A visual servo scheme is employed for the closed loop mode, while astronomy theory is used for the open loop mode.

其闭环工作模式采用了视觉伺服控制方法，开环工作模式则采用了天文跟踪方法；

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The sensor is made up of original circuit, magnetic core, Hall part, secondary coil and magnifier. There are two work modes: direct measure mode and closed-loop mode.

其结构由原边电路、聚磁环、霍尔器件、次级线圈和放大电路等组成， 分直测式和磁补偿式两种工作方式。

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The solar tracker has two working modes, open loop mode and closed loop one, and it consists of an imaging unit, a turntable, steppers, the subsystem of micro control unit, a computer and so on.

提出的太阳跟踪器具有开环和闭环两种工作模式，由成像单元、转台、步进电机、单片机、上位机等模块构成；

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For those extended shoots, a new loop recording mode allows continuous, non-stop recording between the two cards -- no more swapping out your micro-SD on the move.

ENGADGET

Users whose adventures span hours, and even days, will especially appreciate the loop recording mode that allows for continuous, non-stop recording between two memory cards, eliminating the hassle of manually restarting recording and swapping out memory cards.

ENGADGET: iON reveals Adventure and Air Pro 2 sports cameras, we go hands on