• 利用逆序驱动桥噪声信号平稳性进行了验证,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.

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  • 便携式火箭发射器产生的冲击波脉冲噪声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.

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  • 故障态过程含有丰富的故障信息暂态信号大于稳态信号的幅值,容易测量

    There are rich information in transient and it rate more than steady, Easy to detect.

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  • 近年来才兴起的时-频联合分析法分析处理频率时间而改变的非稳态信号强有力工具

    The newly emerged JTFA (Joint Time-Frequency Analysis) method is a powerful tool in analyzing time-varying non-stationary signals.

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  • 摘要旋转机械测试振动信号通常随机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.

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  • -联合信号分析法能描述稳态信号频率如何时间变化,故使我们更好地理解信号本质

    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.

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  • 对于其中稳态电路数字化数字提取位同步信号进行详细的设计说明。

    The digital realization of monostable circuit and extraction of bit-synchronous signal with digital phase lock loop are also introduced in detail.

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  • 基于新的模型,对各种直流开关转换器均进行直流稳态分析交流信号分析。

    Based on this new model, steady state DC analysis and small signal AC analysis can be used to analyse all kinds of converters.

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  • 稳态电路提供数据滤波信号

    A twin monostable circuIt 'supplies the data and strobe signals.

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  • 发现二维耦合腔结构中,可以实现信号泵浦-信号类型稳态开关,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.

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  • 理解稳态直流信号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.

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  • 传统信号分析方法傅立叶变换适于周期的、稳态信号

    The traditional signal analysis method is Fourier analysis and it is only applied to steady and periodically signals.

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  • 使用单稳态触发器74ls221对送给MC 1311CMOS摄像机同步信号进行整形。使用AT 24 C02数据进行存储,实现数据的掉保护。

    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.

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  • 对于相关性信号,新算法稳态失调小于NLMS算法DCR - LMS算法。

    For high correlation signal, its performance is superior to those of NLMS algorithm and DCR-LMS algorithm.

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  • 稳态时,方法还具有多径信号分集接收潜力

    In the stable state, this method has the potential of diversity reception for multi-path signals.

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  • 小波变换具有很好的时域域局部化特性为以稳态振动特征的信号提供有效分析手段

    Wavelet transform possesses excellent characteristic of time frequency localization, and provides an effective measure for analysing signal causing unstable vibration.

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  • 由于信号稳态非线性,胃电信号参量变化是非线性的。

    Since EGG signals are non stationary and nonlinear, the time frequency parameters of them vary non linearly.

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  • 误差分析结果表明,这种非同步取样数据的同步化算法,具有良好的同步效果,不仅应用于稳态周期信号适用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.

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  • 通过传输方程求解以及稳态分析从理论上说明了高频信号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.

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  • 算法利用误差信号相关调节解决算法收敛时间稳态误差间矛盾,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.

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  • 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.

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  • 基于信号奇异性检测理论利用小波分解高频系数是否具有极大值作为区分稳态稳态现象判据

    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.

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  • 方法磁共振相位对比电影法测定模拟血液流动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.

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  • 所进行各种稳态动态试验研究表明脉动流量信号发生器具有较高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.

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  • 三进数字基带信号入手,结合二进制,利用交变稳态分析了任意进制数字基带信号频谱特性。

    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.

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  • 结果表明谐波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.

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  • 小波变换具有好的时域局部化特性,它稳态振动特征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.

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  • 系统软件使用虚拟仪器技术设计通用数据记录仪、浪涌分析仪频谱分析仪、稳态瞬态信号分析仪多种虚拟仪器。

    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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  • 系统软件使用虚拟仪器技术设计通用数据记录仪、浪涌分析仪频谱分析仪、稳态瞬态信号分析仪多种虚拟仪器。

    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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