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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
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
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
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- 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
Hilbert335
- 测量6205深沟球轴承的故障振动加速度信号, 对信号进行时频分析, 利用经验模态分解方法将振动信号分解成不同特征时间尺度的固有模态函数,对每个固有模态函数进行Hilbert 变换得到Hilbert 谱,通过谱分析识别轴承的故障部位和类型, 证实Hilbert 谱的有效性-Measuring 6205 deep groove ball bearing fault vibration acceleration signal, the signal frequency analysis, empiri
Random-signal-analysis
- 随机信号分析实验2_1，包括给予matlab的随机序列的产生以及其相关函数和功率谱的估计。-Random signal analysis experiment 2_1, including to matlab random sequence generation and the correlation function and power spectrum estimation.
Untitled
- 设计低通滤波器对信号进行滤波，对比分析滤波前后信号的频谱；-Design of low pass filter for signal filtering, comparative analysis before and after filtering the signal spectrum
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- 提出一种基于小波分析和奇异谱降噪理论的新方法, 在分析滚动轴承故障特性的基础上, 将奇异谱理论的降噪方法与小波分析理论结合应用于滚动轴承故障诊断中。实例表明,这种结合后的新方法能够更有效地降低噪声,突出振动信号的故障特性, 从而提高设备故障诊断的准确率。-Proposed based on wavelet analysis and Singular Spectrum Reduction Noise Theory new methods in the analysis of rolling bea
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- 滚动轴承故障诊断是机械故障检测中一个重要方面。使用小波包分析和包络分析相结合的方法提取轴承微弱振动信号, 克服了传统包络分析方法易丢失信号有效成分的缺点。包络信号的细化谱较好体现了轴承故障信息。-Bearing Fault Diagnosis of mechanical fault detection in an important aspect. The use of wavelet packet analysis and envelope analysis method of combini
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- 论述了小波包分解及其能量谱处理发动机连杆轴承故障的原理与方法, 结合传统断火诊断法的思想,应用小波包能量谱直观地识别出故障的特征频带, 并进行量化分析, 结果证明了这种方法比传统的付立叶分析方法具有更大的优越性及现实的应用价值-Discussed and wavelet packet energy spectrum processing engine connecting rod bearing failure principles and methods, combined with trad
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- paper related to cognitive analysis and its spectrum analysis. it has the details about the analysis and simulation result
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