利用逆序法对驱动桥噪声信号的平稳性进行了验证,指出其噪声信号为非稳态信号。
Reversed order method is used to prove that the noise of driver axle is a nonstationary signal.
便携式火箭发射器所产生的冲击波和强脉冲噪声属非稳态信号,具有较宽的频率范围。
The shock wave and strong pulse noise, which produced by light rocket launcher, are belong to a non stationary signal process with a wide frequencies.
故障暂态过程含有丰富的故障信息且暂态信号幅值大于稳态信号的幅值,容易被测量。
There are rich information in transient and it rate more than steady, Easy to detect.
近年来才兴起的时-频联合分析法是分析处理频率随时间而改变的非稳态信号的强有力工具。
The newly emerged JTFA (Joint Time-Frequency Analysis) method is a powerful tool in analyzing time-varying non-stationary signals.
摘要:旋转机械测试中,振动信号通常是随机非稳态信号,必须进行振动和转速信号同步分析。
Absrtact: in rotary machinery test, vibration signal is stochastic and uncertain usually, so, synchronous analysis of vibration and instantaneous rotational speed in the rotary machinery is necessary.
时-频联合信号分析法能描述非稳态信号的频率如何随时间而变化,故它能使我们更好地理解信号的本质。
Joint time Frequency Analysis (JTFA) describes and determines how the frequencies of non stationary signals change over time. It offers a better understanding of nature of the signal.
对于其中的单稳态电路的数字化和数字锁相环提取位同步信号也进行了详细的设计说明。
The digital realization of monostable circuit and extraction of bit-synchronous signal with digital phase lock loop are also introduced in detail.
基于新的模型,对各种直流开关转换器均能进行直流稳态分析和交流小信号分析。
Based on this new model, steady state DC analysis and small signal AC analysis can be used to analyse all kinds of converters.
两个单稳态电路提供数据和滤波信号。
A twin monostable circuIt 'supplies the data and strobe signals.
发现在二维耦合腔结构中,可以实现信号自泵浦和泵浦-信号两种类型的双稳态开关,且后者具有使泵浦和信号在频率和空间相分离的优点。
It shows that the self-pumping type and pump-probe types bistable switching can both be realized in the same structure, and the latter can separate the pump and signal in frequency and space.
理解稳态直流信号加到电压表上的情况在概念上没有什么困难。
A steady-state DC signal applied to a voltmeter presents no conceptual difficulty.
传统的信号分析方法傅立叶变换只适于周期的、稳态的信号。
The traditional signal analysis method is Fourier analysis and it is only applied to steady and periodically signals.
使用单稳态触发器74ls221对送给MC 1311CMOS摄像机的同步信号进行整形。使用AT 24 C02对数据进行存储,实现了数据的掉电保护。
The synchronous signal of MC1311 CMOS camera is shaped by monostable trigger 74ls221. The data are stored in AT24C02, protected in the case of electricity loss.
对于强相关性信号,新算法的稳态失调小于NLMS算法和DCR - LMS算法。
For high correlation signal, its performance is superior to those of NLMS algorithm and DCR-LMS algorithm.
在稳态时,此方法还具有对多径信号分集接收的潜力。
In the stable state, this method has the potential of diversity reception for multi-path signals.
小波变换具有很好的时域和频域局部化特性,为以非稳态振动为特征的信号提供了有效的分析手段。
Wavelet transform possesses excellent characteristic of time frequency localization, and provides an effective measure for analysing signal causing unstable vibration.
由于胃电信号的非稳态和非线性,胃电信号时频参量的变化是非线性的。
Since EGG signals are non stationary and nonlinear, the time frequency parameters of them vary non linearly.
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.
通过对传输方程求解以及对稳态解的分析,从理论上说明了高频信号在动力电缆中的传播情况。
The high frequency signal propagation on power cable is demonstrated theoretically by solving transmission equation and analysing the stable solution.
该算法利用误差信号的相关值去调节步长,解决了算法收敛时间与稳态误差间的矛盾,为实际应用提供了更大的灵活性。
The algorithm utilizes the correlation of output error signal to adjust the step size, solves the inconsistency problem of misadjustment and convergence time, and allows more flexibility in using.
低阶锁相环跟踪频率斜升信号时产生的稳态相差致使环路失锁,接收机无法锁定载波信号。
Due to steady phase error, low-order PLL has a trouble in tracking frequency ramp signals, so that the receiver cannot lock carrier signals.
基于信号的奇异性检测理论,利用小波分解的高频系数是否具有模极大值作为区分稳态和非稳态现象的判据。
Based on the theory of signal strangeness detect, the maxima modulus in high frequency of wavelet resolving can be used as a criterion to classify steady and non-steady state phenomena.
方法:用磁共振相位对比电影法测定模拟脑血液流动的管状模型稳态流动下流体信号强度,并与相应的速率进行相关性分析后分别得出相应的转换函数关系。
Methods: tube flow phantoms which simulating the cerebral blood flow were established. Flow signal intensity of the steady flow in tubes was measured by MR phase-contrast cine technique.
所进行的各种稳态和动态试验研究表明,该脉动流量信号发生器具有较高的脉动频率和明显的抗干扰能力等优点。
Some advantages of high pulsating frequency and good ability against interference of this flow signal generator are shown in the steady and dynamic experimental research on it.
从三进制数字基带信号入手,结合二进制,利用交变波、稳态波分析了任意多进制数字基带信号的频谱特性。
This article proceeded with tri - nary baseband signal combining with binary ones, and then analyzed multi -nary digital baseband signal's frequency spectrum based on alternating wave and steady wave.
结果表明谐波及无功检测信号只不过是电容电压闭环系统中的一个前馈补偿信号,其存在不但不能提高反而影响谐波及无功的稳态和动态补偿精度。
It is concluded that the harmonic and reactive current detection behave as just a feed-forward signal in this closed-loop, and it is incapable of improving the compensation accuracy in steady-state.
小波变换具有很好的时域和频域局部化特性,它对以非稳态振动为特征的信号提供了很好的分析手段。
Wavelet transformation possesses excellent properties of time-frequency localization and thus provides an effective means for analyzing signals characterized by unstable vibration.
系统软件使用虚拟仪器技术,设计了通用数据记录仪、浪涌分析仪、频谱分析仪、稳态和瞬态信号分析仪等多种虚拟仪器。
Virtual Instrument technology is used in the design of the general wave recorder, impact analyzer, spectrum analyzer, stable and transient signal analyzer and so on.
系统软件使用虚拟仪器技术,设计了通用数据记录仪、浪涌分析仪、频谱分析仪、稳态和瞬态信号分析仪等多种虚拟仪器。
Virtual Instrument technology is used in the design of the general wave recorder, impact analyzer, spectrum analyzer, stable and transient signal analyzer and so on.
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