• 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。

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  • 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。

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  • 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。

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  • 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)。

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  • 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。

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  • 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。

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  • 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。

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  • 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。

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  • 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。

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  • 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。

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  • 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。

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  • 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。

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  • 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。

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  • 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。

    youdao

  • 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。

    youdao

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