本文讨论利用振动系统的随机响应和自由响应信号识别系统模态参数问题。
The identification of modal parameters of a vibration system by means of random response and free response signal is discussed.
通过分析声表面波谐振器对不同激励信号的响应,本文选用正弦脉冲串作为激励信号,来提高系统工作效率和传感距离。
Through the analysis of the response of resonator base on different pumping signals, sine burst is used for pumping signal of the system to improve the efficiency and detecting-distance.
一个无反馈的开环(直接)系统直接产生对于输入信号的输出响应。
An open-loop (direct) system operates without feedback and directly generates the output in response to an input signal.
讨论了在常见典型信号作用下直接确定线性时不变离散系统零状态响应的一种方法。
A method of directly determining discrete-time system's zero-state response sequences under the action of the common typical signals is discussed.
瞬态响应差的系统往往在时间上把这些声音弄的模糊不清,因为喇叭没有能力停止和开始得足够快来准确的重现这些信号。
A system with poor transient response tends to blur these sounds over time, due to the speaker's inability to stop and start quickly enough to react to the signal accurately.
冲击响应谱分析技术与实时信号分析技术的融合,先进的冲击试验实时控制系统技术也随之产生并迅速取代普通冲击试验分析方法与试验技术。
The amalgamation of SRS technique and real-time signal analysis technique gives birth to advanced shock test real-time control system and this system replaces quickly the common method and technique.
本文提出一种人工神经网络(ANN)方法,确定暖通空调(HVAC)系统对控制信号响应的时间迟延,在研究中选用了四层网络。
This paper presents an artificial neural network(ANN) approach to determine the time delay for a heating, ventilating, and air -conditioning(HVAC)plant to respond to control actions.
传统的波形发生器通常是由信号发生器或专用控制系统的响应电路产生。
Traditional waveform generator is mostly produced by signal generator or responsive circuit of professional control system.
研究了噪声和随机二进制信号同时激励双稳系统时的输出响应,并测量了输入输出互相关系数。
The nonlinear response in the bistable system with a random binary signal by adding the variable amount of noise is studied, and the input-output cross-correlation coefficient is measured.
有限脉冲响应滤波器作为普通器件在许多数字信号处理系统中广泛使用。
Finite impulse response (FIR) digital filters are widely used as common components in many digital signal processing (DSP) systems.
该非线性PID算法构造了增益参数关于误差信号的非线性拟合函数,算法能够同时保证响应速度快、超调量小以及自适应能力强的系统特性。
The nonlinear function is given by the nonlinear PID algorithm, and the algorithm can guarantee the system have the property of the fast response, a little over shot and strong self adaptive.
因为模糊逻辑控制器的控制信号是由系统的响应行为而不是由其分析模型决定的,所以机器人的开环响应可以用一系列二阶系统来描述。
Because the signal processed by fuzzy controller is based on system behavior rather than its analytical model, open loop responses of a robot are described by a set of second order systems.
研究了弹性轨道条件下,控制回路中位置反馈信号存在时滞的磁浮系统在亚谐轨道激励作用下的响应问题。
The response of the Maglev system with delayed position feedback control under the sub-harmonic excitation of the flexible guideway is investigated.
所述光学调制系统响应 于所述驱动控制信号来产生和调制光并产生图像并随后扫描所述图像以 便投射到屏幕上。
The optical modulation system generates and modulates light and generates an image in response to the drive control signal and then scans the image for projecting onto a screen.
研究了伪随机信号的特征及伪随机信号产生的方法,得出了用伪随机信号代替白噪声信号辨识钻柱系统脉冲响应的结论。
The results show that the input white noise can be substitute by pseudo-random signals in identifying the impulse response of a drill-string system.
控制系统设计就是使装置在有指令信号或者干扰时有满意的行为(时域响应)。
A control system is designed to control the behavior (the time response) of a plant subject to commands or disturbances.
该方法利用阶跃输入信号获取非线性增益的强一致性估计;利用不同幅值的周期脉冲输入信号获取线性子系统脉冲响应函数的强一致性估计。
The nonlinear gain and the impulse response functions of linear subsystem be obtained by using the step-changeds and cyclic impulse with different amplitudes as input signals.
将该方法应用于实际物镜设计,发现光学系统波长及权重符合探测器焦平面输出信号光谱响应特性。
Applying this method to the lens design, the lens' wavelength and weight corresponds to spectral response features of the output signal in the detector's focal plane.
通过这种方法能比较容易地获得非线性系统对于实激励离散信号或模拟信号的响应时间序列。
By this method, for a real excitation discrete signal or a simulating signal, the response time series of a non-linear system can be easily obtained based on the Z-transform technique.
应用该同步控制方案,可以在驱动系统结构和参数未知及不要求混沌参考信号连续可导的前提下,实现构造响应系统的输出渐近同步于任意标量混沌信号。
The output of the response system is controlled to asymptotically synchronize with any scalar chaotic signal without continuous derivatives of the driver system with unknown structure and parameters.
实测桩顶响应信号是振源与系统频响函数的时域卷积。
The tested signal on pile head is the convolution of the vibration resource and frequency response function of itself in domain of time.
在此基础上,建立了系统在正弦波、三态方波输入下的驱抖模型,分析了输入信号参数的改变给系统响应带来的影响。
After that, the drive models of sine wave and three-state square wave were established, and the impact which caused by changing the parameters of the input signal was studied in this paper.
系统使用FPGA控制喷阀的信号响应延迟及喷阀喷气时间长短,以保证能够及时、准确、彻底的喷走杂质。
The signal response time delay of the spurt valve and the spurt valve jet time length were controlled by FPGA. It make sure the foreign fiber eliminated prompt, accurate and clearly.
另外,为了提高控制系统对消防联动和厅外召唤信号的响应速度,采用中断技术对这两种信号进行处理。
In addition, in order to improve the control system response speed for fire control linking signal and elevator calling signals, interruption technique is applied to process these signals.
称为信号析取系统的超声波检验实时信号处理系统,它通过同步平均和有限脉冲响应滤波能够提高信噪比。
UST real time signal process system is called signal extraction system. It can increase signal noise ratio through synchronization and average and limited pulse response filtering.
从已测的输入和输出来估计未知系统的的冲激响应在信号处理,通信与控制领域有着许多应用。
Estimation of the impulse of an unknown system from its measured input and output has found many applications in signal processing, communications and control.
仿真分析了多种激励信号下隔振质量的响应及半主动悬架系统在系统参数摄动下的鲁棒特性。
The isolated mass response of many kinds of excitations and the robustness of semi-active suspension system with respect to parameter variations were simulated.
该处理子系统响应于所述通过时间信号和范围选通多普勒信号,并且配置以为所述管道中流动的流体生成速度分布和平均速度。
The processing subsystem is responsive to the transit time signal and the range gated Doppler signal and configured to generate a velocity profile and a mean velocity of the fluid in the conduit.
该处理子系统响应于所述通过时间信号和范围选通多普勒信号,并且配置以为所述管道中流动的流体生成速度分布和平均速度。
The processing subsystem is responsive to the transit time signal and the range gated Doppler signal and configured to generate a velocity profile and a mean velocity of the fluid in the conduit.
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