【摘要】 文章从提高应变检测精度，消除测量误差出发，详细分析了用电桥原理测量应变所带来的非线性问题，并由此论述了一种新的有源检测网络和测量应变时几种技术问题及克服误差的一些方法．更多还原

【Abstract】 The non-linear problem of measuring strains withe an electric bridge is analyed in detail.A new detecting network,a technical problem of measuring strains and a method for overcom-ing errors are discussed.And then the method of raising the precision of the detection ofstrains and that of elimminating the error of the measurement are described.更多还原