无线数据采集系统中应变片直流电桥设计

The design of resisitance strain of electric bridge in wireless data collects circuit

论文针对复杂系统无线数据采集电路中电阻应变片直流电桥测量电路存在的问题进行了详细的分析,根据实际系统对灵敏度、功率等要求,合理地对增益电阻和滤波电容进行了选择,提出了一种行之有效的电阻应变片直流电桥无线数据采集测量电路的设计方案。经过测试证明该方案在数据采集系统中稳定、可靠。

this paper makes a detailed analysis for the problem of electric resistance of strain movie direct current electric bridge measurement circuit in wireless data collect circuit, make a right choice of the effective electric resistance and the wave filtering ca- pacitor that according to the requests of the abstract system to the sensitivity and power, and bringing forward on gain electric resistance and wave filtering capacitance rationally has measured the circuital design plan, and it is steady and dependable after the testing of in wireless data collect circuit.