practical spreading中文是什么意思

practical adj. 1.实地的，事实上的，实际上的 (opp. t ...
spread vt. (spread) 1.伸开，伸长(手臂等)，展开 ...
spreading 就侦察线散开; 跨期买卖；跨价买卖; 扩展; 扩张; 拉布; 使药液能散布; 套期图利：同时买进与卖出相关期货合约以获取价差利润的各种套利方式; 涂布; 展宽撒布接长摊铺套期图利喷散敷敷涂分散风险蔓延加宽焊道
be practical 实际一点吧
spreading rate spreading capacity 涂布率
angular spreading 角传播; 角扩散; 角扩展
asymmetric spreading 不对称扩张
axis of spreading 扩张轴
backarc spreading 弧后扩张
band spreading 带状撒布; 频带扩展; 频带散布; 谱带扩展
beam spreading 束散
binder spreading 粘合剂洒布
blanket spreading 垫带刮涂
brush spreading 刷涂
concrete spreading 混凝土平仓
continental spreading 大陆扩张
crustal spreading 地壳扩张
cylindrical spreading 柱面扩展
direct spreading 直接蔓延
double spreading 两面贴胶; 双面涂胶
dust spreading 撤岩粉
even spreading 均匀撒布
fabric-spreading 铺料
failure by spreading 铺展破坏

千万人都在用的超大词汇词典翻译APP

Based on software radio technology practical spread spectrum communication construction of system and principle analysis
基于软件无线电技术的实用扩频系统结构及原理分析
However , due to nonorthogonality of practical spreading sequences , the conventional correlator suffers from the near - far problem
最后，针对随当前网络信息系统的不断拓展与延伸，信息保密与安全的重要性日渐突出的问题。
Cdma has become the main technology of the third generation mobiletelecommunication . many users in cdma system are distinguished by differentspread sequences and have the same time chip and frequency unlike in theconventional tdma system or fdma system . but the practical spread sequences cannot reach the ideal condition , the correlation function equals zero , so that it will causethe multiple access interference ( mai ) when lots of people are communicating . multi - user detection ( mud ) makes joint detection on the received signals by makingfull use of the information of all users ’ , which relaxes mai and increases the capacityof system
Cdma技术已经成为第三代移动通信系统中的主流技术,它与传统的fdma 、 tdma不同,在cdma系统中多个用户均占用同一时隙、同一频隙,所不同的是选取的地址码不同,而实际选用的地址码间的互相关函数又不可能全部达到理想状态的全为零,因而造成了多个用户同时通信时,必然要产生多址干扰。

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Last modified time:Sat, 16 Aug 2025 00:29:56 GMT