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eg-fft
- fft1．用Matlab产生正弦波,矩形波,以及白噪声信号，并显示各自时域波形图 2．进行FFT变换，显示各自频谱图，其中采样率，频率、数据长度自选 3．做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱 4．用IFFT傅立叶反变换恢复信号，并显示恢复的正弦信号时域波形图-fft1. Using Matlab generated sine wave, rectangular wave, as well as the white noise signal, and displa
shiyan
- 数字信号处理 信号与系统响应（1） 熟悉连续信号经理想采样前后的频谱变化关系，加深对时域采样定理的理解。 （2） 熟悉时域离散系统的时域特性 （3） 利用卷积方法观察分析系统的时域特性 （4） 掌握序列傅里叶变换的计算机实现方法，利用序列的傅里叶变换对连续信号、离散信号及系统响应进行频域分析。 -Digital Signal Processing Signals and Systems in response to (1) familiar with the continuous
lecture13
- Cognitive radio systems offer the opportunity to improve spectrum utilization by detecting unoccupied spectrum bands and adapting the transmission to those bands while avoiding the interference to primary users.
pingfenfuyong
- 综合运用信号与系统、数字信号处理的理论知识进行频谱分析和滤波器设计，通过理论推导得出相应结论，再利用MATLAB作为编程工具进行计算机实现从而加深对所学知识的理解，建立概念。-The integrated use of signals and systems, digital signal processing theory of knowledge spectrum analysis and filter design, the corresponding results obtained t
getPDF1
- 文章介绍了在带限频带下双阈值频谱检测的情况，并给出仿真结果。-This paper introduces the band in the band-limited frequency spectrum under the dual-threshold detection of the situation and give the simulation results.
5555
- 扩频数字接收机中的多相匹配滤波器，是一个PDF得资料-Spread-spectrum digital receiver in the multi-phase matched filter
6666
- 基于软件无线电的直接序列扩频系统研究，是一个PDF的资料-Software-based Direct Sequence Spread Spectrum Radio System
Compass
- 中国北斗二代系统 北斗卫星信号解密 信号频谱的分析-Second-generation Chinese Compass system satellite signals to decrypt the signal spectrum analysis
zhenyuxiandepufenxixi
- 正余弦信号的谱分析 数字信号处理方法的一个重要用途是在离散时间域中确定一个连续时间信号的频谱，通常称为频谱分析，-Cosine signals are digital signal processing method of spectrum analysis is an important use is in the discrete time domain to determine a continuous-time signal spectrum, commonly referred to
tebBOC
- his article presents the characteristics of the signal used for the Galileo system with respect to those of the GPS system, as well as the adapted receiver architectures. An analysis of the sources of unintentional interference in the GPS ans GALILEO
SPECTRUM-CHART
- spectrum chart for reference
006
- 根据故障状态下的振动波形比正常状态下更为复杂、更不 规则的特点，分别计算了各个测点的关联维数，谱维数及盒维数。分析表明，测点的维数 值变化显著。从而实现了对压缩机多种故障的诊断 -According to the fault state of the vibration waveform than normal more complex, more do not The characteristics of the rules have been calculated, each
Fourier
- Fourier Series and Power Spectrum with MATLAB
chapter3_1
- 经过预加重的频谱在高频部分的频谱部分的幅度得到了提升。-The preemphasis spectrum in the amplitude of the high-frequency part of the spectrum has been improved.
the-deformation-mirror
- 变形镜对千赫兹掺钛蓝宝石飞秒激光频谱相位补偿-Deformable mirror kHz titanium-doped sapphire femtosecond laser spectrum phase compensation
Test
- 直接序列扩频的dml文件，初学者可以下载-Direct Sequence Spread Spectrum
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- 将高阶时频表示引入机械故障诊断领域。介绍了Wigner 高阶矩谱(WHOS)的概念、定义。针对多分量信号Wigner 高阶矩谱的交叉项会产生“虚假信号”,结合局域波法, 提出了一种抑制WHOS交叉项的新方法。首先对复杂信号进行预处理, 利用局域波分解方法把其分解成有限个具有单分量特性的基本模式分量,然后对每个基本模式分量计算WHOS。该方法能有效抑制WHOS时频分布的交叉项。通过仿真实验和转子的故障实验,以Wigner 双谱为例, 验证了该方法的实用性,为故障诊断的特征提取提供了新的工具-Hig
Spectrum-transform
- 关于Matlab 频谱变换的一些资料-Spectrum transform
blind-spectrum
- It is a paper about how to detect spectrum through blind analysis. it contains the full descr iption aboout the algorithm and teh simulation results
spectrum-analysis-
- 图像频谱分析MATLAB程序，适合于所有需要的波形-Image spectrum analysis MATLAB program