• 连续可变斜率增量调制的语音编码可以在高误码率的情况下正常工作。

    CVSD (Continuous Variable Slope Delta Modulation) voice coding enables.

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  • 数码数据按照误码探测改正法则进行编码

    The digital data string is encoded with error detection and correction algorithms.

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  • 采用SP交织算法纠错编码,给出一种基于图像的抗突发误码容量数据嵌入隐秘传输方法

    By using SP algorithm and error correction code technology, a combating burst error and large capacity data hiding method for secret transmission was proposed based on images.

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  • 分析特性,包括编码效率误码特性、功率同步一次通过捕获特性

    Its properties are analyzed, such as code efficiency, error Bit rate, power spectrum, the acquisition probability of the first frame marker.

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  • 水印嵌入经过卷积编码交织处理提高误码能力

    The watermark is processed by convolutional encoding and interleaving before embedding, in order to improve the ability for overcoming error bit rate.

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  • 本文对图象线性预测编码误码问题进行了系统分析

    This paper systematically analysis the problem of errors of linear predictive coding.

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  • 讨论各种编码方案下空间路径分集接收机误码性能

    The performance of a space-path diversity receiver in various coding schemes is illustrated.

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  • 与传统的JPEG标准相比JPEG2000标准采用了离散变换内嵌编码技术从而具有了渐进传输、感兴趣区域压缩、抗误码等新特性。

    Compared with the JPEG standard, JPEG2000 standard adopts some different compress technique, such as the Discrete Wavelet Transform, Embedded Coding and so on.

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  • 我们提出的方法引入误差控制编码减少误码,且实现了密文的提取

    We used the error control coding to reduce the error rate and a blind extraction was also achieved.

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  • 最后不同编码方法不同信道环境下做了误码性能比较分析

    At last, the code error rate performances in different coding method and different channel environment are analyzed and compared.

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  • 本文首先对循环编码矩阵带来噪声混合进行了分析进一步提出了噪声混合的预编码矩阵,分析误码

    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.

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  • 方案能够克服LDPC码误码,并且BCH级联方法更高灵活性以及更大编码增益

    The scheme can solve the flat bed of error codes of the LDPC code and has higher flexibility and greater encoding gain than the cascaded methods of BCH code.

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  • 该方法是在权衡考虑影响视频主观质量多种因素基础上,并综合了传输、鲁棒性编码解码端错误隐藏等技术的抗误码方法。

    With weighting the factors of video subjective quality, it integrates the technology of transmission, robust coding and error resilience of the decoder.

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  • 抵抗水声信道传输差错提出了一种具有较高抗误码能力的水下图像高效编码算法

    An efficient and error resilient underwater image coding algorithm is presented to resist the transmission errors of the underwater acoustic channels.

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  • 实验证明选择交织bch编码有效地降低误码从而提高系统的可靠性。

    At last, make some experiments, which prove the interleaved BCH code can reduce the error-correction effectively.

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  • 针对较高误码条件下JPEG2000图像传输质量急剧下降缺陷,引入RS编码进行差错控制

    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.

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  • 仿真结果表明这种方法比特误码之间取得一个好的平衡而且编码图像能得到很好的抗噪声性能

    The simulation results also show that the method can get better balance between bit error rate and code length, and the image can get better anti-noise property.

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  • 由于无线信道时变误码特性可变RCPT码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.

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  • 相对以往标准H . 264标准拥有更高编码效率更宽范围更好图像质量强的网络友好误码能力

    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.

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  • 如果通信系统通信速率在信道容量之内那么我们可以设计信道编码使得通信误码无限接近零。

    If information rate vector is kept within the capacity region, then error probability of message delivery can be taken arbitrarily close to zero.

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  • 高斯噪声信道电力线信道为例,用仿真系统分别计算了无差错控制编码和有差错控制编码情况下误码关系

    In Gaussian noise channel and power line channel, this emulational system calculate out relationship between bit error rates and signal to noise ratios.

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  • 视频信号在基于运动补偿预测混合编码不可靠信道传输时会遇到严重的误码传播问题

    When hybrid coded video with motion compensated prediction (MCP) is transmitted over unreliable channels there exists the annoying problem of error propagation.

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  • 计算机仿真结果表明RS编码交织技术非常适合空间光通信信道大大降低系统误码

    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).

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  • 本文给出变换方法构成BCH编码超宽带通信系统中的误码仿真结果

    In this paper, we give the simulation results of bit error rate based on group counterchange method for BCH codes in UWB communication system in the condition of AWGN channel.

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  • 此外算法还提高了输出码误码性能编码精确程度。

    In addition, the new method improves the robustness of video bit stream against channel errors and makes the rate controlling operation of video encoders more accurate.

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  • 通过加性高斯噪声(AGWN)信道中的模拟仿真,其结果说明系统优越性通过卷积编码进一步降低系统的误码

    We simulated the system in the Additive Gaussian White Noise (AGWN) channel, proved the superiority of this system, and used the convolutional codes to reduce the bit error rate further.

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  • 结果表明如果系统使用相同长的地址码,则经过纠错编码系统同未经过纠错的编码系统相比,其误码了明显的改善;

    The results show that the performance of BER of coded system has a large improvement versus uncoded one when the two systems have same code length;

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  • 2 / 3格形编码8DPSKOFDM时间色散信道中的误码性能进行了分析和模拟,讨论了不同正交载波情况下格形编码设计

    The BER performance of rate 2/3 trellis coded 8DPSK OFDM over time dispersive channels is simulated. The design of trellis codes at different carriers numbers of OFDM is discussed.

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  • 最后VCP通过功能验证和FPGA仿真验证,并进行误码速率的性能分析,它完全可以满足3g标准对于语音编码要求

    In the end, VCP has been passed the functional verification and FPGA emulation. The BER performance and code rates is perfect satisfied the Voice-Coding demand in 3g standard.

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  • 最后VCP通过功能验证和FPGA仿真验证,并进行误码速率的性能分析,它完全可以满足3g标准对于语音编码要求

    In the end, VCP has been passed the functional verification and FPGA emulation. The BER performance and code rates is perfect satisfied the Voice-Coding demand in 3g standard.

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