Moreover, the bandwidth is a very limited and precious resource. And the low code rate speech codes is one of the important methods to be economical bandwidth.
信道带宽是非常有限和宝贵的资源，而低码率语音编码技术是节省带宽的重要方法之一。
Due to the limit of response speed of the present single-photon detector, the code rate is still too low to come into practical use for the present quantum key distribution (QKD) system.
由于单光子探测器响应速率的限制，目前的量子密钥分配系统的码率很低，限制了它的实际应用。
Because of using the technology of Vector Quantization, the rate of the code is low.
由于利用了矢量量化技术，所以该编码速率较低。
In modern times communication system, the video image compression code technique is mainly applied in the low code rate at present.
在现代通信系统中，高效快速的编码算法的研究已经成为视频图像传输的关键技术，是业界极为关注的热点课题。
In this curve, the point which had the largest inclined rate was a timing reference point of low frequency time-code receiver.
该曲线的斜率最大点即为低频时码接收机的秒定时参考点。
To overcome the bad performance in combating fading of BLAST and low code rate of STBC, a layered structure STBC is introduced in this article by combining BLAST and STBC.
主要介绍了发射分集技术中用于抗信道衰落和提高系统容量的空时分组码和分层空时码的原理和基本特点，并对这些空时编码技术进行了性能分析。
Also the method effectively solved the problem of low precision code and improved system recognition rate.
从而有效的解决了在汉语方言辨识中码本精度不高的问题，使得系统的识别率有了很大提高。
Also the method effectively solved the problem of low precision code and improved system recognition rate.
从而有效的解决了在汉语方言辨识中码本精度不高的问题，使得系统的识别率有了很大提高。
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