Noise characteristics analysis of OFDM system in low-voltage power line communication channels;
基于OFDM的低压电力线通信系统信道噪声特性分析
Technology to Switch Range and Merge Channel in Electronic Current Transformer;
电子式电流互感器的量程切换与信道合并技术
Technology and application of error correction coding channel;
纠错信道编码技术及应用
Based on the analysis of the of mobile satellite communication channel,the paper studied the(influence) of line-of-sight component and the variety of angle of incidence.
在分析移动卫星通信信道特性的基础上,研究增加直射分量的多普勒实时频移和多径信号入射角范围及其变化对移动卫星通信信道多普勒频移特性的影响,推导了其不对称多普勒功率谱形式,对其进行了理论分析并给出了仿真结果。
This thesis analyzes the environment of in-room wireless transmitting, and represents a 3D communication channel model in MATLAB using radial track.
本文分析了室内无线传播环境 ,针对当前个人通信的高频波段 ,使用射线跟踪方法 ,用MATLAB语言编程画出了基于反射方式的三维信道预测模型 ,并对数据进行分析比较 ,得出一些有价值的结
A kind of hybrid wireless mesh network broadband wireless communication technology on the basis of WiFi is introduced in this paper by analyzing the environmental characters of wireless transmission in mine,built mine emergency wireless communication channel rapidly,and simulated used NS.
本文通过分析煤矿井下无线传播环境特性,提出一种采用基于W iFi的混合型无线网格网络宽带无线通信技术,快速建立煤矿井下应急救援无线通信信道,并使用NS进行了系统仿真,结果表明该信道在延时、抖动率和稳定性等方面的性能较好,理论上适合于井下灾变后应急通信需要。
This paper mainly demonstrates the necessity to constructing suitable mathematics experiments on higher mathematics through information source coding、information channel coding and characteristics of discrete information source.
本文从信源编码、信道编码和离散信源特点等方面,论述了在高等数学教学中开设适当的数学实验的必要性。
Using the transmission theory of communication,the reason for BER of signal channel in optical terminal receiver is analyzed.
运用通信系统传输理论 ,对光通信接收机信道误码原因进行分析 ,认为随机噪声是产生信道接收误码的主要原因。
We dissertated the base of theory about data communications in computer networks,including Jean Baptiste Fourier analyzing,limited bandwidth signal,and maximal speed of data transmission in signal channel.
论述了计算机网络中数据通信的理论基础 ,其内容包括傅立叶分析、有限带宽信号、信道的最大数据传输速
Based on the analysis of the borrowing strategy, this paper suggestes a method to handle the location of the locked channels in the cochannel interfering cells, and clarified some confusions in the original channel assignment str.
分析了蜂窝移动通信系统信道指配策略中的一个重要策略———借用策略，包括最早出现的简单借用策略，到后来在此基础上发展而来的带信道序号的借用策略（ＢＣＯ） 和带方向锁定的借用策略（ＢＤＣＬ） 。