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.
光束的捕获、跟踪和对准是自由空间光通信中必须解决的关键技术之一。
Laser beam's acquisition, tracking and pointing is one of key technologies of free space optical communication.
光束的捕获、跟踪和对准(atp)是自由空间光通信中必须解决的关键技术之一。
Laser beam acquisition, tracking and pointing (ATP) is one of key technologies for free space optical communication.
捕获、跟踪、对准(atp)系统是自由空间光通信(FSO)系统中一项关键技术。
Acquisition, tracking and pointing (ATP) subsystem is one of the key techniques in the free space optical communication (FSO).
捕获、跟踪、瞄准(atp)子系统是自由空间光通信系统的关键技术之一。
Acquisition, Tracking and Pointing (ATP) subsystem is one of the key techniques in the free space optical communication.
自由空间光通信(FSO)技术相对无线电通讯具有灵活，难以截获等优点。
Compared with Radio communication, Free Space Optical Communications (FSO) technology has flexible and anti-intercepted advantages.
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.
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.
计算机仿真结果表明，RS编码和交织技术非常适合空间光通信信道，能大大降低系统的误码率。
The results of simulation show that RS coding and interleaving are fit for the channel of space laser communication, and can largely decrease bit error rate(BER).
本文研究的空间光-光纤的耦合技术是自由空间光通信应用光纤通信技术的首要问题。
Free-space-to-fiber coupling technique investigated in this paper is the first challenge of applying fiber communication techniques to free space optical communications.
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.
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.
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.
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.
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.
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