通信定理 的英文怎麼說
中文拼音 [tōngxìndìnglǐ]
通信定理
英文
communications processing-
As a kind of representation of the idea of ncw, the essence of aerial defence missile network - centric operation is to connect every part of the adms within certain areas into a network, in order to utilize and exert the function and advantages of each battle system to the full extent, to shorten the responding time for aerial defence battle system, and thus to improve the whole battle efficiency
防空導彈網路化作戰是在區域防空作戰背景下研究網路化作戰理論的具體實現，其基本思路是將在一定地域內防空導彈系統的各部分網路化，在通信網路的支持下，充分利用和發揮各作戰系統的功能和優勢，以提高防空作戰系統的反應時間，提高該地域內防空導彈系統的整體作戰效能。It can easily be removed and is not fixed to the ground, " kyodo news agency quoted the osaka high court as saying in its judgement. " under the city parks law, it is not permitted for a private individual to use a park as their address. " kyodo said the city office had appealed against the original ruling, concerned that it would encourage other homeless people to move into the park
它可以被輕易的挪來挪去而並非完全固定在某一塊地面之上。按照現行城市公園管理法規的規定，將公園當做私人通信地址的做法是不被允許的。 」推翻了以前的判決只要是為了防止該判決會鼓勵其他無家可歸的人也到公園來安家。Technique of transmitting data via power line （ pl ） ， a new technique developed in recent years ， is used to automatize the free collecting system in public service and the management of uptown service 。 this article discussed the advantage ， disadvantage and the current state of the power line carrier communication 。 the advantage ， method and current state of using spread spectrum technique in power line communication are discussed 。 then the characteristic of low voltage power network was also compendious analyzed 。 in this paper ， after introducing the principle of ssc ， design of hardware and software of the system are been discussed 。 this system has been put into use ， the result has proved its high stability and reliability
本文研究旨在提供一種利用低壓電力供電網路、低成本、高可靠地實現公共事業收費自動化和小區物業管理智能化的技術應用。討論了電力線載波通信的優、缺點及現狀，擴頻技術在電力線載波通信應用的優點、方式和現狀，並對低壓電力線網路的特性進行了簡單的分析。在闡述了擴頻通信的基本原理的基礎上，本文詳細地介紹了電力載波遠程抄表系統的具體實現，包括硬體模塊和管理軟體本系統已投入運行，具有較高的穩定性和可靠性。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 signal we named it fundamental wave ; according to the fundamental wave, coefficients of the fundamental wave can be lined in a sequence. when the unique of the dissolve of the fundamental wave can be confirmed, the sequence of the coefficients can be regarded as one of representation forms of the signal itself ; theory of dissolvable signal shows that when order of the matrix of fundamental wave sampling equals to number of fundamental waves, the sequence of the sampling values from sampling points must be matched one by one with the sequence of the coefficients of fundamental waves. the sampling composed by sequences of the sampling values must be full sampling ; the relevant deductions of the theory of dissolvable signal shows that when sampling the signal, sampling frequency must be lager than the ratio of the number of fundamental waves to the occupation time of the fundamental waves ; to band - limited signals, when the fundamental wave is a sine signal, the results from the relevant deductions of theory of dissolvable signal is coherent to the classic sampling theory
本文通過分析認為，當信號集中的任一信號可表示為一系列已知信號的線性代數和時，信號集便構成可分解信號集，已知信號稱為基波信號；對可分解信號而言，基波系數構成一序列，當對指定的基波信號集分解唯一確定時，系數序列本身便是信號的一個表示；可分解信號采樣定理指出當基波樣值矩陣的秩等於基波數時，則由采樣點處的采樣樣構成的樣值序列必與基波系數序列一一對應，從而由該樣值序列構成的采樣必為完全采樣；可分解信號采樣定理中的推論指出，對信號集進行采樣，采樣頻率必須大於其信號分解的基波數與其對應時長之比；對有限帶寬信號，若基波信號為正弦信號時，由可分解信號采樣定理推論給出的結論與經典采樣定理一致。In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab
針對無連接和面向連接的各種復雜網路環境下，通信頻帶資源緊張，音頻傳輸帶寬有限且復雜多變，而各種音頻數據又日益增多的局面，本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義，在前人不斷工作的基礎上，提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法，兼考慮了編碼效率、多碼率和壓縮時延多個方面，並在matlab環境下做了模擬實驗，對各種音頻信號及多種小波函數做了模擬結果比較，實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果，達到多碼率下實現實時編解碼的過程，在高速dsp晶元等硬體設備支持下，可以有效應用於實際復雜多變信源編碼。Futurists have long been prophesying a great integration, when all forms of communications would be defined by a single format, handled by the same equipment and possibly even billed for by the same company
未來學者早已預言，當所有形式的通信由單一格式定義，並由同一設備處理，甚至可能由同一家公司結算之時，就實現了大集成。In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage
我們對兩種正交調制方式（ 16qam和4 - qpsk ）進行了模擬工作並給出了模擬結果，同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試；然後在基於軟體無線電思想的數字處理平臺（該數字處理平臺實現了中頻數字化）上用dsp軟體完成了載波的相位跟蹤。With fashionalbe orange in design, comfortable open sales at counter, convenient business operation by china telecom, competitive telecom products and honest and affinitive service, all consumers shall have a simple and happy shopping here
其時尚的的橙色門店設計，舒適的開放式櫃臺銷售，便捷的中國電信業務受理，有競爭力的通信產品銷售，誠信親和的服務，必定能令你擁有簡單、快樂的消費體驗。With fashionalbe orange in design, comfortable open sales at counter, convenient business operation by china telecom, competitive telecom products and honest and affinitive service, all consumers shall h * * * e a simple and happy shopping here
其時尚的的橙色門店設計，舒適的開放式櫃臺銷售，便捷的中國電信業務受理，有競爭力的通信產品銷售，誠信親和的服務，必定能令你擁有簡單、快樂的消費體驗。According to horodeckis, the coherent information of entangled state is supposed to be the lower bound of one - way distillable entanglement. this postulation is called hashing inequality, which is crucial in proving noisy channel coding theorem. it is shown that there are no direc
根據horodecki等人的研究，糾纏態的相干信息推測是單向蒸餾糾纏的下限，該假設稱為hashing不等n式，對證明有噪通道編碼定理至關重要According to the trend, this paper introduces the technology of database and pc ' s serial port communication, which is adopted as the technology premise of wireless surveillance control system. and it illustrates the key technologies of how to realize the wireless surveillance control system. by making full use of its possible expansibility, flexibility and pervasive applicability, as well as the serial port communication technology, scada could help to transmit batch of data effectively, extend the ascii code serial port communication processing in the mscomm components and transmit the large - scale data stream
針對這一趨勢，論文在介紹了作為無線監控軟體系統的技術前提的數據庫技術和微型計算機串列口通信技術的基礎上闡述了實現無線監控軟體系統的各項關鍵技術，對利用數據庫系統對數據結構間的關系的嚴格定義和約束實現系統的可擴展性、靈活性與普遍應用性、利用計算機串列口通信技術實現批量數據傳輸、實現了數據的有效傳遞、 mscomm控制項中擴展ascii碼的串口通信處理和大型數據流的傳輸等項技術作了詳盡地說明，並對已完成的系統作出了評價，提出可以進一步改進的意見。This will prevent firms from targeting children by using cartoon characters and celebrities such as gary lineker, david beckham and britney spears. tv watchdogs aim to ban junk food adverts during children ' s programmes
負責制定計劃的英國電視廣播電信和無線通訊行業的監管機構通信管理局表示，該計劃涉及的食品包括高脂肪和高鹽高鹽分的食物。With the demand for high quality of electric energy is increasing ， as the most immediate part to the consumer ， distribution network ’ s efficient and reliable operation is very important as the result ， new distribution automation equipment with high performance is inevitable prime machine system ， as data collection and processing subsystem of dms ， provides communication of kinds of information between control center and rtus it ’ s reliability ， real ? time abilitv and stability affect the scada system directly to solve the disadvantage of the existing system ， whose channels are dependent ， a new proj ect of single board system is brought forward and its hardware and software are designed with high performance chip of communication ， independence of channels is realized basic function of system is realized ， and faster reposition and expansibility of the single chip is fully applied
配電自動化通信前置機作為dms主站系統的數據採集與處理子系統，提供監控中心與遠方rtu之間各種可能信息的交換功能，其可靠性，實時性和穩定性直接影響scada系統的運行質量。本課題針對現有前置機各通信通道之間不相互獨立、穩定性低的固有問題，提出一種新式單板前置機系統，並對其進行了軟硬體設計，選用高性能專用通信處理晶元，實現各通道獨立，並在實現前置機基本功能的基礎上，充分發揮單片機相對于工控機的快速復位功能以及更好的可擴展性，實現了一個可靠、穩定、靈活的前置機系統。First this chapter analyses the function of modem in theory, as well as communication principle of computer and modem. second designs program of serial communication using mscomm of vb 6. 0, by reason that mapbasic is the second development tool of mapinfo and a programmable language of developing map information applications, it is unable to directly read datas of serial port used by modem, unless by means of external program. finally using dde technology completes transmitting real - time orientation data between mapinfo and serial communication program of vb
本章首先從理論上分析了modem功能及與計算機的通信原理；其次利用v86 . 0的通信控制項mscomm開發串列程序，由於mapbasic是mapinfo二次開發工具，是一種編制地圖信息應用程序的編程語言，不能直接讀取串列通訊埠數據，它必基於gsm網和pstn網的移動終端和遠程主機的實時數據通信系統的技術研究須藉助外部程序來完成與modem的串列通訊；最後利用ode技術來實現maplnfo與vb串列通信程序實時定位數據傳輸。The design of vehicular - locating set is the primary content in this paper which is based on developing of gps / gsm supervising and dispatching system for vehicle. the vehicular - locating set ' s principle 、 features and hierarchy are disscused in detail, and the communication of the vehicular - locating set and supervise center is introduced emphatically. finally the technologies related to vehicle supervision and dispatch is forecast
本論文以gps / gsm車輛監控調度系統的開發為基礎，以車載臺的設計為主要內容，詳細闡述車載臺的組成、定位原理，重點敘述了車載臺與監控中心的通信原理及實現方法，最後對車輛監控調度的相關技術作了展望。Thereinto communication with host machine comes downto time ' s checking and synchronization, the corresponding method is combined with valid calling core and makes the delay to the least. we also use the display board with electronical map and settle the matter of orientation. to the problem of historic data, we have resolved the redundance of data and reduced the space of data ' s copying
其中與報警主機介面的通信處理涉及到校時和同步，相應的處理方式採用了結合系統內核的高效調用，將延時降到了最小；而對報警方位的顯示處理則採用了顯示板結合電子地圖，直觀而有效的解決了定位問題；針對歷史數據的處理，則結合了處理信息的特點，有效了解決了數據冗餘問題，縮小了數據備份空間，而且在一定程度上提高了數據存儲的效率。Especially, we analyze the signals of the vsat system, including the network controlling signal and kinds of operation signals. we make use of serial communication to control demodulation terminials and use kinds of advanced technology such as multi - thread in windows 98 to improve the real - time performance
總體上看，在信號分析過程中，我採用的對于帶偽隨機交織的卷積碼的分析方法是有一定獨創性的，其間涉及了很多數學知識和通信原理。Through over one year of hard efforts, under the guidance of china telecom group, apec preparatory office, shanghai municipal informatization office and telecommunications administration bureau and supported by all concerned parties, shanghai telecom ultimately smoothly wrapped up the task and got high remarks from leaders at all levels, apec organizing committee, participating delegations and all concerned parties of the public
經過一年多的艱苦努力，在中國電信集團公司和apec籌備辦公室、信息化辦公室、通信管理局的指導下，在各方的全力支持下，上海電信終于順利地完成了任務，得到了各級領導、 apec組委會、與會代表團以及社會各方的充分肯定。The moving agent is composed of object stub and home stub. it acts as a movable smart communication agent in the system, which solves the problem for client to locate the entity objects
移動agent由objectstub和homestub構成，作為系統中可移動的智能通信代理，移動agent解決了客戶對實體對象之間的定位問題。分享友人