three-channel system 中文意思是什麼
three-channel system
解釋
三通道系統-
In this paper, a safe, reliable, and intellectual control plan is provided aiming at the heat charge for dwelling district, which contains epigynous machine responsible for data processing and hypogynous mahcine responsible for unlocking the valve, by means of serial communication between them, combining homemade three - channel valve, to adminstrate the charge data and the valve efficiently. the main idea is based on the homemade three - channel valve. the vavle is locked at peacetime, while it is opened with the help of open tool and a water flow in the caliduct. as soon as the flow stops, the valve locks automatically. the open tool has data in its memory, and implement function by lcd and keyborad. so it can identify data and drive motor, to open the valve intellectually. the epigynous machine database manage system administrator the dweller information, standard heat charge and payment infomation etc, including store, configure, query, print etc, then store in the memory of open tool. as a result, the plan can do well in the experiment
此閥平時是鎖閉的，只有用開啟器配以暖氣片中的水流才可打開，一旦水流斷開，則此閥會自會鎖閉。而開啟器則是根據其存儲器中的數據配以液晶顯示及小鍵盤，完成數據確認及電機驅動，自動對相應用戶的三通閥打開特定角度，完成開啟任務。上位機數據庫管理系統完成對用戶信息、熱費標準、繳費信息等原始數據的常規管理，包括存儲、設置、查詢、列印等，最後將處理后的數據傳到開啟器中存儲。 -
Secondly, its content hasconflict with the system and it can make the system to a downfall. among the three characters. information organization is the most impotw andstable while benifit organization and control lbject embody the artificial operatingcharatel ii. fundamental causes of medium ' s industriazationwth the development of huznan societyindustry revolution happened in thewest accelerated society productivity and solved the technical obstacles of publicconununication meditun. bourgeois was becoming stronger and stronger andovercame feudality at last. wth the victory of bourgeois, market economy was devoloing quickly. thepublic communication medium of capitalism are now pursuing benefits bothobjectively and subjectively but it is impossible in the past and accomplished theprocess of early industriaiization. ' it is discussed from chinese public communication medium - - - - newspaper ' semergence, developing process and its sinuosityit comes to a conclusion that thefundarnental cause of the public communication medium is that benefit and controlinieract each other. that is to saywhen benefit is stronger control is weaker and viceversa. lll. the proccss of chincse mcdium and individual devclopmcntl. under the functions of intemal prusuing benefit desire and pursuing benefitcondition, it appeared the upsurge that newspapermen set up newspaper and new tvstation was set tip from l979 to l982. 2. the upsurge of a series of tv channel and enlargement in newspapel3. the cooperation of post and delivery and owning delivery also gives a rapiddevolopment to newspapers. 4. the strengthening of individual collectivization embodies that theindustrialization gets on a new stage. 5. the illtemational fimds also ellter into
資產階級的勝利，市場經濟得以迅速發展，資產階級的大眾傳播業主完成了由過去不能追求、也沒有條件追求經濟利益而變成了主觀上努力追求，客觀條件上也能夠追求經濟利益的轉變，從而完成了大眾媒介最初的產業化過程。從中國大眾傳播媒介? ?報紙的產生，發展過程及其曲折等方面來論述，得出了大眾傳播媒介產業化的最根本動因就是利益和控制的互動，也就是說利益強時控制則弱化，當控制強時則利益弱化。三、中國大眾傳播媒介產業化進程和個體發展第一、在自身獲利慾望及外在獲利條件的雙重作用下，從1979年至1982發生了在報業的第一次辦報熱潮和發生在廣播業電視業的建臺熱。 -
The second part, have carried on the analysis of real example to the international competitiveness of the steel branch of industry of our country : of our country steel and iron industry basic competitiveness analyse mainly from " key element supply with " whether strength launch, including three respects of manpower, financial resources, material resources, are shown as high - level talent ' s shortage on the quantity of the manpower resources, it is unreasonable that the structure is shown as, personnel ' s whole quality is not high ; the resource respect of financial resources, shown as the capital market hypoplasia, industry ' s financing channel is relatively narrow, studies and uses incompletely about the modem investment and financing management method, the system defect of financing and deterioration of the environment for financing cause profit ability to be low
第二部分，對我國鋼鐵行業的國際競爭力進行了實證分析：我國鋼鐵工業基礎競爭力分析主要從「要素供給」實力方面展開，包括人力、財力、物力資源三個方面，在人力資源的數量上表現為高層次人才短缺，結構上表現為不合理，人員整體素質不高；財力資源方面，表現為資本市場發育不全，產業融資渠道較窄，對現代投融資管理辦法研究和使用不夠，融資體制缺陷和融資環境惡化導致盈利能力低下。物力資源主要表現為礦產資源相對不足，水資源短缺，對交通運輸構成壓力等。 -
Pitch control system consist of three channels which is formed by three drive units. base on need of bench, drive system scheme is designed. single channel three - loop position servo system which is formed by linear motor is simulated. then kinetic behavior of rotor and system ’ s force coupling relation is analyzed. a compensation method for dynamic load which is caused by rotor rotation is presented base on structure - invarient theory
根據實驗臺的技術要求，設計了整個驅動系統方案。對由直線電機構成的單通道三環位置伺服系統進行了設計和模擬。分析了旋翼運動的動力學特性、系統力耦合關系，並根據結構不變性原理對由旋翼運動產生的動態載荷提出了補償方法。 -
The major job is manufactured a transmitter, which has three upmixer channels. its function is to up convert the signals from c - band to ka - band. the input local oscillator is provided by a low frequency crystal oscillator which has a good performance of phase noise, through 512 times multiply to ka band. this sysetem is used in the laboratory as transmitter source of the fuze, for the multidimensional objects in practise, which lead to the complexity of the reflect signal, so the amplitude, frequency and the phase of the transmit signals both have a key role in dealing with the reflection signals. therefore, this system requires for both the coherence of the single channel ’ s amplitude, phase and multi channels
本文的主要工作是應用戶要求製作一具有三發射通道的上變頻系統，可以將c波段的微波信號上變頻到ka波段的毫米波信號。系統的本振輸入基頻由一相位噪聲非常好的低頻率晶振提供，經過512次的倍頻放大至ka波段。本系統作為實驗室中引信的發射源，由於目標反射信號具有時變的多維性，反射信號變得極為復雜，在信號處理時，不僅信號幅值、頻率有決定意義而且相位關系也很有決定意義。 -
This paper can be mainly summarized in to three aspects as follows : 1. firstly, the paper analyzes the system model of mimo, derive the formulas of channel capacity for the slow flat rayleigh fading channel, analyzes two improtant facts affected the system capacity, and then via the computer simulation we compare the channel capacity between the tranditonal wireless system and mimo system
本文主要做了以下幾個方面的工作: 1 .分析了mimo系統的通道模型，理論推導了慢衰落平坦瑞利通道下mimo系統的通道容量公式，簡要分析了影響系統容量的兩個重要因素並且通過計算機模擬比較了傳統無線系統與mimo系統之間的通道容量。 -
According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system
針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。 -
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，並對傳輸能量載波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，並通過計算機模擬和試驗對天線的近場波瓣圖進行了研究;通過分析寬帶匹配技術中的實頻法理論，設計了信號載波天線的寬帶匹配網路。 -
The flow equations are solved using finite difference technique. using body - fitted curvilinear coordinate system treated the boundary conditions. by iteratively solving the flow governing equation and the blade equation, the design of axial flow pump impeller in the quasi - three - dimensional rotational flow can be performed according to the angular momentum distribution, the blade which was designed in the lifting method, flow channel and the blade thickness given
其次在流動無粘性、不可壓及考慮葉片厚度的條件下，依據葉輪內的流動特性，推導了葉輪內三維流動周向平均流動控制方程以及葉片方程；在貼體坐標系中，採用有限差分法求解流動方程和葉片方程；在採用升力法設計出的葉片作為初始葉片、給定葉片速度矩分佈、葉片厚度分佈和葉輪軸面流道幾何形狀條件下，迭代求解流動控制方程及葉片方程，實現了軸流泵葉輪的準三維方法設計。 -
The ministry of communications has been proposed a " three main and one support " ( the main framework of highway, the main channel of water transport, the main hub of harbor station, and the supporting system of modern traffic ) long - term plan of construction of communications, then carrying out nationwide distribution plan of national arterial highway system and highway main hub system
交通部提出了「三主一支持」的交通建設長遠規劃，並進行了全國國道主幹線系統和公路主樞紐系統的布局規劃。目前，各省交通廳在國家級公路主樞紐系統的總體框架下，分別進行了各省的二級公路樞紐系統的規劃。 -
First of all, the characteristics of different adaptive algorithms and equalizers are theoretically researched. then digital microwave communication system model is build by simulink. based on this model, the convergent behavior and bit error rate performance of three equalizers ( nlms, kalman and rls ) are compared in multi - path fading channel
為了達到這個目的，首先需要從理論上對各種自適應均衡演算法以及自適應均衡器的特性進行深入研究;然後利用simulink建立接近實際環境的數字微波通信系統，在多徑衰減通道環境下比較了三種基帶均衡器（ nlms ， kalman和rls ）的收斂特性以及系統誤碼特性，並比較了nlms基帶均衡器和通帶均衡器的性能。 -
Paper regards the vegetables current situation as background, analyze our country and foreign vegetables marketing disparity of channel, combine the survey of existing vegetables marketing channels in wuhan, direct three main vegetables marketing channels : wholesale market, farm market, supermarket. finding the existing problem and the relation and conflict each other. have put forward the corresponding improvement measure : wholesale market as the tap of the vegetables marketing channel, in the face of sell smooth, fund shortage, facility simple and crude, communication way outmoded market that exist at present, must adopt with governed by law field, increase input, and scientific appraisal make their functions perfect further ; farm market as the vegetables marketing channel system of produce of foundation, should fully realize meaning in which the market have, dispel the restriction factor of market development, heighten the level, which manage and improve ; supermarket as the new member, should see clearly the existing problem in the hardware and software terms, utilize government microscopically policy support, strengthen self - building, make the new developing achievement state of competence develop better
論文共五章：第一章是論文研究的目的和意義以及營銷渠道的主要理論和國內外的研究動態；第二章是國內外蔬菜營銷渠道分析及比較，以我國蔬菜產銷現狀為背景，分析了我國與國外蔬菜營銷渠道的差距；第三章是對武漢市蔬菜營銷渠道的現狀分析，主要是針對蔬菜批發市場、農貿市場、超市這三個主要渠道成員存在的問題及其相互之間的關系與沖突，提出了相應的改進措施；作為蔬菜營銷渠道龍頭的批發市場，面對當前存在的市場萎縮、銷售不暢、資金短缺、設施簡陋、方式陳舊等問題，必須採取以法治場、加大投入、科學論證的方法使其功能進一步完善；作為蔬菜營銷渠道體系基礎的農貿市場，應充分認識市場存在的意義，消除市場發展的制約因素，提高管理和革新的水平；作為蔬菜營銷渠道新成員的超市，要認清經營中硬體和軟體兩方面存在的問題，利用政府宏觀政策支持，加強自身建設，使這一代表先進生產力水平的新興的業態更好地發展。 -
The chapter one of the thesis introduces the development status of the present digital program exchange system and the main task of devising a new console ; chapter two gives the relevant theories about channel encoding ; chapter three simply introduces digital program exchange system named nd120 ; chapter four presents how to find out relevant data ; chapter five and six describe in detail the hardware structure and software structure of the new console respectively ; chapter seven demonstrates in detail the new interface of this console
論文第一章介紹了數字程式控制調度交換系統的發展現狀和設計新型調度平臺需做的主要任務;第二章詳細介紹了調度平臺的總體設計及相關的通道編碼理論;第三章簡要介紹了nd120數字程式控制調度交換系統;第四章描述了調度指令的提取過程;第五章和第六章分別介紹了新型調度平臺的硬體結構和軟體結構;第七章則詳細描述了調度平臺介面的設計過程，這也是本文的主要創新點。 -
Combining with the practical project, the development of an instrument for multi - channel harmonic detection and analysis were described in the third chapter, including the system structure, hardware and software of the device. then the technology of multi - channel data gathering was discussed, and some key techniques have been presented including high precision 、 high speed sampling of the voltage and current, fast flourier transform ( fft ), data compression and storage techniques, planar graphic fitting, three dimensional graphic projection, multithreading and the computer graphics techniques
第三章結合多通道諧波監測及故障錄波一體化裝置的研製這一課題，介紹了裝置的體系結構和硬體、軟體構成，詳細介紹了在裝置研究過程中所提出的關鍵技術，主要包括電流電壓信號高精度、高速采樣技術，快速傅立葉變換fft 、數據壓縮存儲技術，多線程技術，二維圖形擬合、三維圖形投影技術及海量存儲技術，計算機圖形技術等。 -
Afterwards we theoretically analyze and conclude the model of the adaptive modulation system. we find out three kinds of channel model appropriated for actual cannels and draw out pulse response matrix equations
然後，從理論上分析和推導了自適應調制系統的模型，給出了適合實際通道的三種通道模型結構並推導了脈沖響應矩陣方程。 -
Then, based on the latest high - resolution, three - dimension crystal structure of kcsa potassium channel, a three - state hopping model is established to study permeation of an open - state potassium channel. breaking through other theories, we innovatively choose the master equation to characterize the dynamics of the system and educe the results according with experiments and the study of the others
其次基於最新的kcsa鉀離子通道高解析度的三維晶體結構，建立了一個三態跳躍模型來研究kcsa鉀離子通道的通透性，並且首次應用主方程方法描述它的動力學特徵，取得了與實驗和他人的研究相吻合的結果。 -
We also select the microchip pic16f877 made by microchip co. ltd as a control chip to realize micro - computer control. this system use three separate channel to find out the " across the zero point " of each back - emf. the program use digital filter to wipe off the pwm interferences and the commutating interferences
系統中採用三個獨立通道分別檢測無刷電機三相繞組的反電勢的各自過零點，同時在軟體中採用數字濾波以消除其它噪聲干擾，使檢測電路檢測到的反電勢過零點更加準確可靠，實現了對五位置傳感器直流無刷電機的數字控制。 -
Secondly, the noise of the system is analyzed. to improving the signal - to - noise of the system, design the phase sensitive demodulation system which contains three parts : signal channel, reference channel and correlation demodulator
其次，分析了系統各部分的噪聲，以提高系統信噪比為原則，設計了由信號通道、參考通道、相關解調器三部分組成的相敏檢波系統。 -
Included three positions system, the helicopter airscrew electro - hydraulic servo loading system has coupling nexus of three positions and three loadings. trough analyzing nexus of the displacement and the force, this paper designs the three channels electro - hydraulic servo loading system basing on the analysis of single channel electro - hydraulic servo loading system. surplus torque, which is produced through position disturbance, is a chief problem facing aerodynamic loading system
直升機旋翼的操控通過三個助力器完成，模擬負載時把旋翼所受空氣動力折算到了三個助力器上，由於三個助力器是鉸點在一個模擬盤上，所以三通道加載系統與三個助力器位置系統有一定的耦合關系。 -
Basing on the above analysis and research and combining the practice of the hunan telecom corporation, this paper analyzes the ways to build a whole - range and multi - type telecom marketing - channel system in detail from three aspects : building the self - marketing channels system, the commission - marketing channels system and the combined - marketing channels system, including the telecom traditional business lobby, the telecom supermarket, the group and key customers sales service, the sales and maintenance unity, the rural branch office agency, franchise marketing, comprehensive customer service platform, the telecom transcribes strategic alliance, etc. meanwhile, in order to improve the sales ability and service level of the marketing channels, this paper holds that the telecom enterprises should strengthen the marketing staff construction, build a sound inspiration system and enhance the scientific management of the marketing channels, thus providing a strong support and guarantee for the marketing - channel construction and improving the loyalty of telecom enterprises " marketing channels
在上述分析和研究的基礎上，結合湖南省電信公司的實踐，從建立自營渠道體系、代營渠道體系、聯營渠道體系三個大的方面，詳盡地分析了如何建立全覆蓋的、立體式的電信營銷渠道體系。包括大客戶營銷服務、營維合一、農村支局代辦、綜合客戶服務平臺、特許經營、虛擬經營、窗口營銷等。同時，就提高渠道的銷售能力和服務水平，提出應加強營銷隊伍建設，建立良好的激勵機制，加強對渠道的科學管理，從而為營銷渠道的建設提供強有力的支持和保障，提高電信企業營銷渠道的忠誠度。
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