編址系統 的英文怎麼說
中文拼音 [biānzhǐxìtǒng]
編址系統
英文
addre ing system- 編 : Ⅰ動詞1 (編織) weave; plait; braid 2 (組織; 排列) make a list; arrange in a list; organize; gr...
- 址 : 名詞(建築物的位置; 地基) location; site; ground; foundation
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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On the base of researching the theory of the scheme and analyzing the signal feature, it is obtained that the existence manners and character of distance information in the differential frequency signal. at the same time, a new conclusion is gained that the technology of frequency agility can decrease the constant error of system. it is also to say that frequency agility and frequency modulation fixed - distance fuze has the similar feature to random period frequency modulation fixed - distance fuze. according to the theory of address coding in the hopping - frequency communication, the paper presents the principle of selecting the frequency agility sequence which fit to the radio fuze and constructs the frequency agility sequence family based on the rs codes
在深入研究方案原理和分析信號特徵的基礎上,獲得了該體制引信差頻信號中,距離信息的存在形式和特點,得出了頻率捷變技術的引入降低了系統定距固定誤差這一新的結論,即頻率捷變調頻定距引信在定距性能上具有類似隨機周期調頻定距的特徵。本文引入跳頻通信地址編碼理論,結合無線電引信的具體特徵,提出了適用於無線電引信的頻率捷變序列的選擇原則,並構造了基於rs碼的寬間隔頻率捷變序列族。The main research work of this thesis is focused on the encoding and decoding technologies in the optical code divison multiplexing access system
本文主要針對一維和二維光碼分多址系統中的編解碼技術方案進行研究。In this dissertation, the researches on the application of cdma in fiber - optic communication systems have been reviewed, and several key techniques in the application are proposed with theoretical analysis. in traditional researches and applications of the hfc cdma communication system, the gold sequence was used as the users " address code. in this paper, we analyze the characteristics of the m sequence in detail
本文突破了以往在hfc系統中使用cdma擴頻技術通信時,通常都採用gold序列來作為地址碼的慣例,分析和提出了在hfc的特定環境中,使用同一m序列在某時刻具有的不同相移序列,來構成一個小區的地址編碼,能夠達到多用戶通信時比使用gold序列進行通信具有更好的相關特性。At the base of compiler forepart, considering repertoire, addressing mode and instruction period of object machine, adopting backfill to fill data for machine code in order to generate right object code, assemble language program
在編譯前端的基礎上,考慮目標機的指令系統、尋址方式和指令周期,採用回填技術對機器碼填充數據以生成等價有效的目標代碼? ?匯編語言程序。Ip address allocation for postal finance computer network system
郵政金融計算機網路系統網路ip編址Information technology - open systems interconnection - tutorial on naming and addressing
信息技術開放系統互連命名與編址指導" in the login page. then enter the contact email address used during registration. a new system generated password will be sent to you via email
的連結,並輸入登記時的電郵地址,我們將立即將紅人名稱及系統編選之密碼電郵給你。The system is consist of the main data processing board which is based onthe fpga device and fast ethernet phyceiver rtl8201l and a - law pcm data encoder and decorder chip msm7702 - 3, and the dial - up and display board which is based on mcu. the main board would carry out the core task of data processing, such as voice data packing and unpacking, the ethernet frame processing, protocol processing, call processing, etc. the dial - up and display board would carry out the task of display the ip address which is input by consumer and status of network during talk period from the main board, and so on. in the paper the system of lan ip telephone and the tcp / ip protocol is introduced firstly, then the fpga device is stated. after that the fpga - based hardware scheme is introduced in detail in chapter four
系統以altera公司的acex1k系列的fpga和快速以太網控制器rtl8201l和語音編解碼晶元msm7702 - 3為核心構建了數據處理主板和以單片機為控制器的撥號顯示子板組成。數據處理主板的核心任務,包括語音數據處理、以太網幀處理、協議處理、呼叫處理等。撥號顯示子板則完成通話前的顯示用戶所撥過的ip地址,通話期間網路狀態的顯示等等。In this thesis, first, we present the theory of sess system, the generation of the sess spreading code and its characteristics and the acquisition theory of conventional spread spectrum communication system. an efficient acquisition scheme based on periodically transmitting the synchronization head, which is composed of binary chaotic codes, using the matched filter and automatic decision threshold - level control based on a so - called constant false alarm criterion for sess system is present. the acquisition model of sess system is built and simulated in the awgn channel, the raleigh fading channel and imulti - address interfere condition
本文首先概述了自編碼擴頻通信的原理、自編碼擴頻序列的產生方法及其特性和擴頻通信系統編碼同步的理論,然後針對自編碼擴頻通信系統提出了擴頻序列捕獲方案:周期性地加入混沌序列同步碼,並採用恆虛警率匹配濾波器捕獲法;在加性白高斯噪聲通道、瑞利衰落通道和多址干擾情況下進行了模擬,分析了各種捕獲性能:在選擇性能最優的混沌序列、適當的序列長度、虛警概率及門限值的情況下,可以獲得較短的捕獲時間和較大的捕獲概率。Uplink space - time channel blind estimation for space - time coded multicarrier code division multiple access systems
空時編碼多載波碼分多址系統上行空時通道盲估計In shida system, new technics is used to realize uses management. dynamic coding is realized and tree shaped directory is used to manage uses
在該系統中,使用新的方法實現對有線電視臺收視用戶的管理,即實現動態編碼技術,採用樹形目錄實現對用戶地址編碼的管理。For the windows nt device driver of pioneer - net, pioneer - net card is a programmable i / o device, and the device driver uses buffer i / o mode to copy data between user address space and kernel address space
在windowsnt操作系統下,本文認為先鋒網卡具有可編程i o設備的特點,並且採用緩沖i o的方式用於在用戶地址空間和內核地址空間之間的數據拷貝。Appropriate data compression methods are needed to assure the random nature of the information source and to enlarge its entropy. in this thesis, first, we present the theory of sess system, then the acquisition method of sess system is discussed in detail, finally, a acquisition model of sess system is built and simulated in the awgn channel, in the raleigh fading channel and in multi - address interfere condition. the simulation results show the acquisition method of sess system can be just as reliable as the conventional dsss systems
本文首先對自編碼擴頻通信的基本原理,自編碼擴頻序列的產生方法及其產生的序列的特性進行了概述,然後詳細討論了直擴通信系統中的擴頻碼的捕獲跟蹤問題,根據自編碼擴頻通信的特點,設計了其捕獲跟蹤方案,並在加性高斯白噪聲通道、瑞利衰落通道和多址干擾情況下進行了模擬。As with paging, this mapping requires two memory references per logical address, effectively slowing the computer system by a factor of two, unless something is done
如同對源程序編碼給予定位一樣,這種變換需要每一邏輯地址有兩個內存參考。如果沒有什麼措施,則會有效地使用計算機系統運算速度降低一半。Applying singlechip in the receiving system, this method can make the best of singlechip ' s resource of software and hardware and provide a reasonable and cheap resolving project for wireless remote control
在發射系統中採用十進制至8421碼編碼器實現對開關按鍵編址,從而對受控電路進行選擇控制;在接收控制系統中引入單片機,通過充分利用其軟、硬體資源,為無線電遙控提供了合理、廉價的解決方案。Peripheral devices in embedded systems are often connected to the mcu as memory - mapped i / o devices, using the microcontroller ' s parallel address and data bus. this results in lots of wiring on the pcb ' s to route the address and data lines, not to mention a number of address decoders and glue logic to connect everything
由於并行總線擴展時連線過多,外圍器件工作方式各異,外圍器件與數據存儲器混合編址等,都給單片機應用系統設計帶來布線復雜,線路板面積大,易引起emi和esd干擾等困難,這在一些比較復雜的應用系統是難以接受的。Because there is no inner ram in cpu of 8031 single - chip and addresses of program memory and data memory are organized separately, in order to attain the goal of self - developing and to realize self - developing function of single - chip applying system, the address of program memory and data memory should be organized uniformly to be read and written for program memory and be revised for it during debugging, modifying and unloading programs
由於8031單片機的cpu無片內ram ,其程序存儲器和數據存儲器又是分開編址的,因此,為了達到自開發的目的、實現單片機應用系統的自開發功能,需要對程序存儲器和數據存儲器進行統一編址,使程序存儲器可讀寫,以便在程序調試、修改、下裝過程中修改程序存儲器。In this article, we introduce the basic principle of the self - encoded direct spread ( seds ) system, construct the model of the system, and analyze the main performances of the system, such as ber performance, self - interference, mai performance and so on
本文介紹了自編碼擴頻系統的基本原理,構建了系統模型,並對其主要性能,如誤碼率性能、自干擾特性、多址能力和抗多徑干擾能力等作了分析。The researching work of this thesis is mainly about the encoding and decoding schemes of the arrayed waveguide gratings and the bragg fiber gratings systems. firstly, the basic principle, system schemes and the key technologies are introduced in section one. the development, research status and trends of ocdma technologies are also summarized
本論文的第一章對ocdma系統進行了較為全面的綜述,對光碼分多址技術的基本原理和分類、編解碼結構方案以及關鍵技術進行了介紹,並對光碼分多址技術的發展和現狀進行了概述。In section three, a complementary scheme of spectral coding and decoding is proposed. it makes full use of the broad band incoherent gauss optical source and compensates the unflatness of sectrum of the source. combining with the method of banlanced detecting, the multiple accsss interference of the multiple users is rejected in the decoding port
不同於ocdma系統中每個用戶擁有一對編解碼器,該方案通過利用二維rs碼字的周期性和awg路由器的循環性,系統所用的編解碼器能夠同時對不同用戶的地址碼進行編解碼,使得系統中的用戶共享編解碼資源,減少了系統的復雜性。分享友人