一种采用双传感器假人抗噪声的光学仪器

K. Mine, N. Kubota, F. Morimoto, M. Sanada, L. Ne
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引用次数: 0

摘要

交替消噪(ANC)的方法以前是为光学仪器开发的:一种使用双光传感器,另一种使用单光传感器,可以消除传输线上的正常模式噪声(NMN),即使噪声是相等的状态噪声。以前还开发了一种使用具有传感器虚拟电阻的传感器的方法,使用ANC方法不仅在传输线上而且在传感器线上对抗NMN。在这种情况下,传感器虚拟电阻必须调整到适合的平均值,以对抗不断变化的光电传感器阻抗。提出了一种利用光传感器和双假人传感器(即反向连接假人传感器)的自动控制新方法。这种方法不需要调整任何虚电阻。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An optical instrumentation using dual sensor-dummy against noises
Methods of Alternating Noise Canceling (ANC) were previously developed for the optical instrumentation: one using a dual photo sensor and another using a single photo sensor that could cancel normal mode noise (NMN) on a transmission line, even if the noise was equal status noise. A method using a sensor with a sensordummy resistance was also previously developed using ANC method against NMN not only on a transmission line but also on a sensor line. In this case, the sensordummy resistance had to be adjusted to a suitable averaging value against the changing impedance of the photo sensor. A new method of ANC is developed using a photo sensor and a dual sensor-dummy i.e. an inverse-connected sensordummy. This method doesn't need adjustment for any dummy resistance.<>
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