link n. 1.環(huán)鏈環(huán)。 2.(編織物的)鏈圈。 3.(鏈狀物中的)一節(jié)(多節(jié)香腸等的)一節(jié)單節(jié)小香腸。 4.承前啟后的人[物];環(huán)節(jié),聯(lián)系。 5.【機(jī)械工程】連桿,滑環(huán),鏈節(jié)。 6.【化學(xué)】鍵,鍵合;【計算機(jī)】鏈接,銜接。 7.(測量用長度單位)令〔 = 7.92英寸〕。 8.〔pl.〕 (襯衫袖口的)鏈扣 ( = cuff links). 9.【無線電】通訊線路;網(wǎng)絡(luò)節(jié);固定接線。 10.【電學(xué)】熔絲。 11.〔pl.〕〔方言〕河道彎曲處。 draw link 牽引連桿。 drive link 傳動桿。 all-round links, radio relay link 無線電中繼線路。 One link broken, the whole chain is broken. 〔諺語〕一環(huán)斷,全鏈斷。 The chain is no stronger than its weakest link. = The strength of a chain is its weakest link. 〔諺語〕一環(huán)軟弱,全鏈不強(qiáng)。 the missing link 短缺的環(huán)節(jié);全部推論[材料]中還不能銜接之處;設(shè)想存在于人類與類人猿之間的過渡生物;聯(lián)系;環(huán)接;握(手),搭(手臂)。 vi. 連結(jié);聯(lián)合。 vt. 【計算機(jī)】鏈接,銜接。 link up with 和…同盟,和…提攜;結(jié)親。 n. 火把,火炬。
Reverse link performance simulation of a fixed - point cdma2000 1x 反向鏈路定點仿真研究
Analysis of speciality of cdma2000 1x reverse link 反向鏈路特性分析
Study on system performance of reverse link orthogonality in cdma 2000反向鏈路正交系統(tǒng)性能研究
Analysis of other - cell interference in the reverse link of vsg - cdma cellular system 蜂窩系統(tǒng)反向鏈路的他區(qū)干擾分析
Power control on the reverse link for a cdma cellular system using a fuzzy neural network 蜂窩系統(tǒng)中基于模糊神經(jīng)網(wǎng)絡(luò)的反向鏈路功率控制
How to increase the forward / reverse link data throughput of the base station system has become the key technology of system research 如何能夠提高基站系統(tǒng)的前反向數(shù)掘吞吐量成為系統(tǒng)研究的關(guān)鍵技術(shù)。
The first part introduces the physical layer standard for cdma 2000 1x reverse link spread spectrum systems , and presents the design and implementation of a simulation model for the cdma2000 1x reverse link with the software systemview of the communications system simulation 本文的第一部分介紹了國際cdma2000組織3gpp2規(guī)定的第三代移動通信系統(tǒng)cdma20001x反向鏈路的協(xié)議標(biāo)準(zhǔn),對cdma通信系統(tǒng)進(jìn)行了深入的了解。并用通信系統(tǒng)仿真軟件systemview進(jìn)行了仿真。
The second part studies the characteristics of cdma2000 1x reverse link , and implements a softcore design of the cdma20001x rtl soc with hdl ( hardwire desciptionin language ) verilog in accordance with the is - 2000 specifications . the model include the softcore of a spread spectrum modulation and a simple 8 - bit processor . as the same time simulate all the parts of the soc softcore with software modesim ,本文的第二部分認(rèn)真的研究了cdma20001x的反向鏈路的特點,設(shè)計反向鏈路的擴(kuò)頻調(diào)制片上系統(tǒng)方案。用硬件語言verilog設(shè)計cdma20001x的擴(kuò)頻調(diào)制片上系統(tǒng)的ip軟核。其中包括擴(kuò)頻調(diào)制部分和一個8位的cpu設(shè)計。
Nowadays , the evolution way of cdma system has been into is - 95 a / b - - cdma2000 1x - - ixev . first this paper emphasizes on the standard development , and key techniques of each phases . then we analysis the structure of the ixev - do forward and reverse link , and the improvement of technology and structure in forward and reverse channels 本文首先對現(xiàn)階段cdma的演進(jìn)路線: is - 95a b ? ? cdma20001x ? ? 1xev作了介紹,對其各個階段的標(biāo)準(zhǔn)發(fā)展?fàn)顩r、特點以及關(guān)鍵技術(shù)等作了較為詳細(xì)的分析,并進(jìn)一步說明其演進(jìn)的平滑性及發(fā)展趨勢。
The research actuality of the data throughput of the 2g and 2 . 5g mobile communication systems , and the data service characteristics of cdma2000 ix ev - do system , are analyzed detailed in this paper . on the base of that , the paper puts forward the realization project of increasing the forward / reverse link data throughput of the system : the data schedule arithmetic on forward link , and the data rate control arithmetic on reverse link 本文對2g 、 2 . 5g移動通信系統(tǒng)數(shù)據(jù)吞吐量問題研究現(xiàn)狀、 cdma20001xev - do系統(tǒng)數(shù)據(jù)業(yè)務(wù)特點進(jìn)行了詳細(xì)分析,在此基礎(chǔ)上,提出了提高系統(tǒng)前、反向鏈路數(shù)據(jù)吞吐量的實現(xiàn)方法:前向鏈路的數(shù)據(jù)調(diào)度算法和反向鏈路的數(shù)據(jù)速率控制算法。