low-pass filter characteristics of amplitude and phase frequency characteristics of frequency and step response and the square wave response
quantonghezuishaoxiangweixitong
- 本代码是全通系统和最小相位系统的零极点和幅频和相频的响应-The code is all-pass system and the minimum phase zero poles and frequency and phase frequency response
3
- 产生线性调频信号,Matlab仿真实现雷达线性调频信号,并表现出线性调频信号的时域图和幅频、相频图-LFM signal generation, Matlab simulation of radar chirp signal, and the performance of a linear FM signal in time domain and amplitude frequency diagram, phase-frequency diagram
pinlvxiangying
- 对一个产生的离散序列作傅立叶变换,分析其频率响应特性(给出幅频与相频特性曲线)-A discrete sequence generated for the Fourier transform to analyze the frequency response characteristics (frequency and amplitude given phase frequency response curve)
Multipath-
- 多径传播的部分代码,包括傅里叶变换,傅里叶反变换,幅频和相频特性-Multipath propagation part of the code, including Fourier transform
兰姆波频散曲线
- lamb频散曲线,包括相速度和群速度随频厚积的变化(Lambish dispersion curves, including changes in phase velocities and group velocity with frequency-thickness product)
Lamb波频散曲线
- Lame波的频散曲线,包括相速度和群速度。(The dispersion curve of Lame wave includes phase velocity and group velocity.)
车辆横摆角速度辐频和相频响应程序
- 用于汽车驱动动力学计算具有不同转向特性的车辆横摆角速度辐频和相频响应求取。