The theory and application of vibration measurement by using piezoelectric accelerometer, charge amplifier and dynamic signal analyzerare introduced. 阐述了利用压电式加速度计、电荷放大器、动态信号分析仪进行振动测量的原理及应用。
Study on DSP-based Data Acquisition and Processing Technology of a Piezoelectric Six Degree-of-freedom Accelerometer 基于DSP的压电式六维加速度传感器的信号采集与处理技术的研究
Multi-zone high-speed distance relay Analyse Zero-drifts of the Piezoelectric Accelerometer in Rapid Impact 分域高速远距继电器压电式加速度传感器在高冲击环境下的零漂分析
The piezoelectric acceleration sensor is a kind of common accelerometer. 压电式加速度变送器是一种常用的加速度计。
The equivalent model and sensing equations for PVDF piezoelectric films sensitive component in vibration measurement are explored. The composition and functions of processing systems and its applications in smart flexible beam are introduced. The result compared with the accelerometer is also presented. 建立了测量振动的PVDF压电薄膜敏感元件的等效模型与传感方程,介绍了测量信号处理系统的结构、功能和用于机敏柔性梁上的实验结果,并给出了与加速度传感器测量结果的比较。
Calibration of Charge Sensitivity of Piezoelectric Accelerometer by Impact-Digital Method 用敲击数字法校准压电式加速度计的电荷灵敏度系数
Centred around piezoelectric accelerometer and signal processing circuit, the vibration frequency sensor which can measure simple harmonic oscillation frequency is studied, and the design method for kernel signal processing circuit of the sensor is also presented. 以压电式加速度传感器和信号处理电路为核心,研究了一种可以测量简谐振荡频率的振动频率传感器,给出了该频率传感器核心控制电路的设计方法。
Study on the Stability of Piezoelectric Quartz Accelerometer 压电石英加速度传感器稳定性研究
A Low Frequency Piezoelectric Accelerometer With Low Temperature Transient Sensitivity 具有低瞬变温度灵敏度的低频压电加速度计
The mechanical structure of piezoelectric accelerometer is designed, and the operation equations on X, Y, and Z axes are deduced, and the test results of three dimensional sensitivities response are given. 设计了压电加速度计的机械结构,推导了加速度计的X,Y,Z方向的特性方程,给出了三自由度的频响测试结果。
Introduces the structural characteristics and working principles of the piezoelectric accelerometer. 介绍了压电式加速度传感器的结构特点与工作原理。
This paper presents a kind of inertial measurement system made of piezoelectric sensor and accelerometer. 本文介绍了一种由压电陀螺和石英挠性加速度计组成的捷联惯性测量与制导系统。
Theory and Application of Vibration Measurement with Piezoelectric Accelerometer 基于压电式加速度计的振动测量原理及应用
The principle and technique of an experiment on a linear piezoelectric accelerometer are outlined. The experimental results are given and error analysis is carried out. 本文简要介绍了压电线性加速度表的试验原理和试验方法,给出了试验结果并进行了误差分析。
Design and simulation of four-beam piezoelectric accelerometer with slot substrate 一种沟槽结构四臂压电式加速度计的仿真设计
This paper reports a kind of two-dimensional combined vector hydrophone of resonant-column type in which a piezoelectric accelerometer are used as are sensing element. 介绍一种采用两只压电加速度计作为敏感元件的二维同振型组合矢量水听器。
At first the paper explained the principle of Strapdown inertial navigation system, fundamental knowledge of inertia device, the principium 、 application and Index of Performance of piezoelectric gyroscope, quartz accelerometer. 本论文首先简要的介绍了捷联惯导的基本原理,惯性器件的基本知识,压电陀螺、石英加速度计的原理、应用以及性能指标。
Based on impedance analysis of equipment of wire-drawing experiment with ultrasonic vibration, vibration measurement and performance evaluation are realized with piezoelectric accelerometer, charge amplifier and dynamic signal analyzer. 在阻抗分析的基础上,应用压电加速度计、电荷放大器和动态信号分析仪对超声振动拉丝实验装置进行了振动测试和性能分析。
In view of predecessors 'research achievements we put forward a method using square wave excitation and the Fast Furrier Transformation ( FFT) to realize the comparison calibration for the calibration system of piezoelectric accelerometer. 在吸收前人研究成果的基础上,文中提出了工作用压电加速度传感器校准系统应用方波信号激励,同时应用快速傅立叶变换(FFT)的方法来实现比较法校准。
The Application of Virtual Instrument Control in the Calibration System of Piezoelectric Accelerometer 虚拟仪器控制在压电加速度计校准系统中的应用
Piezoelectric accelerometer can be regarded as the with high impedance component that can produce charge. 压电加速度传感器可以看作是一个能产生电荷的高内阻发电元件。
The Development of a Low Impedance Piezoelectric Accelerometer 新型低阻抗压电加速度计的研制
The energy transformation and transform efficiency in the piezoelectric accelerometer are, analysed and the performance specifications are evaluated. 分析了压电加速度计在工作过程中各种能量之间的转换及转换效率,给出了评价压电加速度计性能的指标,指出了影响其性能的因素。
Structure Improvement and the Designing of the Piezoelectric Accelerometer 压电式加速度传感器的结构改进与设计
Calibration sensitivity of piezoelectric accelerometer output under varying environmental temperature 变温环境下压电加速度传感器输出灵敏度校正
Development of A Space Vibration Piezoelectric Accelerometer 空间振动压电加速度计的研制
Some further research work on the theories and methods of the calibration of piezoelectric accelerometer has been done and control techniques of virtual instrument have been introduced to increase the automation degree of the calibration system in this paper. 本文在压电加速度传感器的校准理论和方法问题上作了进一步的研究工作,并引入虚拟仪器控制技术到校准系统中提高了校准系统的自动化程度。