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frequency response characteristic    
相关语句
  频率响应特性
    Method for Testing System Frequency Response Characteristic Based on Chaotic Signal
    基于混沌信号的系统频率响应特性测试方法
短句来源
    The test results show that to obtain satisfactory damping effect, it is an effective method to use the on line frequency response characteristic of excitation system in measuring the parameters of AVR and in the setting of PSS parameters.
    试验结果表明 ,频率响应特性测量是测量微机励磁调节器参数的一种有效方法 ,在微机励磁调节器的 PSS参数整定中 ,采用通过励磁系统在线频率响应特性测量的方法来整定 PSS参数 ,是一个有效的方法 ,可以得到满意的阻尼效果
短句来源
    The working principles of a new type of electromechanical sensor are discussed. The frequency response characteristic equations are set up for the sensor and its working characteristics with amplitude frequency and phase frequency characteristic curves are analysed.
    介绍一种新型机电传感器的工作原理,建立其频率响应特性方程,由幅频及相频特性曲线分析其工作特性。
短句来源
    The present paper deals with introduce the working principle of an acceleration electro-mechanical sensor with a high sensitivity, new theory of its frequency response characteristic equation,and analyzes its working characteristic.
    介绍高灵敏度加速度型机电传感器的工作原理,建立频率响应特性方程,对其工作特性进行分析.
短句来源
    This paper put forward the FBG dynamic pressure sensing principle and analyze the static response sensitivity and dynamic frequency response characteristic of this sensor. The static sensitivity and dynamic characteristic test based on vibration liquid columm method and electromagnetism force generator were researched.
    提出了基于平面圆形薄板结构光纤光栅(FBG)动态压力传感器的实现方法,从理论上分析了其静态灵敏度和动态频率响应特性,并且采用振动液柱法和电磁力发生器对其灵敏度和动态特性进行了实验研究。
短句来源
  频响特性
    Simulation of the frequency response characteristic by the software Multisim indicate that the filter could percolate the power frequency and the noise of matrix.
    通过Mu ltisim软件对所设计的陷波电路和滤波电路进行频响特性仿真,得到的频响特性曲线表明:所设计电路可成功滤掉工频干扰和母体噪音干扰。
短句来源
  频率特性
    In order to estimate the dynamic characteristics of control systems, on the basis of transfer function, frequency response characteristic of second order system and the analysis of time and frequency domain specification indexes through programming formula, the design philosophy to construct dynamic behavior test system of second order system on the virtual device software platform LabVIEW is illustrated; and the programming process of softpanel design and flow chart of the test system is introduced.
    为评价控制系统的动态性能,基于二阶系统传递函数和频率特性以及时频域性能指标编程算式分析,阐述了在虚拟仪器软件平台LabVIEW上构建二阶系统动态特性时频测试系统的设计思想,介绍了该测试系统软面板设计和流程图的编程过程.
短句来源
    Through analyzing, the main reason for precision decrease is the non-ideal frequency response characteristic of the signal path in the system. Frequency domain compensation and digital filtering methods were studied to correct the frequency response characteristic of the signal path and improve the measurement precision.
    本文分析了造成系统精度降低的主要原因在于测量信道的非理想频率特性,并研究了修正测量信道频率特性的频域补偿方法和进一步改善测量精度的数字滤波方法。
短句来源
  频率响应特性
    Method for Testing System Frequency Response Characteristic Based on Chaotic Signal
    基于混沌信号的系统频率响应特性测试方法
短句来源
    The test results show that to obtain satisfactory damping effect, it is an effective method to use the on line frequency response characteristic of excitation system in measuring the parameters of AVR and in the setting of PSS parameters.
    试验结果表明 ,频率响应特性测量是测量微机励磁调节器参数的一种有效方法 ,在微机励磁调节器的 PSS参数整定中 ,采用通过励磁系统在线频率响应特性测量的方法来整定 PSS参数 ,是一个有效的方法 ,可以得到满意的阻尼效果
短句来源
    The working principles of a new type of electromechanical sensor are discussed. The frequency response characteristic equations are set up for the sensor and its working characteristics with amplitude frequency and phase frequency characteristic curves are analysed.
    介绍一种新型机电传感器的工作原理,建立其频率响应特性方程,由幅频及相频特性曲线分析其工作特性。
短句来源
    The present paper deals with introduce the working principle of an acceleration electro-mechanical sensor with a high sensitivity, new theory of its frequency response characteristic equation,and analyzes its working characteristic.
    介绍高灵敏度加速度型机电传感器的工作原理,建立频率响应特性方程,对其工作特性进行分析.
短句来源
    This paper put forward the FBG dynamic pressure sensing principle and analyze the static response sensitivity and dynamic frequency response characteristic of this sensor. The static sensitivity and dynamic characteristic test based on vibration liquid columm method and electromagnetism force generator were researched.
    提出了基于平面圆形薄板结构光纤光栅(FBG)动态压力传感器的实现方法,从理论上分析了其静态灵敏度和动态频率响应特性,并且采用振动液柱法和电磁力发生器对其灵敏度和动态特性进行了实验研究。
短句来源

 

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  frequency response characteristic
It is shown that diffusants which take part in surface reactions of finite rate or are subject to reversible trapping within the solid have a frequency response characteristic of the process involved.
      
A composite method to determine the tapping coefficients along with the coefficients of the subfilter to approximate overall frequency response characteristic is proposed.
      
Theoretical studies have been made on the effective ionization rates of electrons and holes of the device, I-V characteristic and the frequency response characteristic of the AlxGa1-xAs/GaAs superlattice p+-i-n+ structure.
      
Probe bandwidth refers to the frequency response characteristic of a probe and specifies the normal operating frequency range of the probe.
      
In contrast to this, phonograph preamp circuits not only scale the signal, they also impart a specific frequency response characteristic to it.
      
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A piezoceramic vibrator has infinite number of vibration modes, but usually only one or a few of them are used and all the other undesirable modes must be suppressed. In this paper, the suppression for the transverse effects of a transducer using the longitudinal effect was investigated and a suppression method was suggested. The experimental results had shown that having removed the undesirable transverse effects of the transducer, the frequency response characteristics of the transducer are made desirable....

A piezoceramic vibrator has infinite number of vibration modes, but usually only one or a few of them are used and all the other undesirable modes must be suppressed. In this paper, the suppression for the transverse effects of a transducer using the longitudinal effect was investigated and a suppression method was suggested. The experimental results had shown that having removed the undesirable transverse effects of the transducer, the frequency response characteristics of the transducer are made desirable.

一个压电陶瓷振子含有无限个振模,而常常应用其一个或数个,对于其它不需要的模式,必须加以抑制。本文对一种利用纵向效应的换能器的横效应的抑制进行探讨,提出了一种抑制方法。实验结果表明,这种方法消除了不需要的横效应,使换能器的频率响应特性达到我们所希望的要求。

Optical fiber used as a sensor converting radiation energy into Oerenkov light energy and a transmission line can form wide band electron and gamma radiation diagnostics system. Application of optical fiber will considerably improve frequency response characteristics of measurement system. Present system is able to break the record of bandwidth limit of routine systems. In this paper,the sensitivity of optical fiber to Oerenkov light emitted in itself by incident relativistic electron beam and the sensitivity...

Optical fiber used as a sensor converting radiation energy into Oerenkov light energy and a transmission line can form wide band electron and gamma radiation diagnostics system. Application of optical fiber will considerably improve frequency response characteristics of measurement system. Present system is able to break the record of bandwidth limit of routine systems. In this paper,the sensitivity of optical fiber to Oerenkov light emitted in itself by incident relativistic electron beam and the sensitivity of the optical fiber to Oerenkov light emitted by Compton electrons created by incident gamma ray are theoretically calculated. The mathematical expressions for sensitivity, dynamic range and bandwidth of the system are given. These forulas are of great importance in estimating system performances and demonstrating its applicability. The system has maximum sensitivity at the wavelength of 800nm. We have also performed an experimental calibration for sensitivity of the sensor to γ-ray, and a recommendation value for the sensitivity is given. Its bandwidth is expected to be more than 500 MHz. When the system is used to measure very fast pulsed radiation, it shows its distinctive advantage.

用光纤把辐射能转变为Cerenkov光光能的传感器和信号传输线时,可以构成频带极宽的电子束和γ射线脉冲诊断系统.本文从理论上计算了入射的相对论电子或入射的γ射线形成的Compton电子在光纤中产生的Cerenkov光的灵敏度.研制了光纤传感器和测量系统,给出了系统灵敏度、动态范围以及带宽的解析表达式,这对评价系统性能和论证可应用性是很重要的.标定了传感器对γ射线的灵敏度.现系统可突破常规系统带宽的极限记录.系统带宽潜力达500MHz以上,用于极快辐射脉冲测量将显示出它的独特优点.

High-speed on-off valves are widey used in PWM electropneumatic servo sys- tems and their characteristics are generally described by their on and off delay time. This paper focuses on establishing the relationships between their on-off switching behaviors and their frequency response characteristics. A method is proposed by which the frequency response characteristics of an analog PWM high-speed on-off valve can be calculated for inputs whose periods are certain multiples of the carrier period,...

High-speed on-off valves are widey used in PWM electropneumatic servo sys- tems and their characteristics are generally described by their on and off delay time. This paper focuses on establishing the relationships between their on-off switching behaviors and their frequency response characteristics. A method is proposed by which the frequency response characteristics of an analog PWM high-speed on-off valve can be calculated for inputs whose periods are certain multiples of the carrier period, based on its switching be- haviors. Thus, a simple and direct describing function for a PWM high-speed on-off valve is established.

研究PWM高速开关阀的频率响应特性与其开关特性间的关系,提出了一种方法,据此可以计算在输入正弦信号的周期与载波同期之比为一整数点上PWM高速开关阀的频率响应特性,通过仿真研究得出了该环节的描述函数。

 
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