查询词典 channel capacity

With the increasing demand of the network speed, it is very important to make full use of the PLC channel capacity.

随着人们对网络传输速度的要求越来越高，如何挖掘电力线载波通信容量问题成为关键问题之一。

The channel capacity and resource optimization are the two primary research topics in relaying system.

中继系统的信道容量以及资源优化方案是中继系统中重要的研究课题。

Because the expensive tunable laser is not available in laboratory, the high-luminosity halogen lamp is considered as the multiplex photosource, at results, the cost become lower and the program keep more practicable. A experimental scheme of 16 channels wave demultiplex based on volume holographic technology is designed, and its channel capacity, noisiness, cut-in loss, isolation and storage persistence are analyzed.

采用高亮度溴钨灯代替价格昂贵的大功率可调谐激光器作为波长解复用试验的光源进行设计，有效降低实验成本，设计出基于体全息技术的16通道波分解复用器的实验方案，并分析该器件的信道容量、噪声特性、插入损耗、隔离度以及存储持久性等主要性能指标。

The optimal multicast interval, the optimal request threshold and server channel capacity requirements for the RMFS scheme are all analyzed.

分析了RMFS方案的最佳组播间隔、最佳请求阈值和最小服务器容量需求。

In this paper we classify these channels into two categories, one model of each category is selected out, respectively, and singular value distribution, MIMO channel capacity and singular value compare under different correlation conditions are completed.

以生成方式是否具有物理意义为标准对现有的信道模型进行了分类，介绍了其不同的应用领域，并且选取其中有代表性的模型，给出了他们在同一环境下生成信道矩阵的容量曲线与特征值分布的比较。

It aims for high transmission rate and high throughput, and it combines OFDM which has the strong ability of preventing interference with MIMO which has the advantages of high channel capacity.

以高速率、高吞吐量为目标，该技术综合了正交频分复用技术强抗干扰的特性，和多输入多输出技术高信道容量的优势。

Then by using the properties of Wishart distribution, we derived the channel capacity and its upper and lower bounds for MIMO-OFDM systems with arbitrary number of antennas.

在此基础上利用Wishart分布的性质详细推导了任意天线数的MIMO OFDM系统的信道容量及其上下限。

Firstly, a simple closed-form MIMO channel capacity formula is derived by using the eigenvalue distribution of Wishart matrix.

首先，利用Wishart矩阵的特征值分布，导出了一个简单闭合的MIMO信道容量公式；然后基于此公式，得到了MIMO信道容量在高信噪比时的渐近界，解析地反映了随着信噪比的逐渐增加，MIMO信道容量与信噪比和收发天线数目的最小值呈渐近的线性关系；最后，计算机仿真验证了所提出的MIMO信道容量公式及其渐近界的正确性。

Channel capacity in information theory is used to analysis how many characters can be embedded in a certain size image on the base of zero error probability.

信息论中信道容量定理用于分析在零错误概率下一定尺度的图像中可以嵌入的字符数量。

BACE algorithm has the desired property that does not reduce the encoding efficiency of the CABAC entropy encoder compared to the CIME algorithm for CAVLC entropy encoder. Both CIME and BACE algorithms can adapt to the content security level by choose the amount and different key parts of the video stream to be encrypted, the theoretical and experimental results show that both these algorithms can effectively encrypt the video content. Due to the ability of encrypting the video content without violating the syntax, the BIME and BACE algorithms can be employed used for many advanced H.264/AVC coding options without first decrypting the video stream, like Data Partition and UnEqualized Protection for the enhancement of transmission robustness, and the scalable coding in order to match the different channel capacity.

上述两种结合了H.264/AVC熵编码器特征的内容选择性加密算法，由于其加密后的视频码流的句法结构完全符合H.264/AVC视频编码标准，与传统的基于块数据的块加密算法相比较，本文提出的两种内容加密算法可以使得加密后码流在无需解密的情况下，实现H.264/AVC视频编码标准为移动视频应用而设计的诸多特性，如：增强传输鲁棒性的数据分割技术和非均衡保护技术，以及直接做匹配信道带宽的分级编码操作等，具有更高的灵活性和计算效率，从而可以灵活运用于各种应用场合。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。