介绍一种基于MPEG 2的变码率到定码率的视频转码压缩系统。
A system based on MPEG-2, which implements the transcoding and compression from VBR to CBR, is discussed.
介绍一种基于MPEG 2的变码率到定码率的视频转码压缩系统。采用软件实现,极大地降低了成本。
A system based on MPEG-2, which implements the transcoding and compression from VBR to CBR, is discussed. Because of the use of software, the cost is reduced remarkably.
由于无线信道的时变、高误码等特性,码率可变的RCPT码是比较理想的信道编码方式。
For the characteristics of wireless channel such as time-variety and high BER, the rate adjustable RCPT code is good for channel coding.
并结合具体的卫星移动通信信道的复杂时变特性,对SCTCM在该信道下的误码率(BER)性能进行了理论分析,给出了误码率的一个上界。
According to the complicated time varying property of the satellite mobile communication channel, the BER performance of SCTCM in this kind of channel is analyzed and an upper bound is given.
同时还得到了两种变步长LMS均衡算法中的参数和均衡器输出误码率的关系。
The relations between parameters of two variable step size LMS algorithms and BER are obtained.
同时还得到了两种变步长LMS均衡算法中的参数和均衡器输出误码率的关系。
The relations between parameters of two variable step size LMS algorithms and BER are obtained.
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