精跟踪伺服系统是自由空间激光通信中的一项关键技术。
The system servo of fine tracking plays a key role in space laser communication.
自由空间激光通信技术具有高码率、无干扰、高可靠性的优点。
The free space laser communication technology has an advantage of high speed, no disturbance and high security.
本文在空间光通信技术研究现状的基础上，论述了空间激光通信中的关键技术。
Based on the developed actuality of FSO technology, this paper discussed the key technique of FSO.
空间激光通信中发射波面质量接近衍射极限，测量波面是调整和检验发射系统的依据。
Laser transmitting wavefront is near diffraction-limited in space laser communication. Wavefront measurement is the basis of system adjustment and testing.
作为星际光链路的空间激光通信可建立全天候、高机动性、高灵活性、高可靠信息平台。
Space laser communication, which is regarded as Inter-satellite optical links can establish a round-the-clock, high-flexibility, high-agility, high-reliability information platform.
高精度、宽带宽的激光捕获、对准和跟踪(APT)技术是自由空间激光通信的关键技术。
Acquisition, pointing and tracking (APT) is the key technology in free space laser communication with the characteristics of high precision and large bandwidth.
目前由于各国空间激光通信试验的不断推进，解决激光通信中的一些关键技术就变得刻不容缓。
At present, owing to the space laser communications experiment continuous progress in the settlement of laser communication some of the key technology becomes imperative.
基于TMS320F 2812的自由空间激光通信快速定位跟踪系统，由四象限探测器、高速放大电路及DSP2812构成。
The fast orientation tracking system with free space optimal communication based on TMS320F2812 consists of four-quadrant detector, high-speed amplificatory circuit and DSP2812.
通信领域中激光通信技术由于自身的优越性得到了广泛的应用。通过将空间激光通信与微波通信比较，介绍空间激光通信的优点：大容量、低功耗及体积小、质量轻等。
By Comparison with microwave communication, the advantages of the free-space laser communication system, such as big capacity, low power consumption, small volume and light weight, are introduced.
大气激光通信是指利用激光作为载波在空间直接进行语音、数据和图像信息传送的一种技术。
Atmosphere laser communication is the technique which usually using laser as the carrier directly transmits voice, data and image in the space.
大气激光通信是指利用激光作为载波在空间直接进行语音、数据和图像信息传送的一种技术。
Atmosphere laser communication is the technique which usually using laser as the carrier directly transmits voice, data and image in the space.
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