• This thesis researches key technology involved in the design, development and application of the embedded radio measuring terminal and proposes reasonable solutions.

    本文研究嵌入式无线电台检测终端设计开发应用过程中所涉及关键技术问题,提出了解决方案

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  • The technology of based on the low power MCU of MSP430F449 and energy measurement IC of CS5460 which is a highlight of low power, low cost and high accuracy measuring terminal.

    介绍基于MSP430F 449超低功耗mcuCS5460专用电能计量芯片组进行设计具有功耗、低成本高精度特性的电能计量计费终端技术

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  • Since a partial discharge pulse waveform is irregular and the spectrum of each pulse is different, a pulse wave form will be distorted at the measuring terminal of the circuit.

    由于局部放电脉冲波形不规则,显然,它们频谱不同,这导致测量点上脉冲波形的畸变。

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  • Electrostatic shielding is provided by surrounding the signal path with a conductor connected to a low impedance point in the circuit, preferably the lo input terminal of the measuring device.

    利用连接电路一个导体,将信号通路包裹起来,即实现了静电屏蔽低阻点最好测量设备的LO输入端子

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  • This paper studies the method of auto balancing bridge to precisely measure inductance L, capacitance C, resistance R(namely LCR)by measuring the high and low terminal vector voltages.

    本文研究利用自动平衡电桥方法通过测量高端低端两路矢量电压精确测量电感L电容C电阻RLCR)。

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  • When measuring the charge on a device such as a capacitor, it's important to disable the zero check of the electrometer first, and then connect the capacitor to the high impedance input terminal.

    测量一个器件电容器电荷时,重要之点是要首先关闭静电计零点检查功能,然后再将电容器连阻抗输入

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  • A new management has been proposed, which can resolve the problem of multiple rate in measuring information terminal and real time resource management currently.

    本文主要针对当前存在计量信息终端费率资源实时管理问题提出一种新的管理方式。

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  • A duty ratio measuring circuit, which using differential voltage amplifier as core component, was designed utilizing the relationship between the duty ratio and the compensatory terminal of PWM IC.

    介绍一种利用PWM电路补偿端电压之间关系,设计差动电压放大器核心构成的占空比测量电路能以数字显示形式直接给出脉冲电源输出电压的占空比。

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  • The wide-angle sky screen can be used for measuring the terminal velocity of the projectile, and providing synchronous signal for other trajectory measurement apparatus as the trigger device of the .

    装置可以用来测试弹丸作为较大靶面的触发装置,其他弹道测试仪器提供同步信号

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  • An example is used to illustrate how to design classify cargo and operation activity-based cost measuring method and control costs in a certain bulk cargo terminal.

    实地研究部分以港口杂货公司为采用部门作业成本,按照成本动因对营运间接费用辅助营运费用进行了分配。

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  • An example is used to illustrate how to design classify cargo and operation activity-based cost measuring method and control costs in a certain bulk cargo terminal.

    实地研究部分以港口杂货公司为采用部门作业成本,按照成本动因对营运间接费用辅助营运费用进行了分配。

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