multiple-channel system 中文意思是什麼
multiple-channel system
解釋
多通路系統-
In view of the drawback of the existing models, a novel geometrical based spatial - temporal hybrid - path channel model is proposed for multiple antennas system
基於現有模型的不足，提出了一種基於幾何結構的混合路徑空時無線通道統計模型。 -
On the one hand, utilizing present resource in brand, customers and 6000 multiple shops, kodak should set up mode of successful and incremental marketing channel and service system to supply digital output. on the other hand, kodak should reunite the company interior resource and structure, adjust product to develop mainstream products weightily and establish frontal integrated suppliers system
即一方面利用現有的品牌、客戶和6000家連鎖店的資源，建立通暢、可增值的銷售渠道和提供數碼輸出服務的服務體系；另一方面實行架構重組，整合公司的內部資源，並有針對地調整產品線，重點發展主流產品，最後是建立健全和完善的上游供應商體系的策略。 -
Multiple channel satellite tv, vod system, electronic ic locker system, separate desk, mini - bar, electronic safe, internet line, hair drier, dressing table, mini platform scale, bathrobe, separate shower room, shuttle bus, baby sitting, airline desk, business center, banquet facilities, laundry, beauty salon, ems dhl service, flower shop, multi - language staff, tour guide service, night club, idd ddd, restaurants, bowling, money exchange
滿堂春中餐廳以海派菜系為主，廳內設有貴賓廳及六間單獨包廂彩虹廳的西式廚藝，色香味美花園食街提供河鮮海鮮煲仔家常菜及精美點心在櫻日本料理除了可品?到日本刺身壽司之外，還可以品?到多款即席烹制的美食，其內設有大小三個榻榻米包廂。 -
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載波技術原理基礎上，分析了高斯白噪聲通道中多載波碼分多址（ 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計算機模擬分析。 -
Abstract : a new algorithm applied to the fixed channel assignment in the cellular pattern is proposed. it is based on the theory of evolutionary algorithm. it uses the concept of multiple reuse plan ( mrp ) and solve the problem of large scale through blocking algorithm, and it is a fast 、 efficient and parallel searching method. it has been used in frequency plan system of beijing university of posts and telecommunications. it has been used in several plan project for some city, and been adopted because of its good performance
文摘:提出了一種新的用於蜂窩移動通信中小區規劃的固定頻率分配演算法.它基於遺傳演算法的基本理論，運用多層頻率復用的概念和分塊演算法解決了大規模區域的頻率規劃問題，是一種快速、高效的并行式搜索的頻率分配演算法.該演算法已用於北京郵電大學的頻率規劃軟體系統中，並用它為幾個市區作過規劃，效果滿足要求，且已被采納 -
In the research of the project of multi - user vehicle software radio cooperating with a company in guizhou, the thesis analyzes firstly the characteristics of wire transmission that the co - worker applied in the previous phase. aiming at the vital weakness, the thesis proposes a substitute plan which adopts wireless time divided multiple use software radio communication system to meet the demands of multi - user accessing channel and high flexibility
在與貴州某單位合作的多用戶車載軟體無線電臺項目中，本文首先分析了合作方前期使用的有線傳輸方案的特點，針對其機動性差的致命弱點，提出了一種採用無線時分復用的軟體無線電通信系統替代方案，以滿足其多用戶復用通道及高機動性的要求。 -
In this work, according to the feature of soft x - ray fluorescence, a setup has been established for the measurement of soft x - ray fluorescence in laboratory, which is calibrated by 55fe. the setup is made of x - ray tube, fine tuning table, vacuum system, gas - flow proportional counter and multiple channel analysis
本文工作中依據軟x射線熒光的特點，在實驗室建立了一套軟x射線熒光測量裝置，該裝置由x射線管、精密微調樣品臺、真空系統和流氣正比計數管探測系統以及多道分析儀組成，並採用~ （ 55 ） fe標準光源對系統進行實際標定。 -
The optimal transmission strategy of a single user multiple - input multiple - output ( mimo ) wireless communication system which the transmitter has only imperfect feedback of channel state information ( csi ) is studied
摘要研究了發射端只有非理想通道狀態信息反饋的單用戶多輸入多輸出（ mimo ）無線通信系統的最優發送策略。 -
First of all, the development of the digital trunked communication system is summarized, and the technical characteristics of several prevail worldly digital trunked communication systems are compared. in view of the domestic situation, the tetra digital trunked radio communication system is chosen as the studying and developing model. with the study of control technology of softswitch, the protocol of the v + d air interface and the multiple use of channel is analyzed, the base station control unit of the digital trunked communication system is discussed, the calling control flow is designed
本文首先綜述了數字集群移動通信系統的發展狀況，針對目前國際上流行的數字集群體制的技術特點進行了比較和分析，並根據我國的具體國情選擇了tetra數字集群系統作為研究和開發的重點，結合對軟交換控制技術的研究和分析，對集群系統重要的v + d空中介面協議及其通道復用進行了較為深入的剖析，對數字集群實驗系統的基站控制部分進行了論述，對呼叫控制流程進行了設計。 -
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；計算機網路通信技術：無線局域網通信技術；媒體訪問控制規程（ mac ） ；載波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。 -
According to wireless and mobile communication system ' s background, this thesis study on estimation of time - varying dispersive channel from four respects : ( 1 ) aid of pilots, ( 2 ) cyclic prefix ( cp ), ( 3 ) blind method, and ( 4 ) ofdm system with multiple transmitting antenna, in which the typical ways is decision - feedback algorithm and self - adaptive block algorithm
本文以無線和移動通信系統為背景，從四個方面對時變色散通道下的ofdm系統的通道估計和均衡問題進行了研究。第一是基於導頻符號的通道估計方法，第二是基於循環前綴的通道估計方法，第三是通道的盲估計方法，第四是基於多天線ofdm系統的通道估計和均衡方法的研究。 -
In medicine industry, with china reforming medical treatment system and entering wto, the traditional channel of multiple levels must be broken. thus it ' s urgent to innovate the medicine marketing channels
在醫藥產業，隨著醫療體制改革以及中國加入wto ，現今的多渠道、少環節、多點購銷、相互競爭的醫藥產品流通格局勢必被打破，開放醫藥產品批發、零售服務領域已成定局，因而醫藥產品的營銷渠道創新勢在必行。 -
( b ) propose the multiple apertures system based on analysis of channel performance of atmospheric channel. ( c ) propose rake receiver in indoor diffuse channel based on analysis of channel performance
）在對室內漫射通道特性進行分析的基礎上提出了室內漫射通道下的rake接收機系統，並分析了其性能。 -
This master degree thesis, based on the observing of developing actuality of on - site electrical apparatus monitoring technology, aims at overcoming the problems existing in former on - site monitoring system, such as unable to realize multiple channels sampling and hold, unable to carry out multiple channel programmable magnification, unable to monitor frequency, low pick up bits, external rom low speed data saving, inefficient data query method, inflexible debugging and installation, low precision etc. by introducing eda ( electrical design automation ) technology, we put forward a creative circuit design scheme, which can considerable updated the on - site monitor system
本文根據電氣設備絕緣在線監測技術的發展現狀，針對以往在線監測數據採集系統存在的集成度低，不能實現多通路并行采樣，不能實現多通道同時程式控制放大，不能進行同步頻率監測，采樣位數較低，採用外部存儲器方式，對數據進行查詢的訪問方式，安裝調試不靈活等缺點，提出了應用現代微電子技術電子設計自動化（ eda ）技術實現對在線監測數據採集系統的改進。 -
Over multiple - path fading channel, a novel iterative single - tone interference suppression scheme is proposed for convolutionally coded system in the single - tone interference environment. the iterative receiver is based on the combination of iterative single carrier frequency domain equalization and interference rebuilding and cancellation
該方法利用衰落通道下單音信號的頻域特性，對干擾信號進行重建及干擾抵消，同時，結合單載波頻域均衡迭代檢測技術，實現衰落通道中的聯合單音干擾抑制及信號檢測。 -
An approach to direction finding based on single receiving channel is presented to overcome the shortcomings of multiple channel system, such as too complex and highly cost hardware, performance change for the worse due to the inconsistency among multiple channels
摘要為克服多通道系統硬體量大、造價高及多通道間存在不一致性時性能惡化等不足，提出一種基於插值恢復多通道信號的單通道接收陣列測向方法。 -
Because of its unique structure and outstanding characteristics, multiple - channel brushless dc generator which is made up of doubly salient electro - magnetic generator is a new kind of one. it can improve the reliability of the power - supply system for helicopters
由於電勵磁雙凸極電機獨特的結構和優良的性能，所以由電勵磁雙凸極電機構成的多餘度無刷直流發電機是實現高可靠性直升機電源系統較為理想的一種新型無刷電機。 -
Millimeter wave single pole multiple throw switch is one of the most important device in multi - channel system, widely applied to multi - beam radar, phase array radar system, electronic warfare system, and so on
毫米波單刀多擲開關是毫米波多通道轉換的重要部件，廣泛應用於多波束雷達、相控陣雷達、電子對抗技術等方面。 -
Comparing with the traditional parallel interface chips, they have fewer legs ~ smaller volume and use fewer resources. therefore, multiple channel data selecting controls keyboar &. display and alarm are realized through at89c52 ? four eight - bit i / o interface, without extending other i / o interface, making the system simplified and reliability increased
單片機的i / o介面晶元全部採用最新的串列工作方式介面晶元，與傳統的并行介面晶元相比，它們引腳數少，體積小，佔用的口資源少，因此用at89c52的4個8位的i / o口就完成了多個通道的數據採集、控制、鍵盤、顯示和報警等功能，沒有擴展其它i / o介面，使系統接線簡化，可靠性提高。 -
Multiple - channel mobile communication system with automatic dialing
多通道自動撥號移動通信系統
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