| 1. | Verification regulation of charge amplifier 电荷放大器检定规程 |
| 2. | Reliability - analysis of charge amplifier 电荷放大器可靠性分析 |
| 3. | Hybrid integrated circuits detail specification for type hca2 charge amplifiers 混合集成电路hca2型电荷放大器详细规范 |
| 4. | The microcomputer of at89c52 is the key part of the system which include transducers , charge amplifiers , filters , a / d transformer as well as the executive circuit which is corresponding with stepper motor 该系统是以at89c52单片微型机为核心,外围硬件包括传感器、放大器、滤波器、 a d转换器等以及与步进电机配套的执行电路。 |
| 5. | According to the indexes of the electricity generating performance and their affecting factors , a system with a hall displacement transducer and a charge amplifier to measure the vibration amplitude of the pec and the quantity of electric charge was developed 根据压电陶瓷发电性能指标以及影响因素,设计了采用霍尔位移传感器和电荷放大器对压电陶瓷振幅和电荷量进行测量的系统。 |
| 6. | The measurement system consist of computer , 16 - channel high speed data acquisition board , spark plug pressure sensor , crank angle signal generator , charge amplifier and oscillograph . the max acquisition frequency of this system is 1mhz 由通用微机、 16通道无相差高速数据采集卡、火花塞式压力传感器、角标信号发生器、电荷放大器、示波器组成的高速数据采集系统,最高总采样频率为1mhz 。 |
| 7. | After analyzing the sense principles and calculation expression for piezoelectricity , we compose a sense network , compare the difference between the voltage amplifier and charge amplifier , give out the electric circuit of piezoelectric sensor for measure system 在分析了压电片对动态应变的传感原理和计算表达式后,该系统采用压电传感器组建了一个传感器网络。并且对比了电压放大器和电荷放大器的差异。 |
| 8. | Secondly , experiments were made to analyze the effect of the wheel damper , we used the system composed of a self - made pendulum , three acceleration sensors , a four - channel charge amplifier , a sound level meter , a signal collection analyzer and the dasp software 其次,对车轮阻尼器的降噪效果进行实验分析。实验采用激振单摆、加速度传感器、电荷放大器、声级计、智能信号采集处理分析仪以及dasp软件组成的测试系统。 |
| 9. | The combined motor vibration sensor which is held manually with double charge amplifier placed inside and with frequency compensating circuit is designed based on the existed press - electricity accelerator of vibration and the measuring vibration system of charge amplifier in the paper 本文在现有振动压电式加速度计、电荷放大器测振系统的基础上,设计了手持式内置微型双电荷放大器和频率补偿电路的一体化发动机振动传感器。 |
| 10. | Modern cylinder pressure acquisition system is deeply affected by the advanced computer hardware technology . a / d card with the capabilities of high resolution , high sampling rate , non discrepancy and setting sampling rate at will is combined with a lot of excellent measuring equipment such as crank shaft angle encoder , charge amplifier , industrial control computer , etc . we use four type 6117a46 spark plug cylinder pressure sensors made by kistler corp . , 高速发展的计算机硬件技术深刻影响着现代气缸压力数据采集系统的发展,高分辨率、高采集率、多通道、无相差和可以任意设定采样频率等特性的a / d板卡及一大批性能优越的相关测试仪器如转角信号发生器、电荷放大器、工控计算机等。 |