ac bridge meaning in English

交羚桥
交流电桥

For such capacitance measurement , there are several method such as resonance , charge / discharge , ac bridges , and so on . these method are all implemented by analog device with analog output . with the maturity of the digital ics , some digital method comes up
针对这种微小电容的检测,目前的方法主要有谐振法、充放电法、交流电桥法,这几种都是利用模拟器件实现,输出均为模拟量。