載波計算機 的英文怎麼說

中文拼音 [zǎisuàn]
載波計算機 英文
carrier computer
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
  • : machineengine
  • 載波 : signal carrier; carrier wave; carrier: 3路載波 three channel carrier載波傳輸 carrier transmission...
  • 計算機 : computer; calculator; calculating machine; computing machinery; electronic wizard; processor; pro...
  • 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
  1. The function of ppi ( programmable parallel interface chip ) 8255 is realized through emulating the key waves and testing a chip

    通過形模擬、下晶元的測試,完成了可編程并行接晶元8255的功能。
  2. The research on carrier spectrum, modulation schemes and signal codes of plc networks has received much attention, while the mac protocol of plc networks is usually adopted from general - media computer networks

    目前國際上注重研究plc網路的頻率、調制方式、信號編碼等關鍵技術。而對于plc網路的mac協議,卻通常採用修改的常規網路的mac協議。
  3. In this paper, after introduction of the code division multiple access ( cdma ) and orthogonal multicarrier ( mc ) technique, the system model of mc - cdma is analyzed and the bit error rate ( ber ) performance in downlink and uplink channel is shown in awgn channel by computer simulation

    本文在碼分多址技術和正交多技術原理基礎上,分析了高斯白噪聲通道中多碼分多址( mc - cdma )系統的數學模型,並且使用不同的擴展碼對下行通道和上行通道誤碼率性能分別作了模擬分析。
  4. This project based on the research of pd radar simulator, give the mathematic model of the ground clutter and target, generate the data of them. then the data has been translated to the memory of the simulator by a pci card

    本課題以某相控陣雷達模擬器的研製為背景,對雷達雜和目標回進行數學建模,產生相應的目標數據和雜數據,並通過pci總線,將生成的數據文件加到雷達模擬器的存儲器中。
  5. As a separate system, the system of statistics and analysis for the reliability of low - voltage user records reliability datum of every low - voltage user by gathering terminals, collects and deals with these datum with the technique of low - voltage power line carrier by lumped instrument. last, the datum in the lumped instrument are read in the database of the master station computer by telephone network

    低壓用戶可靠性統與分析系統作為獨立系統,以低壓臺區為單位,通過採集終端記錄每個低壓用戶的可靠性數據,再採用低壓由集中裝置對這些數據進行集中並處理,主站以電話網路撥號的方式將集中器中的數據讀入數據庫。
  6. Considering the requirement of communication network, a local area computer communication system of plc based on usb interface was given after analyzing the application model of plc. then after theoretical analysis and digital simulation, the plc modem and the computer interface models were designed. the design of software about the two models was also finished

    本文首先介紹了電力線通信技術在國內外的研究概況,分析了電力線通道的傳輸特性,討論了適合於電力線通信的擴頻通信方式,然後結合通信網路的要求,在分析電力線通信應用模式的基礎上,提出了一種基於usb介面的室內電力線通信方案,進行了理論上的分析和數字模擬,設了電力線modem模塊和介面模塊,編制了相應的軟體程序,並對軟體進行了測試分析。
  7. Firstly, on the base of analyzing psk ' s theory and audio - card ' s constitute and data transfers, bdpsk and qdpsk soft - modulation and soft - demodulation systems based on audio - card are studied and implemented, including generating digital carrier sequence, synchronizing carrier, designing filter, sampling and judging, etc. the system adopts coherent demodulation method, synchronizing carrier adopts costas loop

    本文首先分析了調相信號調制解調的基本理論和多媒體( mpc )聲卡組成原理及數據傳輸等方面的內容,然後研究並實現了基於聲卡的bdpsk和qdpsk信號軟體調制解調系統,內容包括數字序列的產生、同步、濾器設,信號的抽樣判決等。
  8. The spot responder system which is the necessary part of ctcs is analyzed in the dissertation and three key technologies of the channel in the responder system are researched. firstly, a new kind of rectangular plate magnetic inductive loop antenna is designed to transmit the power frequency. researching the near field inter - inductive characters, the relationship among the inductive efficiency, the perimeter and the conductor width of the antenna is found out

    本文在對ctcs中的點式應答器系統原理及組成進行分析和消化的基礎上,對系統中通道的幾個關鍵技術進行了詳盡的研究,主要分為三個方面: 1 ,提出並研製了新型的片式環形磁感應天線,並對傳輸能量的天線的近場互感特性進行了分析,得到互感效率隨天線的周長大小以及導帶寬度的變化規律,並通過模擬和試驗對天線的近場瓣圖進行了研究;通過分析寬帶匹配技術中的實頻法理論,設了信號天線的寬帶匹配網路。
  9. Based on the date of full - scale measurements, modeling wind tunnel tests and theoretical researches of the wind loads on low - rise buildings available, involved the date of the wind tunnel test and computational numerical simulation fulfilled in this paper, the effects of wind loads on low - rise buildings have been studied systematicaly and extensively. it reveled properly the principle of the changes of the surface mean pressures, local pressures, and fluctuating pressures with the building geometry, roof type and slope, wind direction, eave configuration, cladding system, and dominate openings

    本文根據國內外有關低層房屋風荷的全尺寸實測、模型風洞試驗及其理論方面的研究,包括本文進行的低層房屋屋面風壓分佈的風洞模型試驗和數值模擬,對低層房屋的風荷特性進行了系統而深入的研究,較好地揭示了低層房屋表面的平均風壓、局部風壓和壓力的動隨房屋的幾何尺寸、屋面形式、屋面坡度、風向角、檐口構造、覆面材料和門窗開洞而變化的特點和規律。
  10. The paper contains all kinds of knowledge related to the system, including maxwell electromagnetic theory, pattern of optical radiation in space, channel model of atmosphere communication, computer communication protocols, wireless lan communication protocols, medium access control protocol, carrier sense multiple access / collision detection protocol, manchester coding theory, pulse position modulation coding theory and so on

    主要包括: maxwell電磁理論;發送光場模型;空間通道模型;網路通信技術:無線局域網通信技術;媒體訪問控制規程( mac ) ;檢測多址接入碰撞檢測規程( csma cd ) ;曼徹斯特編碼與ppm編碼技術等。
  11. A new experimental and training system with modular hardware and software is introduced in this paper based on the research and analysis of the principle, structure and realizing method of microprocessor relay protection and safety automation equipment and the constitutes of cut - up arrangement substation integrated automation at home and abroad whose function includes relay protection experiment, such as current protection, distance protection and so on, and substation integrated automation experiment etc. the structure and function of the experimental and training system are introduced in detail, the principle and function of the hardware section are analyzed, and the method of software designing and programming is concisely set forward. in this paper, a new communication mode between computer and the rs - 485 bus and the can bus by using the computer ' s epp port and an effective method of software ' s remote downloading are brought forward

    論文在研究和分析了國內外微保護和安全自動裝置的原理、結構和實現方法以及分散分散式變電站綜合自動化系統構成的基礎上,開發了一種硬體和軟體模塊化,能實現電流保護、距離保護、故障錄等多種繼電保護和安全自動裝置功能以及變電站綜合自動化功能的實驗培訓系統,詳細介紹了整個實驗培訓系統的結構和功能,分析了硬體部分的原理和作用,還簡要闡述了整個軟體編制的大體方法,並提出了一種利用的epp口實現上位與rs - 485總線和can總線通信的新型通信方式,提出了一種利用psd913f2的雙flash的特點進行軟體的遠程在線下的方法。
  12. In the process of building and using the mass concrete structures, because of the effect of out - side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance using nondestructive testing method to test the concrete ' s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseases this dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic fem to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, researched the principles of the first - arriving waves " phase when the cracks " depths are not same, obtained the relation between the inversion point and the cracks " depth, which has the direction sense in the application of projects, the second part of this dissertation is ct, which used the ultrasonic wave running through the tested - substance to get arriving - time of the ultrasonic wave, then inverse the image this dissertation drawed one ct program which can well present the different little cells " ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested - substance, ct has the better using foreground.

    在混凝土結構的施工及使用過程中,由於受其自身及外界各種因素的影響,常常會產生一些缺陷,對結構物的承能力和耐久性造成嚴重影響,採用無損檢測技術進行質量檢測和健康診斷,這對混凝土結構開展安全、穩定性評估以及病害隱患治理研究具有重要意義。本論文主要針對大體積混凝土結構缺陷的檢測方法展開研究工作,重點討論了超聲法檢測混凝土結構裂縫的基本原理和方法及其特點、適用范圍,運用動力有限元數值模擬其檢測過程,探討了有裂縫缺陷的混凝土結構在脈沖荷作用下彈性的傳播及其變化特徵,研究了不同裂縫深度下首相位變化規律,得出了反轉臨界點與裂縫深度之間的關系,這對實際工程應用具有指導意義。聲ct是一種新的無損檢測技術,它是利用聲穿透被檢測體獲取聲接收時間,來進行反演成像的技術。
  13. In this dissertation, ofdm which has been the hottest spot in communication field recently will be considered as my direction. the dissertation will study some key techniques in mc - cdma system, such as modulation technique, peak - average power ratio, detection technique and synchronization problem of the whole system. what ' s more, the results of calculation and simulation will be given

    本文以目前通信領域的熱點: ofdm (正交頻分復用)為研究方向,對于多cdma系統中的若干關鍵技術,即多cdma系統中的調制技術、峰平比性能、接收端檢測技術以及整個系統同步問題進行了研究,並給出相應的模擬結果。
  14. In this paper, the coaxial disk cylindrical waveguide with longitudinal ribs as sws, a series of detailed studies have been made by theoretical method combining with numerical ananlysis, and a great deal of valuable conclusions have been obtained

    本學位論文採用理論分析和模擬相結合就脊加盤荷導結構進行了一系列的深入研究,得到了許多有用的結論。
  15. After analyzing the performance of the coherent tree - structured optimal joint detection ( tsojd ) for qpsk signals and deriving a non - coherent multi - user weight / phase estimator, the dissertation proposes a low complexity non - coherent multi - user weight / phase optimal joint detection algorithm. besides, the dissertation proposes a partial coherent multi - user / iv weight / phase optimal joint detection algorithm and some useful conclusions are obtained in comparison experiments. 4. in the research on the diversity techniques for fast fading multi - path channels, the dissertation proposes a time - scale rake receiver, and analyzes its performance with the conception of auto - wavelet - transform ( awt ) and time - - scale resolution

    提出了過飽和低復雜度qpsk信號的樹型最佳聯合檢測演法,並分析了相應最佳接收的性能及相位偏差對性能的影響等問題;考慮了相位和多用戶信碼的聯合檢測問題,通過理論推導給出了過飽和多址系統中多用戶信碼/相位聯合估子,提出了低復雜度非相干多用戶信碼/相位最佳聯合檢測演法,並分析了此非相干最佳接收的誤碼性能及相位提取誤差等有關問題;提出了部分相干多用戶信碼/相位最佳聯合檢測演法,通過模擬分析了該接收的誤碼性能及相位提取誤差等有關問題,並與相干、非相干解調兩種情況作了比較,得出了一些有益的結論。
  16. Realization of kf by using c language faced on c196 in navigation computer

    使用c196語言于車導航上實現導航中的卡爾曼濾
  17. Realization of optical wavelet transform with 4 ? optical processing system and loading filters with computer programming, the sensor has the advantages of optical information processing 2 - d, high - speed, parallel, large volume and flexible computer control

    該傳感器用4 ?光學處理系統實現光學小變換濾,以編程加器,因此兼有光學信息處理的二維、高速、并行和大容量的優點,以及控制靈活的優點。
  18. Abstract : : a technique for carriersynchronization of a digital modem is studied and the results of computer simulations are given. through comp arison of twokinds of phase estimator systems, it is shown that the combination of phase signal decision process and signal decoding processwill improve system performances obviously

    文摘:分析了數字數據同步技術,提供了模擬測試的結果,並通過對兩種不同鑒相器系統的性能比較,說明了把信號相位判斷過程與信號解碼過程結合,可使系統的性能得到明顯改善。
  19. A computer network which utilizes the existing common carrier network for transmission while providing added data service features with separate equipment

    一種網路,利用現有的公用網路進行傳輸,同時使用獨立的設備提供附加的數據服務功能。
  20. 5. study of routing and wavelength assignment. compareing some alorithms ’ performance, one new routing algorithms is described in this thesis, which synthetically considers the effect of hops, network loads and link loads

    5 .研究了路由與長選路問題,對現有rwa演法的性能進行了比較,提出了一種基於光通道跳數、整個網路負以及鏈路負綜合選路的演法,並對該演法進行模擬,模擬結果表明,該演法性能比far 、 fplc演法好。
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