基于该数学模型，优化设计了高可靠性、高稳定性的信号调理电路，并在聚焦元件自动测量系统中得到了实际应用。
Based on this mathematics model, the optimum signal-processing circuit, having high reliability and high stability, is designed and applied to the automatic measurement system of the focusing units.
如果芯片有问题，应该直接研究金属层来察看电路，而对于聚焦离子束系统则应该重新布线。
If there was a problem with the chip, you could probe the metal directly to watch the circuitry, and, with a focused-ion-beam system, you could even rewire it.
针对视频监控中摄像机镜头光圈大小、图像聚焦、图像变焦三项参数的控制问题，介绍了一种基于89c51单片机的镜头控制电路的设计。
Abstract: The design of camera lens control circuit based on 89c51 is introduced. This circuit can adjust parameters of camera such as aperture, zoom and focusing.
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