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OFDM
- 基于自适应压扩法降低OFDM系统的峰均比。正交频分复用(OFDM,Orthogonal Frequency Division Multiplexing)技术可以出色的对抗抗多径衰落、消除码间干扰且具有极高的频谱利用率。此外它还采用了快速傅立叶变换,大大降低了收发机的实现复杂度,因此被广泛地应用于HDSL、ADSL、DAB、HDTV、WLAN等领域中。 但是,目前OFDM技术还有很多关键问题没有得到有效解决,如对频偏敏感、高峰均功率比问题等,这些都限制了OFDM技术的近一步广泛应用。本论文主要
ofdmspectrum
- ofdm频谱特性 包括升余弦窗后 和加CP后的三种频谱特性比较-ofdm spectrum features include raised cosine window of post-processing after the three kinds of spectral characteristics of CP compared
pracsim-2
- 通信基本仿真2适合初学者学习的代码,包括了调制,分析等等:使用IIR filter的经典模拟滤波器(巴特沃斯Butterworth,切比雪夫Chebyshev),Bartlett周期图谱,加窗Bartlett周期图谱,基带波形仿真,IIR的贝塞尔滤波器Bessel Filter,二进制对称信道Binary Symmetric Channel仿真,比特序列,Remez滤波,BPSK复合基带信号仿真,载波生成器,椭圆滤波器Elliptical Filter,FFT,FSK调制及解调,高斯噪声Gaus
pracsim-3
- 通信基本仿真3,适合初学者学习的代码,包括了调制,分析等等:使用IIR filter的经典模拟滤波器(巴特沃斯Butterworth,切比雪夫Chebyshev),Bartlett周期图谱,加窗Bartlett周期图谱,基带波形仿真,IIR的贝塞尔滤波器Bessel Filter,二进制对称信道Binary Symmetric Channel仿真,比特序列,Remez滤波,BPSK复合基带信号仿真,载波生成器,椭圆滤波器Elliptical Filter,FFT,FSK调制及解调,高斯噪声Gau
addwindow
- 在抗干扰算法中,对抗干扰权加Chebyshev窗,以降低副瓣电平,使方向图更好-In the anti-jamming algorithm, Chebyshev window on the right and interference to reduce the sidelobe level, so that pattern better
sacf0
- matlab实现语言信号的加窗分帧 短时能量等特征值的提取-matlab implementation language framing windowed signal characteristics such as short-term value of energy extraction
addchuang3BLM
- 在matlab中增加布莱克曼加窗实现FFT变换-Black Manga realize FFT window
stft
- 短时傅里叶中加各种不同类型的窗来观察窗的形状-Short-time Fourier and Canada all the different types of windows to observe the shape of the window
ofdm-ff
- matlab的OFDM 通信系统仿真源程序,m文件的,含循环前后缀,时域加窗等,适合刚接触OFDM的学习 采用qpsk调制和OFDM方式调制的对比-The OFDM communication system simulation matlab source, m file, with circulation before the suffix, such as time-domain windowing for OFDM new learner Qpsk modulation and
jiachuang
- 对一段语音进行加窗处理,在matlab下查看经过加窗处理后的语音信号。-For a voice to add Windows processing, on matlab check after add window under process after the speech signal
dongyany
- 主要研究了比较经典的直接加窗加权旁瓣抑制技术,并利用Matlab进行了仿真,给出了对线性调频信号和 相位编码信号脉冲压缩旁瓣抑制的直接加窗加权法处理结果,得出了分析结论。-Mainly studied the classical direct windowed weighted sidelobe suppression techniques, and using the Matlab simulation, given a linear FM signal and The phase-
OFDM
- ofdm 加窗仿真程序 matlab 包括 QAM BPSK 等-ofdm simulation
OFDMwithwindowing
- 基于MATLAB的OFDM系统仿真及分析(16QAM调制后星座图 OFDM载波幅度谱,相位谱,OFDM时域和频域分析 加窗后OFDM频谱分析 循环前缀对星座点的影响 )-ofdm
Fir_design2
- 基于MATLAB的滤波器设计,能对所给内容进行矩形窗,汉明窗等加窗滤波处理。-Filter design based on MATLAB, the contents of the given rectangular window, Hamming window and window filtering.
MOFDMa
- Matlab入门级OFDM仿真,包括每个步骤的波形,星座图图,频谱等含循环前后缀,时域加窗等,适合刚接触OFDM的学习 -Matlab entry-level OFDM simulation, including each step of the waveform, constellation Figure, spectrum containing cycle before the suffix, time-domain windowing suitable new to OFDM lear
EnergyCorrection
- 单频率成分的离散频谱校正源程序(能量重心校正法)。针对单一频率谐波信号的离散频谱校正,可选择加矩形窗和汉宁窗。已调试通过。-Matlab Codes for Ratio correction based on different window.Rectangle and Hanning Window can be choose to act.
compressandwindow
- 对脉冲雷达匹配滤波过程及加窗抑制旁瓣技术进行了matlab仿真-Matlab simulation of the pulse radar match filtering process and windowed suppress sidelobes technology were
experiment
- matlab编写的程序,分别实现了一维线性调频信号,二维线性调频信号,脉冲压缩,过采样率对频谱的影响,加窗 的仿真-the matlab programs written, respectively, to achieve the one-dimensional linear FM signal, two-dimensional linear FM signal pulse compression the oversampling ratio spectrum windowed simulati
zuoye2_4
- matlab程序设计,设计一个FIR滤波器加窗,并比较窗函数性能-FIR filter and compare the performance of the window function
HPF_WINDOW
- 基于matlab的HPF加窗信号处理,包含矩形窗,汉明窗,汉宁窗,三角窗等- MATLAB programme for window-based FIR HIGH-pass filter design