On condition that the open-loop parameters are given, the loop filter of feedback seismometer with a velocity transducer is one of the key factors of effecting seismometer main technical performances. 在开环参数一定的条件下,速度传感反馈地震计中的环路滤波是影响地震计主要技术指标的关键环节之一。
Then velocity and acceleration of the vibration table can be calculated by the amplitude and frequency measured. With the help of a special computer displacement, velocity and acceleration transducer may be calibrated. 由振幅及频率进而计算出振动台的速度和加速度,配合专用计算机,可标定位移,速度及加速度传感器。
Research on Methods of Improvement for Amplitude/ Frequency Characteristic of Vibration Velocity Transducer 振动速度传感器幅频特性改进方法的研究
Research and Application of Velocity Type Transducer to the Quality Test of Pile 速度型传感器在桩基检测中的研究与应用
In this paper, the dynamic characteristics of magnetoelectric vibration velocity transducer are analyzed based on the mechanical model and the method of dynamic characteristics improvement is presented to realize ultra-low frequency vibration measurement by means of the transducer. 以磁电式振动速度传感器的模型为基础,分析了传感器的动态性能,提出了一种利用现有磁电式振动速度传感器实现超低频振动测量的动态性能改进的软件补偿方法。
Elimination of Electromagnetic Interference in Vibration Velocity Transducer 电磁干扰在振动速度传感器中的消除
Research of Frequency Bandspread of Magnet electrical Absolute Vibration Velocity Transducer 磁电式绝对振动速度传感器频响展宽研究
Software Method of Dynamic Characteristics Improvement for Vibration Velocity Transducer 振动速度传感器的动态性能改进的软件方法
The driving voltage/ current and response velocity of an ultrasonic bonding transducer were measured to obtain the dynamical characteristics of the ultrasonic vibration system. The response velocity of transducer was measured by the laser Doppler vibrometer. 测得超声键合振动系统的输入电流、电压,用激光多普勒测速仪测得换能杆系统的响应速度,研究了超声引线键合工艺中超声振动系统的非稳态动力学特性。
This paper introduces a new way of position controlling that adopts rotating encoder, velocity card of transducer and PLC to form a close-circle system and to examine position with high speed counter of PLC. 介绍了一种位置的闭环控制方法.它利用放置编码器、变频器速度卡和PLC组成闭环系统,由PLC中的高速计数器来检测位置。
In combination with capacitance based velocity transducer, it can be used to measure the mass flow of gas/ solid two phase flow. 与电容式速度传感器组合成一体化装置,可用于在线测量气/固两相流质量流量。
This paper is focusing on the interference of electromagnetic field to magnetoelectric velocity transducer and provides a method to eliminate the interference automatically. 本文着重介绍了电磁场对磁电式速度型传感器产生的干扰及一种自动消除干扰的方法。
The Research for Frequency Response Bandspread of Magnet-electrical Velocity Transducer Bsaed on Selection Frequency Compensation 基于选频补偿的磁电式速度传感器频响展宽研究
The flow velocity detecting system of oil well injected liquid is introduced. The system is composed of the PTCR heat dissipative flow velocity transducer in the pit and the single chip computer based data acquisition system at the wellhead. 介绍了由井下PTCR热散式流速传感器和井口单片机数据采集系统组成的油井注入液体流速检测系统。
This paper starts with the mechanical model of magnet-electrical absolute vibration velocity transducer, analyzes its natural defect, puts forward a new way of bandspreading the frequency response of transducer and compensating the transfer function of transducer based on a network of selection frequency. 本文从磁电式绝对振动速度传感器的力学模型入手,分析了该传感器的固有缺陷,提出了一种基于选频网络,对传感器传递函数进行电路模拟补偿,从而展宽其频响的新方法。
Gear rotating velocity transducer based on InSb magnetoresistor 基于InSb磁敏电阻器的齿轮转速传感器
Research on capacitive velocity transducer 基于电容式速度传感器的研究
We validate the feasibility of velocity transducer based on the laser diode self-mixing effect. Single laser diode sensor prototype is developed. Standard deviation of velocity measurement result is 0.22% in road test. 本文验证了基于自混合效应的速度传感器的可行性,并设计了单激光二极管速度传感器,其标准偏差为0.22%。
Development of high flow velocity transducer for deepwater 深海高流速传感器研制
Based on the analysis on the coil structure of the induction velocity transducer, the paper explores about some factors which affect the test precision of the velocity, and puts forward the technical ways to improve the test precision of the velocity. 本文对感应式测速传感器的线圈结构进行了简要分析,探讨了影响测速精度的一些因素及提高测速精度的技术途径。
Testing the Magnetoelectric Shock Velocity Transducer's Characteristics by Using the Hammer Shock Machine 用落锤冲击机测试磁电式冲击速度传感器的性能
The drop weight velocity during impacting was obtained and recorded by a velocity transducer and the corresponding signal processing system. 利用传感器技术记录了落锤冲击板过程中速度随时间变化曲线,计算了冲击动能和材料损伤时的能量吸收。
Research on Velocity Difference Transducer of Mine Use and Its Application 矿用速差传感器的研究与应用
Analysis on coil structure of induction velocity transducer 感应式测速传感器线圈结构简析
The advantage of moving coil velocity transducer in low frequency offers a valuable reference. 动圈式振速传感器在低频段的优势为矢量水听器向低频段的发展提供了有价值的参考。
One macro method of setting the air velocity transducer – minimum and full coverage of distribution method has been proposed, the concept of branch coverage degree and impact roadway range library have been given. 提出了一种宏观上风速传感器的布置方法&最少全覆盖布点法,又给出了分支覆盖度和影响巷道范围库的概念。
Unary linear regression equation between measured value of air velocity transducer and average air velocity is established by experimental data, and the effect has been evaluated. 通过试验数据建立了风速传感器的测量值与平均风速之间的一元线性回归方程。
Adopt "hysteresis comparator" to realize the signal measurement of magnetic velocity transducer. 4. Controller software design. 采用迟滞比较器设计实现了磁电式速度传感器的信号处理电路。4、控制器软件设计。
It has been done the industrial testing in Daming, the feasibility of fault diagnosis techniques and methods are been validated, and the program of setting air velocity transducer has been made, which has important significance to the mine ventilation system. 对铁法大明矿进行了工业试验,验证了故障诊断技术及方法的可行性,并做了风速传感器布置方案,对矿井通风系统具有重要的指导意义。
Environmental parameter detection system is used to measure vehicle speed, temperature. Single-chip system that is made up of air velocity transducer is used to measure the environment parameter such as vehicle speed, temperature and wind speed for the correction of the amount of noise. 环境参量检测系统为车速、温度、风速传感器构成的单片机系统,用以检测汽车行驶速度、温度、风速等环境参量,以便检查并修正噪声量。