Receiving circuits detect the wave reflected by human tissue and output electric signal that has been demodulated.
回波处理电路用于检测由人体组织反射的超声信息，对转换成的电信号进行解调输出。
Owing to the presence of interface of dielectric and air, it is required to impose three waves, including incident plane wave, reflected and transmitted waves at the total-scattered field boundary.
考虑入射波在两种介质界面上会产生反射和透射，故在总场边界上引入入射波、反射波和透射波。
Owing to the presence of interface of dielectric and air, it is required to impose three waves, including incident plane wave, reflected and transmitted waves at the total-scattered field boundary.
考虑入射波在两种介质界面上会产生反射和透射，故在总场边界上引入入射波、反射波和透射波。
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