空中通信網 的英文怎麼說
中文拼音 [kōngzhōngtōngxìnwǎng]
空中通信網
英文
air communications network-
The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part
本文所作的主要工作及研究成果主要有以下幾個方面： （ 1 ）對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究，為建立一個較為完備的自導模擬系統提供了理論基礎； （ 2 ）討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響，建立回波信號的數學模型、環境場中的噪聲信號模型（包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等）與海洋混響模型，模擬產生了聲自導系統基陣接收到的回波信號與噪聲信號； （ 3 ）深入研究並建立了自導模擬系統的總體框架，給出各個具體功能模塊組成，討論了聲自導系統對信號的時域與空域處理，並結合模擬程序中陣列信號處理模塊，給出固定多通道波束形成的模擬實現過程； （ 4 ）根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體，通過網路與控制系統相連，組成完整的魚雷模擬器。During the adjustment. it decided the amount and the rate of humidification. the system can test the states of water level by water lever sensor, thereby the main control module can control the entrance and drain of water and give warnings ; as its good man - machine interaction, the system can expediently set the humidity and the amount of humidification and control water - in valve and leading winds through control panel. the system can communicate with computer thereby the net supervise is enabled
本系統主要能夠完成以下功能：採集空氣中的濕度狀態，並送入主控模塊，主控模塊根據現有的濕度判斷是保持原來狀態還是進行加濕以及加濕量的大小和加濕速度等；能夠通過水位傳感器測試水位的狀態，從而通過主控模塊控制進水、排水、預報警、報警等；具有良好的人機交互性，能夠通過控制面板比較方便地進行濕度設定、加濕量設定、進水閥的控制、導風的控制等；能夠和上位機進行通信，從而實現網路監控。The study object of this paper is design and study of the syetem - mentioned above. the circumstance paraments of remote communication room such as temprarure, humidity, fire alarm and air - condition ' s on - off could be real - time supervised. this paper firstly intrduces the backgroud and study signification of the task, review the development of supervisement system and narrate the frame, technology criterion, network frame and calculation mode of variet kinds supervisment system. the network functions of variet kinds of confignation software are analysed
本文以西昌衛星發射中心遠程機房監控系統的研究設計為對象，通過網路實現對遠端的14個通信機房實時監控，實時監測室內溫度、濕度、實時監測室內煙、火，實時監測空調設備運行情況，出現異常情況，聯動告警裝置，本端機房和遠端監控機房自動聲光告警。For come - and - go between cities, many commercial customers need to deal with their business by notebooks, wireless lan accord with their needs. nowaday the protocol which applies to wlan is 802. 11. but as wlan ’ s transmit medium is atmosphere, it exposure in air, it is very easy to wire tapping by hackers
現在應用最廣泛的就是基於802 . 11協議的無線局域網技術。然而由於其傳播媒介是暴露于大氣中，通過空間來傳播信號，與有線網路相比更容易被黑客竊聽而獲得重要的信息。It also uses broadcasting air waves, rather than an internet connection, to relay streaming video
它還將通過空中電波而不是網際網路傳輸流式視頻信號。Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method
在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。2. applying manchester coding theory to meet the end of collision detection and codes judgment effectively. 3. using pulse position modulation ( ppm ) coding theory that is invented especially for optical communication in the air to ameliorate the system ' s performance by improving the system ' s character of pe. 4. taking good advantages of the fledged lan communication protocols and technologies to achieve a new method that has a high rate of capability to cost in building a wireless lan
論文研究中主要的創新性工作如下： 1 、提出利用光散射通信技術組建無線局域網，方便地實現了廉價而高速的局域網內微機的光互連； 2 、採用曼徹斯特編碼技術解決了光無線通信中代碼判決和碰撞檢測的技術難題； 3 、針對空氣通道的特點，利用ppm編碼技術降低通道誤碼率、改善系統性能； 4 、在光無線局域網中利用現有的成熟有線局域網協議和技術，從而保證了系統的實用性及改善了系統的性價比。This text aim at the measure and control ' s system at the experiment to equip of the air condition function and combination shanghai chijiang technology develop company new set up the enthalpy different laboratory, makes use of the visual basic 6. 0 developped the measureand control ' s system of the enthalpy different laboratory. this system adopts n ow programmable control technique that spread of boundary of domestic and international work control, the regulating speed technique by changing frequency and the rs - 485 / rs - 232 technique
本文就針對空調性能實驗裝置中的測控系統並結合上海弛疆科技發展公司的焓差室新建工程，利用visualbasic6 . 0開發了焓差室的計算機測控系統，該系統採用了目前國內外工控界流行的可編程式控制制技術、變頻調速技術和rs - 485 rs - 232通信網路技術，是一套完善的管控一體化系統。The digital city emergency management system is developed with many states of application technologies which include gsm network communication and locating technology, ism radio frequent communication and orientation technology, rational communication protocol, low power technical application, communication air base collision control, crc correction technology, arm development platform, etc
摘要通過綜合使用gsm網路通信和定位技術、 ism射頻通信和定向技術、嚴密合理的通信協議、低功耗技術的應用、通信中信息空中碰撞的解決方法、 crc糾錯技術、 arm開發平臺的應用等多項應用技術，完整地構成了人員急救報警服務系統平臺。It is one of the main tendency for mobile users to operate computers when moving, connect to the network anytime and anywhere in different ways and combine themselves and immense digital space seamlessly
在移動中使用計算機、將移動的主體通過網路與龐大的數字空間無縫的結合在一起，是當前信息系統發展的主流趨勢之一。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組織； 3 ）局部全局的兩層運行環境組織策略，無線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路故障而阻塞； 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碼提供了有力工具。With experiences of taking part in air - logistics market ' s investigating in shenzhen airport and ningbo air - port, and on the basis of gathering and analyzing the materials, the main aim of this paper is to study developing strategy in air - logistics of chinese airport in whole made a analysis of our airport present situation. then, on the point of airport, the author propose a theory including constructing air - logistics net and airport logistics center, enjoying airport code together, developing these airport with better conditions and the frame on how to construct air - logistics information system etc. in addition, the author predicts indexes related to air - logistics through utilizing two kinds of quantitative analysis methods, namely linear regression and gray - system
通過參加深圳機場物流園區市場調研課題及到寧波機場貨運公司市場部參加兩個月的寧波空運市場調研，收集和分析第一手資料，結合調研過程中所獲取的認識，本論文進而對我國機場的全局物流發展戰略進行研究，綜合分析我國機場現狀，站在機場角度，對我國航空物流的總體發展戰略提出構造航空物流網路、建設機場物流配送中心、機場代碼共享、優先發展條件優越機場、航空物流信息系統體系構造模式等策略。The government website is a government network platform built by the government body employing modern information and telecom technology, through such a platform, the government administration and service are completed by net work technology, and with the help of www, the government structure and its working process are reorganized and improved, free from the confinements of time, space and department separations, thus make the government body can offer the best, normal, transparent administration and service which are also conformed to the international standard to the society totally
政府網站是在政府管理現代化理論和實踐中產生和發展起來的。政府網站就是政府機構應用現代信息和通信技術建成一個政府網路平臺，通過網路平臺把管理和服務通過網路技術進行集成，藉助網際網路實現政府組織結構和工作流程的優化和重組，超越時間、空間和部門分離的限制，全方位地向社會提供優質、規范、透明、符合國際水準地管理和服務。The automation and one - system trend have been an international trend which is also very meaningful to the development of air transportation management in china
空中交通管理信息服務的自動化、一體化、網路化是全球趨勢，也是未來我國航行空中交通管理信息系統建設的發展方向。You may incur additional fees from the use of mobile and / or internet services of your network or other telecommunications operator / carrier and / or other service provider, including without limitation sms, mms and mobile internet browsing and other services that require the use of airtime and mobile data services
你可能會因為使用手機和/或你的網路的因特網服務或其他通信服務商和/或其他服務商（包括但不限於， sms 、 mms和手機上網及其他需要使用空中時間的服務和手機數據服務）而須支付額外的費用。W is a digiul trunkin mobile cominunhaon system based on mma forhnology it offers group call diw w m wion ( dmo ), duplex phone tall, padri data sehece, short data service and so on. tetw supports air interface and end - bend encrypon. tem is not only a fit private system for dispateh cominedcation of the polieq fire servce " w ha wtport, city tiwhc eto, but also for ule project reqthements of the public tw communication system
Tetra是一種基於時分復用（ tdma ）技術的數字集群移動通信系統，它可以提供組呼調度、脫網直通（ dmo ） 、企雙工電話、分組數據服務、數據簡訊息服務等業務，支持空中介面加密和端到端加密功能，既適合公安、消防、機場、鐵路、城市交通管理等專業部門調度指揮專用，也可滿足社會共用集群網的設計要求。The research on discrete event systems ( des ) is begun in the 1980 ' s. with the rapid development of information techniques, computer science and robotics, lots of manmade systems have appeared in communications, manufacture, traffic and military affairs. the flexible manufacturing system ( fms ), communication network, aerodrome traffic control system and military c3i system are the typical examples of manmade systems
離散事件系統（ des ）的研究興起在八十年代初期，隨著信息處理技術、計算機科學和機器人技術等的發展完善和廣泛應用，在通信、製造、交通管理、軍事指揮等領域相繼出現了一些反映技術發展方向的人造系統，其典型的例子如柔性生產線或裝配線、大規模計算機和通信網路、空中或機場交通管理系統、軍事指揮中的c ~ 3i系統等。The cooperation with china mobile, china unicom, china telecom and china netcom guarantees kongzhong to provide various wireless value - added services to over 300 million mobile phone customers and 300 million fixed - line phone users
空中網與中國移動、中國聯通、中國電信、中國網通結成了合作夥伴關系，通過他們，為中國超過3億手機用戶和超過3億固定電話用戶提供豐富多彩的電信增值服務。Air interface technical specifications of the 800mhz cdma digital cellular mobile telecommunication network
800mhz cdma數字蜂窩移動通信網介面技術要求:空中介面This essay firstly systematically introduces the theories and key technologies of vpn with the detailed presentation of the functions of safety manage central - - - - the automatic production and distribution of passwords, remote - controlled destroy of passive and active passwords, loading special data in air and special tracing of cell phones that are out of control. besides, the researchers has analyzed the contents and findings of similar researches both domestics and overseas with the emphases on the in - depth research of safety communication gateway in order to confirm a system model and carry out the macro - design. after that is the detailed introduction of the design realization of special information transportation
本文首先系統地介紹了gsm移動通信保密專網的原理知識及關鍵技術，詳細介紹了安全管理中心的功能- -密鑰自動產生和分配、被動式和主動式密鑰遙控銷毀、專用數據空中加載、以及失控專用手機追蹤等，並且對國內外同類研究的內容和成果進行分析;重點對安全通信網關進行了深入研究，確定了一種系統模型並進行了總體設計，然後對其中專用信息傳輸的設計實現進行重點介紹;本文還對安全管理中心的短消息安全通信網關與專用手機進行性能測試，測試結果表明該系統符合課題的各項技術指標，實現了安全通信網關的各項功能需求;最後，總結課題工作，對下一步系統進行完善和發展的內容提出了具體建議。分享友人