香农指出,噪声限制了信息在保持无差错的情况下沿通信信道传递的速度。
Shannon showed that noise sets a limit on the rate at which information can pass along communication channels while remaining error-free.
目前使用的话音或数据通信信道。
水声通信信道带宽非常有限。
The bandwidth of the underwater communication channel is very limited.
本文对于通信信道提出了一种新的盲均衡准则。
A novel criterion of blind equalization is introduced for communication channels.
测试低轨卫星移动通信信道模拟器的硬件性能。
Test the specification of the LEO satellite communication channel simulator.
误码检测器是评估通信信道性能的基本测量仪器。
Most of error code checking instruments sold in the present market can only survey the standard communication channel of telecommunication section.
采用最小噪声子空间方法,提出了一种通信信道盲辨识算法。
A new blind identification algorithm for the communication channel is presented by using minimum noise subspace approach.
本文主要研究基于OFDM的低压电力线通信信道估计算法。
Channel estimation is researched for OFDM system in low-voltage power line communication in this paper.
其次,本文对低轨卫星移动通信信道模型进行了详细的分析。
Secondly, this paper gives a detail analysis for mobile communication channel model of low-orbit satellites.
通信系统总体性能受到失真,噪声和通信信道产生的干扰的显著影响。
Distortion, noise and disturbance have a prominent impact on the total performance of the communication system.
论述了一类通用的经过通信信道进行协调的多移动机器人编队控制系统。
A class of general multiple mobile robots formation control system of achieving coordination through communication channel was described.
虚拟网络中的每个主机都被提供一个惟一的主机密匙,公共版本用于加密通信信道。
Each host within the virtual network is provided with a unique host key and the public version is used to encrypt the communication channel.
码间干扰被认为是在移动无线通信信道中传输高速率数据时的主要障碍。
Inter symbol interference is regard of transporting the high rate data main obstacle in the wireless mobile channel.
由于系统内的互调干扰相当严重,常常可以引起电台的通信信道完全阻塞。
Because the system's intermodulation interference is a severely impair, and sometimes it can cause communication channel obstructed altogether.
该方案利用现有不保密通信信道提供双用户或多用户之间的可靠保密通信。
This new system provides secure communication between bi-users and multi-users over an insecure communication channel.
除了打开一个通信信道之外,该链接还允许您映射企业应用程序的数据源jndi名称。
Besides opening a communication channel, this link allows you to map your enterprise application's datasource JNDI names.
本系统以公用电话网作为通信信道,实现水情数据的远距离传输、存储和处理。
This system regards PSTN as communication channels and realizes data long-distance transmitting, saving and processing.
空地通信信道的主要统计特性包括多径衰落特性、多普勒功率谱和时延功率谱。
The statistic model of air-ground radio communication channel is characterized by the multipath fading, Doppler power spectrum and delay power spectrum.
IBMMQ是面向消息的中间件(MOM),它在各应用软件间提供基于队列的通信信道。
IBM MQ is Message Oriented Middleware (MOM) and provides queue-based communication channels among applications.
在实际应用中,由于通信信道等因素,数字图像中的原始信号总是和噪声共存的。
Because of communication channel and so on, the signal pixels are always with noise pixels together.
本文通过理论推导对这两种技术在高斯白噪声通信信道巾的误码性能进行了比较。
This paper compares the BER performances of them for white Gaussian noise channel theoretically.
可以使用一些安全网络协议技术,例如IPSec,来保证网络上计算机间通信信道的安全性。
A secure network protocol technology such as IPSec might be used to secure the communication channel between computers on a network.
数字水印技术把多媒体数据作为一种传输用户标识或内容完整性信息的通信信道来考虑。
Watermarking techniques consider multimedia data as a communication channel transmitting owner identification or content integrity information.
在借鉴已有设计的基础上,设计了以两片8255a为主通信信道的CAN通信接口卡。
Based on several kinds of designs exited, the CAN communication interface adapter on which two-piece of 8255a construct main communication channel is designed.
指挥自动化网络安全系统,基于信息存储、通信信道、计算机病毒及电磁辐射等安全性分析。
Security system for command automation network is based on the security analysis of information storage, communication channel, computer virus, electromagnetism radiation and so on.
卫星通信信道具有功率受限、带宽充足的特点,要求采用具有强大纠错能力的信道纠错技术。
Satellite communication channel has the characteristic of power limited, band abundance, and powerful error correcting ability FEC scheme is needed.
高数据传输速率以及终端的高速移动,导致无线通信信道具有时间选择性与频率选择性两个特征。
High data transmission rates and high mobility give rise to time - and frequency - selectivity in wireless communication channels.
系统智能化要使系统能根据通信距离自适应调节功率,根据信道占用情况随机自动选择通信信道。
This intelligent system consists of an auto-adjust power controller according to communication distance and an auto-select channel chooser interrelated with current transmitting channel.
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。
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。
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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