例句與造句

1. Reverse link performance simulation of a fixed - point cdma2000 1x
   反向鏈路定點仿真研究
2. Analysis of speciality of cdma2000 1x reverse link
   反向鏈路特性分析
3. Study on system performance of reverse link orthogonality in cdma
   2000反向鏈路正交系統(tǒng)性能研究
4. 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
5. 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
6. It's difficult to find reversing link in a sentence. 用reversing link造句挺難的
7. 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)。
8. 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)議標準，對cdma通信系統(tǒng)進行了深入的了解。并用通信系統(tǒng)仿真軟件systemview進行了仿真。
9. 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
   ，本文的第二部分認真的研究了cdma20001x的反向鏈路的特點，設(shè)計反向鏈路的擴頻調(diào)制片上系統(tǒng)方案。用硬件語言verilog設(shè)計cdma20001x的擴頻調(diào)制片上系統(tǒng)的ip軟核。其中包括擴頻調(diào)制部分和一個8位的cpu設(shè)計。
10. 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的演進路線： is - 95a b ? ? cdma20001x ? ? 1xev作了介紹，對其各個階段的標準發(fā)展狀況、特點以及關(guān)鍵技術(shù)等作了較為詳細的分析，并進一步說明其演進的平滑性及發(fā)展趨勢。
11. 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)特點進行了詳細分析，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。
12. The radio frequency receiver supports interface for instrument and base station and air interface for mobile station , and it takes the task of magnifying low noise and down - convert and digital baseband processor filtering and magnifying intermediate frequency to reverse link signal . the digital baseband processor samples the received signal after down - convert radio frequency signal to intermediate frequency signal and processes other processing and supports interfaces to computer , next sends data to computer . the gps receiver supports interface for instrument and gps system , and receives gps system signal , next it demodulates the correlative information and sends out benchmark clock signal we need
    射頻接收部分主要為儀器和基站、移動臺提供空中接口,其主要任務(wù)是在反向鏈路上對接收到的射頻調(diào)制信號進行低噪聲放大、射頻下變頻變換、中頻濾波放大等;數(shù)字基帶部分為對接收信號變頻為中頻后進行a / d采樣,以及其他的rsp處理并和計算機提供接口,將數(shù)據(jù)送至計算機進行后臺處理、顯示等; gps接收機部分為儀器和gps系統(tǒng)提供接口,接收gps系統(tǒng)信號并解調(diào)相關(guān)信息,輸出所需的電文及時鐘基準信息等。
13. The characteristics of the data schedule arithmetic on forward link is that , considering fair , the system provides service for the user who applies the highest data rate , in order to increase the system throughput on the forward link . the characteristics of the data rate control arithmetic on reverse link is that , under the condition of ensuring reverse power unoverload , the system controls users to transmit data rate as high as they can to communicate with base station , in order to increase the system throughput on the reverse link
    前向數(shù)據(jù)調(diào)度算法的特點在于：在兼顧公平性的基礎(chǔ)上，系統(tǒng)盡量為申請速率最大的用戶服務(wù)，以此來提高系統(tǒng)的前向鏈路數(shù)據(jù)吞吐量；反向數(shù)據(jù)速率控制算法的特點在于：在保證反向功率不過載的情況下，系統(tǒng)控制用戶盡可能的提高發(fā)射速率來和基站通信，以此來提高系統(tǒng)的反向鏈路數(shù)據(jù)吞吐量。
14. At last , the paper gives the results of a great deal of contrast system imitations . the particular data analysis shows that , after using the data schedule arithmetic on forward link and the data rate control arithmetic on reverse link , cdma2000 ixev - do system increases the data throughput evidently , which testifies the validity of this project
    最后，本文進行了大量對比性系統(tǒng)仿真，通過詳細的數(shù)據(jù)分析表明： cdma20001xev - do系統(tǒng)使用了前向數(shù)據(jù)調(diào)度算法和反向速率控制算法后，系統(tǒng)的平均吞吐量顯著提高，驗證了本文提出的算法實現(xiàn)方案是非常有效的。