Channel bandwidth

The needed channel bandwidth is also reduced accordingly .

因此数据传输所需要的信道带宽也相应减少。

In video communication , to transfer a video sequence over limited channel bandwidth , effective video compression is essential .

在视频通信中，为了在有限的信道带宽上传输视频，需要首先对原始视频信号进行有效的压缩。

The Optimization of Channel Bandwidth Design for Synthetic Aperture Radar System

合成孔径雷达系统通道带宽优化设计方法研究

Research of Upstream Channel Bandwidth Allocation Algorithm In HFC Network

HFC网络中上行带宽分配算法的研究

Local Ethernet is used widely so that the data transmission channel bandwidth is ensured .

广泛使用的局域以太网，使数据传输通道带宽得到了充分保障。

Limited by the memory and channel bandwidth , the digital image signal must be compressed .

但由于数字图像信号信息量大，而存储空间和传输带宽有限，因此必须进行有效的压缩。

The information explosion has made the transmission rate and channel bandwidth become bottlenecks in the development of multimedia technology .

由其带来的信息爆炸，使信道带宽和信道传输速率成为多媒体技术发展的瓶颈问题。

Compared with wired network , wireless network has lower channel bandwidth , and cannot provide reliable and stable user service .

与有线网络相比，无线网络的信道带宽较低，难以提供可靠和稳定的用户服务。

The exchange between signal power and channel bandwidth is an important deduction of Shannon 's channel capacity theorem .

信道带宽与功率互换原理是信息论的一条重要原理。

The service channel bandwidth of the NVOD system which is exerted in the digital cable TV platform ;

NVOD系统在有线数字电视平台运用中的服务通道及带宽描述；

The key QoS parameter adopted in this algorithm is channel bandwidth which denotes the heterogeneity of the networks .

该算法采用信道带宽作为QoS参数来刻画网络的异类性。

However , in the transmission process especially in satellite applications , the encoder output rate must match with the limited channel bandwidth .

但是，在压缩图像的传输过程中，特别是在带宽受限的卫星应用领域，编码器输出的码率必须能够与信道带宽相匹配才能实现图像数据的可靠传输，若码率不可控将导致严重的后果。

Channel bandwidth sufficiency is introduced to evaluate the relationship between channel bandwidth and the encoding complexity of video sequence .

采用信道带宽充裕度衡量视频序列的编码复杂度和信道带宽之间的关系。

Especially , in a highly loaded network , the portion of channel bandwidth is wasted due to significantly high collisions .

特别是在网络高负载条件下，由于冲突的产生造成大量的信道带宽损失。

Rate control or rate allocation is necessary to control the bitrate of image coding such that it meets the channel bandwidth requirement .

为了满足带宽的要求，有必要对图像编码进行率控制或者码率分配。

The aim of rate control is to achieve a balance between compressed video quality and channel bandwidth to satisfy special requirements of specific application .

码率控制的目标是在压缩后视频质量和编码产生的码率之间达到适合实际应用需求的平衡点。

And limited by the channel bandwidth , the transmitted video stream is usually in low bitrate and low spatial resolution .

同时移动网络还受限于带宽，所以通常在移动网络中传输的视频流的特点就是低码率低分辨率的视频流。

Huge amount of information put forward high demand to storage capacity and channel bandwidth . Bill image compression becomes a must for the bills management .

巨大的信息量对存储容量和信道带宽提出了很高的要求，票据图像的压缩便成为了必须要解决的问题。

With the analog-digital conversion technology is maturing , the digital storage oscilloscope channel bandwidth and sampling rate continues to increase .

随着模数转换技术日渐成熟，数字存储示波器的通道带宽和采样率不断提高。

Large image information bring much compressive stress to capacity of memorizer , channel bandwidth of communications trunk and processing speed of the computer .

大数据量的图像信息会给存储器的存储容量，通信干线信道的带宽，以及计算机的处理速度增加极大的压力。

As a three-dimensional image , the mass of data lead to the problems on transmission on the limited channel bandwidth and the storage on satellite .

作为一种三维图像，其海量的数据导致存储与有限带宽信道上的传输非常困难，因此必须针对其数据特点设计高效的压缩编码方案。

New model for frequency hopping wideband Rayleigh fading channels 1Ms / s symbol rate exploits maximum available channel bandwidth .

一种新的跳频宽带瑞利衰落信道模型以每秒1M个码元的字符速率传输，充分利用信道的最大有效带宽。

Most existing studies focus on how to improve the underwater acoustic channel bandwidth utilization ratio and reduce the error rate , less concern for real time .

现有大部分研究着重于如何提高水声信道带宽的利用率以及降低误码率，较少关注实时性。

So , the video data gain the optimal dynamic between power loss , channel bandwidth and the coding distortion under meeting the power and rate constraints .

从而在满足功率和码率约束的条件下，使视频数据达到功率损耗、信道带宽和编码失真之间的动态最优。

The space image data is in large quantities , and the channel bandwidth resources are limited , therefore the space image data compression algorithm has become hot recently .

由于空间图像数据量巨大，传输信道带宽资源有限，所以空间图像压缩算法成为近年来研究的热点。

Error concealment is an important technology to improve the video quality on the decoder , without increasing the transmission channel bandwidth , or the amount of information .

错误遮蔽是通过解码端的帧间帧内相关性，不增加传输时延和带宽压力来改善视频质量的技术。

However , the limited wireless channel bandwidth and poor channel conditions restrict design of the source-channel coding system based on the current Shannon separation theorem .

然而无线信道有限的带宽，恶劣的信道条件使得目前基于Shannon分离定理的信源信道编码系统的设计显露出局限性。

So for optical communication systems , evaluate the utilization of channel bandwidth means both digital and analogue signal can be transmitted in a common optical fiber .

PWAM调制方法可以很好的解决这个问题，它可以在一根普通的光纤中同时传输数字信号和模拟信号，这在一定意义上也就提高了光纤通信系统的信道带宽利用率。

According to the analysis , a new reliable transmission mechanism is proposed , which outperforms the original scheme in term of effective usage of the channel bandwidth .

在此基础上改进了原有的传输方案，提出了一种新的基于流媒体的隐蔽通信的可靠传输机制，并进行实现和实际测试。

Firstly , the channel bandwidth allocated to each user , instead of target bits allocated to each frame , is chose as control object .

首先，该算法选择分配给各用户的信道带宽，而不是分配给各帧的目标比特，作为控制对象。