软件无线电技术已在军事和商业无线电系统中被越来越多地采用，必将成为现代通信领域的主流技术。
Software radio technology is being increasingly used in the wireless communication system of military and commerce, and will become the main technology in modern communication.
1995年，日本电信运营商和各大通信公司共同开发的PHS系统正式投入商业运营。
In 1995, PHS system that operator and every large communication Company of Japan develop jointly, put into commerce run formally.
因此，如何针对无线视频通信的特点建立一个高效、鲁棒、低耗的信源编解码系统，存在着巨大的商业前景和重要的学术价值。
Therefore, there are great commercial prospects and important academic value to build a source codec system with efficiency, robust and low computational consumption for wireless video communication.
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