搜索资源列表
fig0220-ppm.rar
- 超宽带无线通信，频域接收机实现程序，带有仿真图,Ultra-wideband wireless communications, frequency-domain realization of the procedures receiver with simulation map
filter_all.rar
- 数字滤波器的设计及性能比较 用三种方法设计FIR滤波器：窗口法、最大最小误差法、频率采样法；用两种方法设计IIR滤波器：冲激响应不变法、双线性变换法。很全的matlab滤波器程序！, Digital filter design and performance comparison of three methods to use FIR filter design: the window method, the largest minimum error method, freq
zhsvpwm.rar
- 滞环SVPWM整流器的Simulink仿真，种基于不定频滞环的空间矢量脉宽调制( SVPWM)电流控制方法,Hysteresis SVPWM Rectifier Simulink simulation, based on variable-frequency hysteresis of the space vector pulse width modulation (SVPWM) current control method
ray_chan_two.rar
- 这是一个频率选择性瑞利衰落信道的模型，程序建模为两径。,This is a frequency-selective Rayleigh fading channel model, the program is modeled as two tracks.
time-frequency-Toolbox-
- MATLAB时频分析工具箱源代码，包括使用说明各种函数库-Toolbox MATLAB source code for time-frequency analysis
matlab-GSM
- GSM系统仿真 MATLAB代码仿真程序 M文件 包含信道复用，维特比译码，跳频等-GSM system simulation code MATLAB simulation program M file contains channel reuse, victor than decoding, frequency hopping, etc
RFID.rar
- 射频识别技术及其在室内定位中的应用 (RFID technology and its application in indoor positioning),Radio frequency identification technology and its application in indoor positioning applications (RFID technology and its application in indoor positioning)
sscyd.rar
- 二阶数字谐振器的频率特性和滤波器的幅频特性和相位特性和预畸变在双线性变换中的作用,Second-order digital resonator frequency filter characteristics and amplitude-frequency characteristics and phase characteristics and pre-distortion in the bilinear transform the role of
fft.rar
- FFT算法的基本原理是把长序列的DFT逐次分解为较短序列的DFT。按照抽取方式的不同可分为DIT-FFT（按时间抽取）和DIF-FFT（按频率抽取）算法。按照蝶形运算的构成不同可分为基2、基4、基8以及任意因子（2n,n为大于1的整数），基2、基4算法较为常用。,FFT algorithm is the basic principle of DFT successive long sequence is broken down into shorter sequences of DFT. In
PhaseNoise.rar
- 小数分频技术解决了锁相环频率合成器中的频率分辨率和转换时间的矛盾, 但是却引入了严重的相位噪声, 传统的相位补偿方法由于对Aö D 等数字器件的要求很高并具有滞后性实现难度较大。$2 调制器对噪声具有整形的功 能, 因而将多阶的$2 调制器用于小数分频合成器中可以很好地解决他的相位噪声的问题, 大大促进了小数分频技术的 发展和应用。文章最后给出了在GHz 量级上实现的这种新型小数分频合成器的应用电路, 并测得良好的相噪性能。,Fractional-N technology to s
无线信道信号的混叠
- (1) 在某些无线信道中，多普勒频移会引起无线信道输出信号的混叠。请描述产生混叠的各种原因； (2) 无线信道中的多普勒谱有一种经典谱(classic spectrum)，请解释产生这种谱形状的机理； (3) 请用Simulink工具编写代码(S-Function方式)，产生一单径瑞利信道，其多普勒谱为经典谱，其中移动速率为120km/h。并请回答：证明自己用计算机产生的经典谱是正确的可能方法。 ,(1) in certain wireless channel, the Doppler f
frequency_hopped.rar
- 一个用matlab写的跳频通信系统仿真，信道采用的是高斯白噪声信道,a frequency-hopped communication system, simulated by matlab
esprit.rar
- 用esprit算法估计复正弦加白噪声的信号频率，f给出正弦信号的频率估计值,Esprit algorithm with an estimated increase in complex white noise sinusoidal signal frequency, f the frequency of sinusoidal signal given the estimated value of
remez.rar
- remez函数设计FIR低通滤波器 设计滤波器，使逼近低通滤波特性 。 要求通带波纹 ，阻带衰减 ，并用最小阶数实现。绘出设计的FIR数字滤波幅频特性曲线。 ,remez function design FIR filter low-pass filter designed to approximate the low-pass filter characteristics. Requirements of passband ripple, stopband attenuation, an
scfde.zip
- 单载波频域均衡SCFDE的MATLAB源码，包括迫零均衡和MMSE均衡,Single-carrier frequency domain equalization SCFDE the MATLAB source code, including zero forcing and MMSE balanced balanced
TFD-chirplet.rar
- matlab 压缩包文件,基于时频分析的isar回波处理历程,基于时频分析的多分量现形调频信号处理,matlab compressed file, based on the time-frequency analysis of the ISAR echo processing course, based on the time-frequency analysis of multi-component FM signal processing edition
OFDMcode.rar
- 完整的OFDM链路程序并作了较为具体的解析从基本的bpsk,qpsk,qam到实际的ofdm系统，cdma链路，mac层仿真分析.,Orthogonal frequency division multiplexing (OFDM) is becoming the chosen modulation technique for wireless communications. OFDM can provide large data rates with sufficient robustnes
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
corre_spectrum
- 本程序能够计算两个信号的频域相干函数和两个信号的互功率谱。-This procedure is able to calculate the two signals in the frequency domain coherence function and the two signals cross-power spectrum.
Time-Frequence
- 该程序是盲源分离算法中时域—频域分离算法，该算法应用范围广泛。-The procedure is blind source separation algorithm in time domain- the frequency domain separation algorithm, which a wide range of applications.