An equivalent error coding algorithm defined in the paper is also presented which reduces the number of encoded bit-planes and decrease the final output data rate once again.
同时提出了一种等效误差编码算法,该算法减少了编码的比特平面数,从而进一步降低最终输出码率。
Based on unequal error protection with jointing JPEG2000 source and FEC channel coding, a novel optimal rate allocation technology is proposed.
为了提高传输质量,结合JPEG2000信源和FEC信道编码的统计特性,提出了一种基于非均匀错误保护的最优码率分配技术。
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).
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。
Unequal error method is done. Rate compatible punctured convolutional code—RCPC is adopted as the channel coding to carry out the UEP.
本文采用了一种可生成多码率码的特殊的删余卷积码——RCPC码作为信道编码技术,以实现不等差错保护机制(UEP)。
An error resilience scheme for very low bit rate speech coding was developed for speech communications on narrow band channels with high bit error rates.
为满足在高误码率的窄带信道上进行语音通信的需求,研究了一种适用于甚低速率语音通信的抗误码参数估值算法。
At last, the code error rate performances in different coding method and different channel environment are analyzed and compared.
最后对不同编码方法在不同信道环境下做了误码率性能的比较分析。
The quality of JPEG2000 image is seriously degraded when the bit error rate becomes rather high, so RS coding is added in the system for error control.
针对在较高误码率条件下JPEG2000图像传输质量急剧下降的缺陷,引入RS编码进行差错控制。
This paper analyses half hybrid noise of the circulant pre-coding matrix, then proposes full hybrid noise pre-coding matrix and discusses its bit error rate.
本文首先对循环预编码矩阵带来的噪声半混合进行了分析,并进一步提出了噪声全混合的预编码矩阵,分析了其误码率。
For its simple coding and low rate of error identification, the Cyclic Redundancy Check (CRC) is widely used in digital communication system.
循环冗余校验CRC由于编码简单、误判概率低,在通信系统中得到了广泛的应用。
Compared to earlier standards, The H. 264 standard has a higher coding efficiency, a wider range of bit rate, better image quality, more network-friendly and anti-error capacity.
相对于以往的标准,H . 264标准拥有更高的编码效率,更宽的码率范围,更好的图像质量,更强的网络友好性和抗误码能力。
We used the error control coding to reduce the error rate and a blind extraction was also achieved.
我们提出的方法引入了误差控制编码以减少误码,且实现了密文的盲提取。
Therefore, how to estimate precisely the distortion between the codec in error prone environments in order to choose the coding mode is the key problem of rate-distortion.
因此如何准确估算出差错环境下从编码器到解码器端的失真度,并由此来决定编码模式就成为率失真优化的关键问题。
Such high data rate makes it challenging for channel coding design. The error correction coding for LTE should involve both the characteristics of low decoding complexity and good performance.
为了实现实时可靠通信,LTE的纠错编码要求具有:复杂度低、码字随机性好等特点。
In the same transmission system, in order to get the same error rate, the coding rate is higher the needed rate of signal to noise is higher.
并且在同一个传输系统中为了得到相同的误码率,码率越高则需要的信噪比就越大。
In the same transmission system, in order to get the same error rate, the coding rate is higher the needed rate of signal to noise is higher.
并且在同一个传输系统中为了得到相同的误码率,码率越高则需要的信噪比就越大。
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