帝国通过跟踪秘密装在“千年隼号”上的寻的信标发现义军的方位后，死星立即进入雅文星系。

When the Empire discovered the location of the Rebels by following a homing beacon secreted aboard the Millennium Falcon, the Death Star soon appeared in the Yavin system.

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以平均值平滑滤波法和质心法实现了对信标光斑定位，利用卡尔曼预测算法实现了具有自适应能力的递归跟踪算法。

Using smoothing filter and average-force algorithm to position beacon's facula, then use kalman prediction algorithm with the adaptive capacity to achieve the recursive tracking algorithm.

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在移动大气激光通信中，通常采用信号光和信标光来完成信号的捕获、跟踪、定位以及通信。

In mobile atmosphere laser communication, we often complete acquisition, tracking, pointing and communication by signal laser and beacon laser.

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