本文由电路原理和数学方法推导出集电装置的接电阻对电桥输出信号精度的影响非常小的结论。
In the light of circuit principles, the author has mathematically ascertained that the contact resistance in an integrated circuit has little effect on the accuracy of output signals from the bridge.
一高质量电阻器在信号道路和使用瑞士与黄金接触适合低接触电阻和长期的耐久性一起使精密衰减器内只。
Only one high-quality resistor in the signal path and using the Swiss made precision attenuator with gold contacts for low contact resistance and longtime durability.
在有些应用中，例如测试电缆和印制板的绝缘电阻及耐压测试，可能需要切换高压信号。
Some applications, such as testing insulation resistance of cables and printed circuit boards and high-pot testing, may require switching high voltages.
选择采样电阻，既要信噪比好，又要避免产生过大的测量信号。
Sampling resistance is both the signal to noise ratio to be good and avoiding to produce the oversized survey signal.
当切换低压信号并进行低电阻测量时，可通过偏移补偿的方法消除热电效应偏移电压。
When switching low voltages while making low resistance measurements, the thermoelectric offset voltages may be canceled by using offset compensation.
因此，此电路特别适用于电阻式传感元件的信号处理。
The converter is therefore suited as a signal conditioner of a resistive sensor.
介绍了电阻炉温度控制系统的硬件组成、温度信号的高精度转换及触发控制电路。
The hardware composition, high precision conversion of temperature signal and the trigger control circuit for resistance furnace are introduced.
PT100温度传感器和精密电阻构成的电桥测量电路输出微弱的电压信号。
The electrobridge measurement circuit, which consists of PT100 temperature sensor and precise resistance, outputs slight voltage signals.
讨论了一些影响放电电压大小及频率的电源参数，如供电电压、控制信号占空比、振荡电路的电阻和电容等。
Some factors affecting the frequency and magnitude of power supply, such as supply voltage, duty of control signal, the resistance and capacitance of oscillation circuit are discussed.
本文对该技术，尤其是在高速信号传输中的性能进行评价，并与其它形式的电阻进行比。
This paper reviews the technology especially its performance in high speed signal transfer, and compares it with other resistors.
过套管电阻率测井是一项重要的测井技术，该项目的一个难点为微弱信号的检测。
Through casing resistivity logging is an important logging technology, and the difficulty in this technology is the detection of weak signal.
负载平衡电阻在摩托车电路中发挥着改善充电信号质量和保证充电、照明电路工作稳定可靠的作用。
The load-balance resistance plays an important role in improving electric signal quality and keeping the stability and reliability of charging and illuminating circuits.
首先，介绍了电阻应变测量法的基本原理，应变测量的理论、方法以及相关的信号处理知识。
First, the basic principle of the strain measurement with bonding resistance, theory of strain measurement, method and the relative signal disposition are introduced in the dissertation.
在电阻应变计的位置布局中，利用了空间对称结构形式，从而实现了信号的加强、补偿以及多通道冗余功能。
The reinforcement and compensation and multiple channel redundancy of signals are realized by using space symmetric structure of resistance strain gauges.
本文介绍了一种以数字信号处理器DSP为核心的电阻炉温度控制系统。
This text introduced a kind of with digital signal processor DSP for core of electric resistance furnace temperature control system.
实现了槽信号的实时曲线和历史显示，历史报表查询，槽电阻频谱分析和神经网络故障诊断功能。
The program realized displaying real time curve and history curve of cell signals, querying history report, spectrum analysis of cell resistance and fault diagnosis for the cell state.
利用电阻应变计开发的动应变测量系统，成功的实现了机械振动信号的动态检测。
The dynamic test in signal detection of mechanical vibration are realized by using resistance strain gauges.
在硬件方面，采用RC滤波器、压敏电阻、光电隔离等措施，消除了采样通道及A/D通道的干扰信号；
For hardware design, RC filter, voltage sensitive resistor and photoelectric isolation method are used to eliminate interference signal in sampling channel and A/D channel.
进一步探索电阻点焊信号与焊接质量的映射关系。
It provide for explore the mapped relation of the signals of resistance spot welding and the quality of welding.
电阻点焊过程动态信号蕴含着大量直接或间接反映焊点质量的动态信息。
Lots of dynamic information, which can directly or indirectly reflect the quality of welded spot, are included within the dynamic signals of resistance spot welding process.
另外，采用电阻替代霍尔传感器检测电流信号。
The converter uses a resistor to sense current signal instead of Hall sensor in addition.
此外带宽问题，我们注意到，在与声音信号的动态收缩总是和细节损失将电阻一系列成果。
Besides bandwidth problems, we have noticed that putting resistors in series with the sound signal always results in dynamic constriction and loss of details.
结果表明，随着电激励信号频率的增大，果品的电容、电阻以及损耗角正切值均减小；
The test results indicate that with the increase of frequency, the capacitance, resistance and losses tangent decrease.
最后，探讨了旋转、脉动高频电压信号注入法下定子电阻对转子位置估算影响的问题。
Finally, the stator resistance effect of rotor position estimation in high frequency voltage signal injection is investigated.
在每次测试第一次通电过程中，控制动作时间比较电路启动，同时数字信号处理芯片自动记录每一路的热敏电阻的动作时间数据，并进行处理。
In the first course of testing, the operating time of compare circuit is brought into play, synchronously, digital signal processor clock all the testing circuits operating time and keep these .
该系统利用计算机控制D／A转换器及精密电阻分压器，输出标准电势作为被检仪表的信号源；
In the system, a computer is applied to adjust a D/A device and a precise voltage divider for criterion signal output.
硬件部分主要包括应变电阻片、信号检测电路、数据采集与处理系统等。
The part of the hardware includes strain resistance, signal detecting circuit, data acquisition and processing system, etc.
同时为了保证测量精度，采用偏置电流极低的运算放大器opa128，并且增大了反馈电阻，以增强对弱信号的响应。
An OPA128 operational amplifier with extreme low bias current and big gain is adopted for enhancing the response to weak signals.
同时为了保证测量精度，采用偏置电流极低的运算放大器opa128，并且增大了反馈电阻，以增强对弱信号的响应。
An OPA128 operational amplifier with extreme low bias current and big gain is adopted for enhancing the response to weak signals.
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