To resolve this problem, a free space transmission system for optical signals is developed on base of diffraction effect of acoustooptic crystal.
由于电信号传输系统保密性和抗干扰能力差，为此，利用声光晶体的衍射效应研制了一种光信号自由空间传输系统。
The infection of the space charge was observed by simulating the transmission of the beams, and the parameters of the system were optimized to control the envelope of the beam.
通过模拟束流的传输过程，观察空间电荷效应对束流产生的影响，进一步对注入系统的元件参数进行适当的优化，从而对束流包络进行控制。
The transmission of audio and video data becomes more and more important in the space data transmission system.
空间数据传输系统中，音、视频数据的传输变得越来越重要。
The portable data acquisition test system can conveniently and reliably realize the transmission and storage of the space remote data.
为了对空间遥感数据进行方便可靠地实时传输、存储，研究了空间遥感仪器便携式数据采集试验系统。
The system realizes space-selective transmission and temporal pre-RAKE.
该系统能实现空间的选择性发送和时间的预RAKE发送。
As the guidance recognition medium, the Guiding Sign System of urban public space serve the people in order to enhance the convenience and the information transmission.
城市公共空间导识系统，作为导向识别的媒介，为提高人们生活的方便和信息的传达而服务。
By optimizing the arrangement mode among the gears, the gear transmission system can ensure that the internal space structure of the diesel engine is more compact.
通过优化齿轮间布置方式，可使柴油机内部的空间结构更为紧凑。
By optimizing the arrangement mode among the gears, the gear transmission system can ensure that the internal space structure of the diesel engine is more compact.
通过优化齿轮间布置方式，可使柴油机内部的空间结构更为紧凑。
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