根据误码率来衡量数据传输的质量。
要解决这些问题就需要研究编码器的码率控制。
For the problem solving, the thesis study rate control of the video encoder.
在相同的主观视频质量下，码率减少50％左右。
然后对预测误差进行量化，以进一步降低编码率。
Then prediction errors were quantized properly to reduce coding rate further.
量子误码率是量子密钥分配系统的重要参数之一。
Quantum bit error rate is an important operating parameter in quantum key distribution.
许多配置不同的编码率的前向纠错方案都可以选用。
A number of FEC schemes are available with different coding rates.
近年来。在低码率的音频编码算法中也开始应用它。
Recently, it began to be applied in low - bit rate audio coding.
提出了低码率正弦变换编码算法(STC)的改进算法。
A modified low bit rate sinusoidal transform coding algorithm (STC) is presented.
具体的转换方式有三种：码率转换、分辨率转换、语法转换。
Video Transcoding have three means: code rate transformation, resolution transformation, transformation between coding standard.
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.
码率控制是恒定码率视频压缩编码系统的一个关键研究课题。
Bit-rate control is a key topic in the constant bit - rate video compression coding system.
实验结果证明基于码率调整范围的运动矢量修正算法是有效的。
The experimental results show that the Motion Vector Refinement algorithm based on Rate Range is effective.
首先，本文介绍码率控制算法的应用环境——各种视频编码协议。
Firstly, we introduce the video coding standard where the rate control algorithm is used.
具体的转换方式有三种：码率转换、分辨率转换、编码制式的转换。
Videotranscoding has three means: code rate conversion, resolution conversion, conversion between coding standard.
GPON中应用FEC可以减小接收端的误码率，增加通信的可靠性。
FEC in the GPON can reduce the error ratio at the receiver and increase the reliability of communication.
因此，几乎每一个视频标准都相应有自己的一个或者多个码率控制策略。
Therefore, almost every video coding standard has one rate control strategy and even more.
结果表明，提出的方案优于DCT标准，特别是在非常低码率的情况下。
Results show that the proposed scheme outperforms the standard DCT, especially at very low bit rates.
通常码率控制算法使用一定的率失真模型来决策量化参数从而控制码率。
Generally, the rate distortion model is employed to compute quantization parameter for the controlling bit rate.
讨论了多发射天线OFDM系统中有限比率反馈对通信系统误码率的影响。
The effect of finite rate feedback in multiple-antenna OFDM systems on communication performance is discussed in this paper.
最小误码率线性多用户检测的问题可以归结为一个误码率代价函数的问题。
The minimum bit-error rate linear multiuser detection problem can be transformed to a bit-error rate cost function problem.
同时，该算法的计算复杂度低，完全能满足视频服务器实时码率分配的要求。
Simultaneously, the computational complexity of the proposed method is low enough to meet the requirements of the real time rate allocation at the video server.
在视频编码中，码率控制的目的是：在满足带宽约束的条件下，提高编码图像的质量。
In video coding, the purpose of rate control is to improve picture quality while subject to the bandwidth constraint.
比较了目前分布式视频系统的各种码率估计算法性能，并提出了改进的码率估计算法。
With a comparison on a few of rate estimation algorithms, an improved methods resided in the decoder is proposed in this paper.
此判别法表明，相邻编码帧宏块条码率的频域互相关能够有效反映图像活动性变化的特点。
The correlation of adjacent slices bitrates in frequency domain can effectively reflect the activity of the motion pictures.
介绍了相应的关键帧技术和动态多码率技术，以及在终端上实现无线流媒体业务的整个流程。
This article introduces related key-frame and dynamic multi-code-rate technologies and shows the whole procedure to implement wireless streaming media service.
结果表明，当误码率小于10- 4时，所有情况的差错块检出概率都达到95 %以上。
The result shows that the checking probability will be over 95% when the error rate is below 10 -4.
由于无线信道的高误码率和突发错误的特性，在无线at M中必须使用有效的差错控制机制。
In wireless ATM network, an efficient error control mechanism has to be used because of the high bit error rate and burst nature of bit errors.
量化阶段量化因子是一个控制码率的重要参数，这个参数的设定主要是结合缓冲区的占用容量。
In quantization step quantization gene is an important parameter in video stream control. The enactment of this parameter is determined by buffer occupancy.
量化阶段量化因子是一个控制码率的重要参数，这个参数的设定主要是结合缓冲区的占用容量。
In quantization step quantization gene is an important parameter in video stream control. The enactment of this parameter is determined by buffer occupancy.
应用推荐