在载人航天应急搜救中，及时获取目标的位置信息，并准确掌握搜救载体的动态信息至关重要。
It is considerable importance to acquire in good time the exact dynamic information on search and rescue vehicle and target position information during an emergency rescue of manned spaceflight.
以便捷、低成本的方式为智能交通系统获取动态、实时的高精度位置信息，为本次研究的主要目标。
In this thesis, it is the main objective to find a convenient and low cost way to acquire dynamic, high-precision, real-time location information for the intelligent transportation system.
动态光束定向技术用于使光束传播方向保持不变，进而将成像目标稳定在视场中的某一固定位置。
The dynamic light beam pointing technology is used to keep orientation of light beam invariable, and light can be focused around some a fixed position in the field of view.
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