英德
有道
百度
谷歌
图片
维基
百科
双放大电路 [shuāng fàng dà diàn lù]
double amplification circuit
- 简介、网络的组件和网络定律、网络分析与节点电压和纲目电流，网络的性质-载维宁和诺顿的等效电源、运算放大器、三接端网络的等效电路与双端口网络。
Introduction, Network Laws and Components, Introduction to Circuit Analysis, Network Node Voltages and Mesh Currents, Network Properties—Thevenin's and Norton's Equivalent Sources, Operational Amplifiers, Equivalent Circuits for Three-Terminal Networks and Two–port Network. - 以双凹槽简支板为研究对象,在双凹槽简支板上贴上应变片,加上电桥测量电路、运算放大器和数字存储记录仪等组成压力载荷的测量系统,在液压式压力机上进行加载实验,得到了双凹槽简支板的承载特性.应用DY-NA有限元程序对其承载特性进行了数值计算.实验结果和数值计算吻合较好,说明这种测量方法可行.
Pasted with strain gauges and making use of bridge circuits,an operating pressure load measuring system constituting of amplifier and digital storage instrument,is used to measure the load carrying characteristics of a simply supported rectangular plate with two flutes on a hydraulic press.The characteristics have been calculated by DYNA program.The result of experiment matches the calculation and shows that the method is feasible. - 电话机系列电路包括双音频振铃电路、带拨号接口的低压语音传输电路、声控扬声电话电路及音频功率放大器，覆盖一般电话机内所用的全部音频集成电路。
Telephone sets Ics include dual-tone ringers, low voltage speech transmission circuit with dialer interface and voice switched speakerphone circuit, etc. cover with all the audio Ics in the telephone sets.
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