線路碼組 的英文怎麼說

中文拼音 [xiàn]
線路碼組 英文
line block
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • : Ⅰ名詞(表示數目的符號或用具) a sign or object indicating number; code Ⅱ量詞1 (指一件事或一類的...
  • : Ⅰ名詞1 (由不多的人員組成的單位) group 2 (姓氏) a surname Ⅱ動詞(組織) organize; form Ⅲ量詞(...
  • 線路 : 1. [電學] circuit; line 2. [交通運輸] line; route
  1. In that mainly including communication work mode, project argumentation of system, performance analyses and type choosing of communication transmitter - receiver and the design of antenna system, etc. in chapter 3, coding mode of msk and gmsk and the hardware circulation realization of modem are discussed in detail

    在第二章里,介紹無電通信系統總體設計,按通信系統成,逐項進行計算,主要包括通訊工作方式和體制的方案論證,通訊電臺性能分析、選型、參數,以及天系統的論證等。在第三章里,詳細論述msk和gmsk編方式,以及用fx909實現數據機的硬體電
  2. First we introduce it by presenting the classic 2tx scheme proposed by alamouti. then the orthognal designes for space - time block codes are explored, the detailed analysis of the performance is presented. the link level simulations are performed in the last part

    通過alamouti的2天方案來理解空時分,接著研究了空時分的正交設計,最後對其性能進行了詳盡的分析,並完成了鏈級模擬。
  3. Once has the bandits and thieves to intrude guards against the place, the detector launches the wireless coded signal immediately, the networking center number which installs when is apart from defense area 150 meter within the main engine to send out the police whistle sound to report to the police immediately, reports to the police dials to establish in advance or reports to the police the telephone, the handset number, answers in the police telephone to return puts user pre - record to report to the police the pronunciation, long - distance reports to the police, simultaneously comes the real - time transmission through the internet to deploy troops for defense, to withdraw from a defended position, to report to the police and so on the condition, inquires the historic record through the computer network

    該系統還採用美國進口原裝晶元與先進的無數字高頻技術微電腦cpu控制器主機成。在防範地點安裝好主機后,並設置在布防狀態。一旦有盜賊闖入防範地點,探測器立刻發射無信號,安裝在距防區150米以內的主機立即發出警笛聲報警,報警時撥打預先設定的聯網中心號或報警電話手機號,接警電話里回放用戶預錄的報警語音,遠程報警,同時通過網際網來實時傳遞布防撤防報警等狀態,通過電腦網來查詢歷史記錄。
  4. This thesis focuses on the ingress process module of ctu, which translates c - 5 dcp format to rainier 4gs3. the specification analysis, architecture and logic design, functional simulation testbench design, synthesis report and testing result are discussed in this thesis. the research work mainly includes : the specification analysis and design requirements of ctu logic ; the architecture and logical design of ingress process module, which includes receive control fsm, send control fsm and cell position adjustment logic ; the performance improvement of ingress process module to receive and transmit data cell at the full line speed

    本論文的主要研究工作包括:通信協議轉換邏輯的功能分析和設計需求;通信協議轉換邏輯上行方向的系統分析及體系結構設計,包括上行接收狀態機、發送狀態機、信元內位元位置調整機制等的設計;通信協議轉換邏輯上行方向的速設計,主要是上行接收的速設計,要使用流水設計技術;提出了高速實現roundrobin調度策略的實現方法,並設計實現了桶式移位器和優先級編;應用bfm模擬模型設計了上行處理各模塊的模擬testbench ,完成了各級模塊的模塊模擬和系統集成模擬。
  5. A number of comparisons and analysis on different reliable multicast data transmission protocols have been carried out. considering the one - way characteristic of the chinese catv network, the alc is regarded as the best suitable multicast data transmission protocol for china

    在可靠播數據傳送協議上,本文研究了許多可靠播協議,通過比較和分析,綜合我國有電視網單向性的特點,本文認為異步分層編協議( alc )是最適合的可靠播數據傳送協議了。
  6. This thesis presents a new solution called the smart platform, which better tackles the problems by : 1 ) a runtime environment discovery mechanism which allows a new device to automatically find and join the runtime environment ; 2 ) the loose coupled publish - subscribe inter - module coordination model, which caters for the spontaneous interaction between modules ; 3 ) a global - local two - layer runtime environment structure. the transient failure of the wireless network can be recovered at the local environment layer. the asynchronous nature of the interactions in the < wp = 8 > publish - subscribe model also prevents modules from blocking on the transient network failure ; 4 ) distinguishing two classes of communications with different qos requirements, the message - oriented and the stream - oriented

    本文提出並實現了smartplatform ,其特點是: 1 )運行環境發現機制,使外來計算設備可以自動加入軟體平臺的運行環境; 2 )松耦合的發布/訂閱式模塊間協調機制,模塊間關聯可以自發織; 3 )局部全局的兩層運行環境織策略,無網頻發的暫時故障可以在計算設備的局部運行環境層次被屏蔽掉;同時發布/訂閱模型的異步性也使得模塊不會因網故障而阻塞; 4 )區分智能空間中的兩類不同的通信需求面向消息的和面向流的,並分別為它們提供了優化的通信層支持; 5 )基於多agent抽象模型,為整合不同應用領域的模塊和遺留代提供了有力工具。
  7. Scientific computation visualization interactive virtual reality computer dynamic simulation etc., to study thoroughly and carefully on critical technologies such as mixed - language programming simplification of scene models displaying realistic image and animation of 3d scene models and so on in this dissertation, the methods to build scene models were studied and applied to develop a dynamic simulation system of 3d railway scene based on this idea, the major study contents and results can be summarized as follows : 1 ) mixed - language programming can complement each other between different programming languages and the method has a general significance and can become popular many computation models including development of dtm optimum of dtm and reorganization of dtm were developed with fortran language in order to use the ripe codes, the dissertation succeeded in integrating the developed fortran codes to the visual c + + environment and achieving the course of mixed - language programming 2 ) the methods to build scene models for 3d location design were discussed in the dissertation and the development and animation of scene models had been realized by applying synthetically those technologies such as computer graphic computational geometry and geometrical modeling and computer dynamic simulation etc, and adopting opengl 3d graph library then achievement was got by using the technology of 3d visualization to livingly express design results 3 ) combing with the concerned study and development projects, adopting vc + + as development tools and in the light of those theories and algorithms stated in this dissertation, a software, which could build scene models with realism for 3d railway location design, in the name of " the dynamic simulation system of 3d scene of railway " was developed., the correctness was proved by using the software to build the 3d scene models and achieve their animation of suining - chongqing railway and yunnan - xizang railway

    本文綜合利用計算機圖形學、科學計算可視化、人機交互、虛擬現實、計算機動態模擬等理論和技術,針對混合語言編程、真實感圖形繪制以及三維景觀模型的動畫驅動等關鍵技術,進行了深入細致的研究,從而探討了建立逼真景觀模型的方法,並基於本文提出的方法研製了一個鐵三維景觀動態模擬系統。基於這一思想,本文主要研究內容及研究成果如下: 1 )混合語言編程可以實現語言優勢互補,具有普遍意義。針對數字地面模型的建立、優化、重等計算模塊是成熟的fortran程序代,本文成功實現了vc + +與fortran語言的混編; 2 )緊緊圍繞三維選設計中景觀模型的建立方法展開研究,綜合利用計算機圖形學、計算幾何及幾何造型學以及計算機模擬技術,採用opengl三維圖形庫,實現了景觀模型的建立以及動畫驅動,使得三維可視化技術成功應用於選設計成果的三維直觀表達; 3 )結合有關科研課題,利用vc + +開發工具,以本文所述的理論和演算法為基礎,研製和開發了一個建立三維選設計逼真景觀模型的系統軟體- - 「鐵三維景觀動態模擬系統」 。
  8. The devices are also integrated with a barcode scanner, wireless lan card and gprs modem. they run on an intel xscale 400 mhz processor with the pocket pctm 2002 operating system. the basic configuration has 64mb ram and 32mb flash rom

    這些個人數助理都配備了條閱讀器無局部區域網和通用分電訊服務的調解器,並使用英特爾xscale 400mhz處理器和pocket pctm2002操作系統。
  9. The other one is the synthetical local nonlinear pca neural network recognition model constructed by combining the nonlinear generalization of pca and sub - space pattern recognition technology. we use the two recognition systems in handwritten digitals and characters recognition and obtain some satisfactory results. compared with some traditional classifiers, our systems have better recognition performances

    而基於非性pca的神經網識別模型對傳統的性pca進行了推廣,並利用了子空間的模式識別方法,針對每個字元類使用神經網建立多個模板,然後利用pca神經網和聚類演算法構造自動編對模式類進行重構,避免了特徵提取的復雜性和信息的丟失,提高了系統的識別性能和運算效率。
  10. Obviously rc6 is not square - like cipher. square attack can only attack few rounds of rc6, because the data - rotations of rc6 affact the rules of propagation for active and passive words, which makes square attack ineffective. we analyse the square attack against serpent which is bit - oriented cipher, and the result shows that square attack on serpent is weak, because the bit - oriented linear operations interrupt the rules of propagation for active and passive multiset

    我們將square攻擊應用於rc6密,發現square攻擊只能攻擊少數幾輪rc6 ,這主要是因為rc6的數據依賴循環運算打亂了活動位元和固定位元的傳播徑,使得攻擊無法進行。我們分析了對serpent密的square攻擊, serpent密的按比特性混合運算打亂了所構造multiset的傳播徑,使得攻擊只能進行到3輪serpent密
  11. In this thesis, the principle of polarized light wave transmit in optical fiber is researched, i. e. principle of ternary optical fiber communication is researched. based on the researches, the construction of ternary codes optical end machine and 3b2t optical end machine used in two - state fiber net are designed. the construction and component of circuits in 3b2t optical ( called sign converter circuit - scc ) are designed particularly, including : the clock synchronization module, the data synchronizing, code converting module, frame managing module and error exam and managing module

    本文研究了偏光波動理論以及在光纖中的傳輸原理,研究了三值光通信系統原理和器件原理;在此基礎上,設計了三值光端機和在現有兩值光纖網中實現三值光通信的3b2t三值光端機的成結構,詳細設計了3b2t三值光端機的電成部分(稱為電信號變換電scc ) ,包括:時鐘同步模塊、數據同步模塊、元變換模塊、幀處理模塊及差錯檢測和處理模塊;而且在三值光纖通信基礎上,提出了四值光通信的原理和偏分復用的實用化方法。
  12. The new collection and delivery management system cdms is an interactive system utilising the new 2. 5g general packet radio services gprs wireless network to support over 300 postmen with mobile personal digital assistants pdas so they can perform their duties in the field

    綜合收派管理系統是個互動系統,以2 . 5g通用分電訊服務gprs網配合個人數助理,協助300多位郵差在戶外執行職務。
  13. Encoding and decoding operations map a unicode character to or from a stream of bytes that can be transferred to a physical medium such as a disk or a communication line

    和解操作將unicode字元與可傳輸到物理介質(如磁盤或通信)的位元流進行相互映射。如果映射操作無法完成,則可以使用
  14. The safety installation of the automobile bumpproof is a very hot topic nowadays, and it is also one of the most important part of intellectual traffic. we use the compound radar and fm coding technology, choose the unique route to produce and develop the expressway automobile bumpproof and alarming installation, which solve the " false alarming " problem that occurs while b eing interrupted in the complicated traffic conditions

    汽車防撞安全裝置是當今世界的熱門話題,是智能交通的重要成部分,我公司開發生產的高速公汽車防撞報警裝置採用復合雷達和調頻編技術,選擇獨特的技術,解決了復雜交通環境下因干擾而產生的"虛警"而且作用距離遠,反應速度快,可靠性高。
  15. The physical structure, physical layer protocol and multiple optimized opto - electronic and electronic to electronic design schemes for the next generation of cable digital tv optic packet switching network are discussed in the light of the generation of optic packets, coding scheme, regeneration of optic packets, synchronization of optic packets and flux allotment in optic packet switching

    摘要從光分的產生、編方案、光分的再生、光分同步以及光分交換的流量分配等入手,討論了下一代有數字電視光分交換網的物理結構、物理層協議配置及光電、電電的多種優化設計方案。
  16. Firstly, the discrete multi - tone processing in an adsl central office - side interface card is detailedly introduced. the processing mainly includes timing, framing, interleaving, forward error correction, cyclic redundancy check, constellation encoding, inverse fast fourier transform processing, prefixing, d / a converting, and amplifying. secondly, a kind of interface named utopia level 2 is used as the network interface, with which many adsl devices are linked with one atm layer

    本文比較詳細地闡述了數字用戶接入模塊( dslam )開發方案中, adsl局端介面模塊的dmt編與調制過程,討論了其網應用方式以及基於atm的網側介面utopia2技術,分析了adsl與其它寬帶接入技術的相互聯系和優缺點,並介紹了方案中所採用的一些關鍵技術,包括在插拔技術、系統同步啟動和故障自動重起技術以及高速數字信號完整性的保證技術等等。
  17. For power control of listening users, forward power control method are introduced based on full, multichannel, filtered report, and collision method etc. the full report method has redundancy report information, and its real - time performance is bad, multichannel report is introduced to improve the real - time performance, and filtered report is introduced to eliminate the redundancy information, finally the collision method introduced can not only get higher real - time performance but also diminish the redundancy information ; 2. in order to meet the requirements of making the dynamic simulation of trunking group system, the ms ’ s random move equation is brought forward, the simulation of ms ’ s distribution is done and the integrated channel model are presented ; 3. the smart predicative model of power control is introduced to overcome the delay and track the change of the complicated network, with this model, the power control ‘ s performance is greatly improved

    全匯報方法存在冗餘的匯報信息,而且實時性較差,為了改善實時性提出了多通道的匯報方式,為了改善冗餘匯報而提出了篩選法,最後介紹的碰撞法在減少冗餘信息的同時又提高了實時性;二、為了集群功率控制動態模擬的需要,提出了移動臺的隨機運動方程,進行了有關移動臺的分佈模擬,建立了綜合的通道模型;三、希望克服延時和跟蹤復雜網環境變化,提出了功率控制的智能預測模型,通過智能預測模型可以改善功率控制的性能,著重介紹了採用神經網的方法實現智能預測的通用模型,從而跟蹤復雜多變的無環境,諸如慢衰落及快衰落(包括多徑衰落、多普勒效應所引起的衰落)等網特徵,達到預測功率需求;四、採用二級正交和智能天(空分多址)的方法進行內用戶的識別,改進功率控制效果;五、話權用戶的前向和反向功率控制方法;六、對引入gota的cdma系統提出了復合容量表示方法,並作容量分析,探討有關gota系統的qos問題。
  18. It also allows us to perform extensive optimizations during deployment, potentially scanning byte code and optimizing code paths, without impacting online systems

    它也允許我們在部署期間執行廣泛的優化,即潛在地掃描位元和優化代徑,而不會影響在系統。
  19. In next mobile communication system to suffice more and more high - speed data service and demand of qos ( quality of service ) many new wireless link layer transport technologies are going to be used such as mimo ( multiple input multiple output ), ofdm ( orthogonal frequency division multiplexing ), channel coding and acm ( adaptive coding modulation ) etc. low density parity check ( ldpc ) codes were first discovered in 1960 ’ s which belong to linear block codes with their parity matrix being sparse

    下一代移動通信系統為了滿足移動用戶對高速、寬帶數據傳輸業務不斷增長和更高服務質量的要求,採用了許多新的無傳輸技術,包括多天發射和接收技術、正交頻分復用技術、通道糾錯編技術和自適應編調制技術等。上世紀60年代提出的低密度校驗,是一種校驗矩陣為稀疏矩陣的性分
  20. The circuit consisted of two segments : a dedicated link between guangzhou and hong kong running at 75 baud i. e. 75 codes per second ; and another one between beijing and guangzhou at a transmission rate of 50 baud

    由兩段專用電成,其一是以傳輸速率75 baud即每秒75個電連接廣州與香港的專,其二是連接北京與廣州傳輸速率50 baud的專
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