考虑了工作信号躁声，感光光电二极管深嵌入硅片中，与芯片表面上产生噪声的元件相隔离。
Operating signal noise was also considered, and the sensor photodiodes were deeply embedded in silicon to isolate them from noise-causing elements on the chip surface.
电子元件，特别使用声表面波工作的元件-OFW元件，以及制造该元件的方法。
Electronic component, esp. one operating with acoustic surface waves (OFW component) and process for its prodn.
介绍了一种采用动反馈式扬声器的管道有源自适应噪声控制系统，系统中动反馈扬声器既作为有源消声系统的执行元件，也作为检测控制效果的声传感器。
An active adaptive noise control system in ducts is proposed, which adopts a motional feedback loudspeaker not only as an noise controlling actuator but also as a detecting sensor.
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