窗口傅里叶变换能够更好的解决关于非周期信号的表示问题。
The window Fourier transform(WFT )is one solution to the problem of better representing the nonperiodic signal.
应用四要素法对周期信号和非周期信号激励的一阶电路作了较详细的分析;
The traditional three factors method ford-c first-order linear circuit is only one special example of the new method being discussed.
针对非周期信号的随机性,为了避免信号的死锁提出了基于信号截止期的优先级提升动态调度算法。
According to the randomness of aperiodic signal, a priority promotion dynamic scheduling algorithm based on signal deadline is proposed.
运用周期和非周期弱信号的检测实例,进一步证明了该方法的有效性和实用性。
And it is further proved that the technique is effective and practical by means of the examples of the extraction of periodic and aperiodic signals.
脑电是极为复杂的非周期生物电信号,对脑电的研究始终是现代科学的一大热点。
EEG is a kind of complicated non-periodic bioelectricity signal and its research is still an important field for modern science.
在仿真分析非整周期采样对谱分析法影响的基础上,对基于谱分析的实际涡街流量信号处理方法进行了有益地探讨。
Spectrum analysis for vortex signal processing was discussed on the basis of simulating and analyzing the effect of sampling in non complete periods on spectrum arithmetic.
目的研究立位心脏R- R间期信号的非稳定周期轨道的结构,进一步探讨心率变异(HRV)的动力学特征。
Objective To study structure of the unstable periodic orbits (UPOs) of R-R interval signals of heart during orthostatic standing, and to reveal the dynamic characters of heart rate variability (HRV).
混沌信号具有遍历性、非周期、连续宽带频谱、似噪声的特性。
Chaotic signal has the properties of ergodicity, nonperiodicity, continuous broadband power spectra, and noise like etc.
移动的修正周期图谱估计方法在实时处理和非平稳信号处理的场合中是常用的一种有效方法。
To modify periodogram by moving is a useful and effective method for either real time signal processing or non-stable signal processing.
本文提出了一种周期信号等效非均匀采样策略。
A strategy for the equivalent nonuniform time sampling of periodic signals is proposed.
然而,语音信号是一个非平稳过程,因此适用于周期信号、瞬变信号或平稳随机信号的标准傅立叶变换不能用来直接表示语音信号。
But voice signal is an instable process, so standard FT that fit to the period signal and stable signal can not be express the voice signal directly.
分析了利用非周期随机共振进行基带信号检测的物理机制,提出了一种基于统计的信号恢复新方法。
The physical mechanism of signal processing based on the aperiodic stochastic resonance (ASR) system is analyzed, and a statistical approach for recovering the binary signal is proposed.
应用小波分析研究了外循环反应器浓度波这类非平稳拟周期信号的特征。
The characteristic of the concentration wave in the RTD of out-circular reactor, which is a nonstationary quasi-periodic signal, has been investigated with wavelet analysis.
同时,混沌信号具有遍历性、非周期、连续宽带频谱、似噪声的特性,特别适合于保密通信。
On the other hand, the dynamic properties of chaos signal such as ergodicity, aperiodic, uncorrelated, broadband and noise-like have been proved to be useful for communication.
误差分析的结果表明,这种非同步取样数据的同步化算法,具有良好的同步效果,不仅可应用于稳态周期信号,也适用于周期性非稳态过程信号的测量和分析。
Simulation results show that the algorithm could be used not only in steady state signal analysis, but also in periodical non-steady state process signal analysis.
由于语音信号是准周期的非平稳信号 ,因此按频带对含噪语音信号实现信噪分离是语音消噪的?。
Thus the noise parts during the frequency intervals that decrease hearing quality mostly are reduced efficiently, and the SNR of denoised speech are increased.
PSK非相干解调法将经延时半个载波周期的接收信号与原接收信号相加,检测出两相邻码元载波相位变化情况,从而解调出数字信息。
Non coherent demodulation for 2PSK detects relation of carrier wave phase of the interval symbol by the (half period of carrier wave) delay and the adder, then the data is demodulated.
PSK非相干解调法将经延时半个载波周期的接收信号与原接收信号相加,检测出两相邻码元载波相位变化情况,从而解调出数字信息。
Non coherent demodulation for 2PSK detects relation of carrier wave phase of the interval symbol by the (half period of carrier wave) delay and the adder, then the data is demodulated.
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