code division multiplex造句
例句与造句
- Cdma - code division multiplex access
码分多址 - Cdma : code division multiplex access
码分多址 - Proposes a novel channel estimation algorithm for multi - carrier code division multiplex access ( mc - cdma ) systems on the uplink
摘要提出了一种新颖的适用于多载波码分多址接入( mc - cdma )系统上行链路的通道估计算法。 - Multicarrier wireless communications have been widely investigated in the past decades . recently , two - dimensional spread spectrum ( 2d - ss ) system has drawn a lot of attention because of its full utilization of spreading characteristics in the frequency domain and time domain . compared with multicarrier code division multiplex access ( mc - cdma ) , 2d - ss system can effectively mitigate multiple access interference ( mai ) due to spreading in the time domain
当前多载波无线通信技术得到了广泛的研究,二维扩频通信系统是近年来提出的新的扩频通信方式,由于二维扩频系统从时域和频域上分别对数据信号进行频谱扩展,因此它同时具有时域扩频和频率扩频通信系统的特点,是对传统的一维时域直接序列扩频和多载波扩频的推广。 - Optical code division multiplex access ( ocdma ) is a novel kind of technologies which combines with the features of wireless cdma and optical fiber communications and has strongly technical advantages and widely applied perspectives . it is one of the possible resolutions for future all optical communication network , which is a hot topic in optical communication research
光码分多址( opticalcodedivisionmultiplexaccess , ocdma ) ,是将无线cdma技术与光纤通信技术相结合的一种新技术,结合了两种通信方式的特点,具有很强的技术优势和广阔的应用前景,成为未来高速全光通信网络的备选方案之一,是目前光通信研究领域的热点。 - It's difficult to find code division multiplex in a sentence. 用code division multiplex造句挺难的
- The technology of direct sequence spread spectrum / code division multipul access ( dsss / cdma ) are applied in the broadband code division multiplex wireless communication systems , which means transmitting data at the rate of 2 . 048mbps using four e1 lines within the band of 20mhz . in this paper , the theory of the whole debice is first analysized specified for the system asic design and optimizing its performance
宽带码分复用无线传输系统是采用直接序列扩频/码分多址( dsss / cdma )技术，在20mhz频带内实现四路2 . 048mbps的e1链路数据速率的无线传输。本文首先分析了整个数传设备实现原理，针对系统asic设计和优化整机集成性能出发，提出并实现了基于fpga控制pm4314e1芯片的接口模块完成对e1链路信号的监控和告警功能的改进方案。