接收單元 的英文怎麼說

中文拼音 [jiēshōudānyuán]
接收單元 英文
receive cell
  • : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
  • : Ⅰ動詞1 (把攤開的或分散的事物聚集、合攏) put away; take in 2 (收取) collect 3 (收割) harvest...
  • 接收 : 1 (收受) receive; reception; accept; [電學] receipt; receiving 2 (接管) take over; expropriat...
  1. The catv charge and control system is mainly composed of the management software 、 the header data modulator and the terminal charge and control equipment. i am responsible for design catv charge and control equipment and test system. the header data modulator is used to encrypt the control single from computer and transmit it into the appointed frequency. the terminal charge and control equipment demodulate out the control single from data modulator and transmit it to the addressing control part, where the demodulated fsk single is received and well - handled by the cpu unit, decode the unauthorized signals and deliver it to the shut point, shut point make use of capability of wideband anf characteristic of shut, then the signal of illegal customer will be turn off and vice versa, the legal customer can receive the normal signal

    前端數據調制器完成對計算機輸出的控制信號加密處理,將指令碼載送到一指定頻率點。終端費控制器解調出控制信號,送至片機尋址控制部分。片機尋址控制部分經fsk數據解調器送來的信號,送入cpu后,解出不授權信號,然後向關斷部分送入信號,關斷部分利用pin二極體的寬帶工作能力以及關斷特性,實現對非授權用戶或者非法用戶的信號關斷,使之不能正常視,繳費用戶進行開通正常視,達到控制用戶通道的管理。
  2. This paper introduces a project based on code division multiplexed that is used to realize four el channels ' s wireless transportation. after briefly introducing the whole structure of the device of transportation, this paper introduces mainly implemention of the hardware. futhermore, the discussion concerning the selection of principles in code acquisition and the threshold setting of code acquisition on continous pilot in the receiving unit is given. at the same time, the methods about how to design the parameters of dll is introduced in this paper. in addtion, how to solve the actual problems in debugging the hardware is also provided

    本文提出了一種基於碼分復用技術的四路e1數據擴頻無線傳輸設備的實現方案。在介紹整個擴頻數傳設備實現框圖的基礎上,重點介紹了硬體平臺的實現;接收單元捕獲策略的研究及其捕獲門限的確定方法;以及接收單元dll環路參數設計方法;並給出了調試過程中遇到的實際問題及其解決措施。基於調試所遇到的問題,論文的最後提出了這套數傳設備的改進方案。
  3. The system uses the pc and the at89c52 as the control center of the system. the pc optimizes the control parameters as the calculation control unit. the at89c52 receives the various parameters by serial communication with the power measurement system and the fuel consume measurement system and the emission measurement system and the ecu and so on, then sends into pc by sharing the ram with the pc as the communication control unit

    該系統採用pc機和片機at89c52為上位機,以pc機作為計算控制,對發動機控制參數進行優化;片機作為通訊控制,與作為下位機的測功器加載系統、油耗測量系統、排放測量系統以及發動機電控ecu等子系統進行串列通訊各參數,並通過與pc機共享ram送入pc機。
  4. When the cur - cuit resets, the chip remains accepting state, works in burst mode, and adopts dpsk modulation mode. it proceeds quadrature - sampled intermediate frequency signal after the ad9057 has converted, then down - converses, despreads and demodulates. the demodulated baseband signal will be sended into scm to dispose through interrupt

    上電復位后,晶處于狀態,工作在突發模式下,採用dpsk調制方式,將ad9057轉換完的中頻信號進行復正交取樣後下變頻、解擴、解調,通過中斷將解調完的基帶信號送入片機處理;處于發送狀態時,可將數據擴頻、調制,經ad9768送出。
  5. Then, the demonstrability for the blue print of the rf receiver is represented in detail

    改制后的x波段lna裝配到sar機中,經過實測,機各項指標均達到系統要求。
  6. This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller

    本課題在對低壓電力線的傳輸特性和數字調制技術進行分析的基礎上,將通信理論中的直序列擴頻技術( dsss )用於解決低壓電力線通信的干擾問題,主要研究內容如下: ( 1 )用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析,分別對時域和頻域下採用dsss技術前後信號的頻譜進行分析,驗證dsss技術在本系統中的可行性; ( 2 )由dsss技術對濾波系統的要求,根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路; ( 3 )用調制解調晶sc1128和自行設計的濾波器加之輔助外圍電路,構造出低壓電力線載波通信系統,並採用atmel公司的片機設計了和發射電路的微控制器; ( 4 )分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗,並對結果進行分析,驗證了dsss技術對干擾信號的抑制作用。
  7. Then we introduce the character of the atmosphere channel, which we emphasized on the atmosphere scatter, absorption and scintillation ' s effect on the laser beam. in chapter, we explain why we used cassegrain telescope to collect the optical signal at first, then the lightsource, detector, front amplifier used in optical communication has been compared to that of fiber communication, the noise including shot noise, thermal noise and background light noise has been explained here for analysis the snr and ber in the next section

    在第三章介紹無線光入系統的光,採用多孔徑卡塞格倫式的發天線對消除減小大氣湍流影響有較大作用,針對大氣通道的特點無線光系統在光源、光探測器、前置放大電路上存在許多有別于光纖通信的技術,同時還闡述了光機包括背景噪聲的噪聲機制和靈敏度、誤碼率等指標,最後給出了一個整個傳送鏈路的功率預算。
  8. The asic chip embedded with bluetooth is usually employed as keyboard mouse equipment controller at present, so that is complicated and expensive to realize. noteworthily a new style of design is developed in the article : a 51 mcu is employed as keyboard mouse equipment controller while controlling bluetooth module as host, which give full play to 51 mcu and make the product at low cost, the design has sure practicability and innovative ; the software of pc end is designed as operating in the backstage, which receives data from usb interface to simulate the function of the keyboard and mouse. the design is easy, the thought is ingenious

    由於目前常見的藍牙鍵盤鼠標設備控制器都是用嵌入藍牙核的asic晶實現,所以實現復雜而且價格昂貴,而文中設計獨辟蹊徑:用一片51片機作鍵盤和鼠標的微控制器,兼作控制藍牙模塊的主機,充分發揮了51片機的性能,實現了低成本設計,具有一定實用性和創新性; pc機端軟體則設計為運行在後臺的應用程序,usb介面數據並進行處理,以模擬鍵盤鼠標功能,這一設計簡易行,思路巧妙。
  9. Generral specification for tv receiving units of video tape recorders

    錄像機電視接收單元通用技術條件
  10. It includes : dynamic show of technics flow, real time data acquirement and show, history data save and print, fault alarm, etc. the plc control system mainly accomplishes the wastewater technics flow control, harmonizes the logical relationship among local intelligent control instruments and transmits the state of each local equipment to the industrial computer simultaneously, the plc control station receives the control commands from the industrial computer ; the local intelligent units take charge of the correlated parameters measure, disposal and control, and it will transmit the related parameters to the computer, etc. in this thesis, introduced municipal wastewater treatment technics, the integrated application program development of computer, the design method of plc control station, the communication between plc control system and computer, and the network of wastewater treatment with profibus - dp was also discussed

    上位計算機主要實現遠程監測和管理功能,具體包括:工藝流程動態顯示、實時數據獲得及顯示、歷史數據存儲與列印、故障報警等功能plc控制系統主要完成工藝流程式控制制以及協調現場各智能儀表之間的邏輯關系,將現場各設備的運行狀態通過通訊網路傳輸到上位計算機,並上位計算機的控制指令;現場各智能儀表負責各相關參數的監測和處理、控制,並將有關參數送往上位監控計算機進行處理、保存等。本文以莎車污水處理項目為例,介紹了城市污水處理工藝、上位監控計算機的綜合應用程序開發、城市污水處理自動控制系統plc控制站的設計和採用profibus系列中廣泛應用於現場設備的profibus - dp總線。
  11. The rf receiver consists of rf front end and baseband regulation module. the high - intermediate - frequency superheterodyne structure is adopted in the final scheme. the fine sensitivity of the receiver is achieved by two cascaded lna in the front of the system

    系統採用超外差式變頻結構設計,兩級低噪聲放大級聯保證了機靈敏度,兩級增益控制實現了所要求的機動態范圍,並且整機的線性度也得到了保證。
  12. Arranged signal activating lock circuit and time - base control circuit in the sound wave receiving circuit to take the initial signal of back wave as the valid one in the cycle, thus to improve the ratio of signal vs. noise and detective precision

    在超聲波電路中設有信號觸發鎖定電路和時基控制電路。實現以各探頭中最早到的回波信號為本檢測的有效信號,有效提高信噪比和檢測精度; 4
  13. To receive energy transmitted in a steered beam by any of the three scanning methods, the applied frequency, time, or phase relationships are maintained at each element, which has the effect of making the radar sensitive to energy from the direction of transmission

    仍然以每個通過三種掃描方法? ?頻率,時間,相位關系控制波束發射的能量,這使雷達對發射方向的能量敏感。
  14. This paper discusses three slot - coupled microstrip antennas with high dielectric constants based on gps ( global positioning system ) receiving antenna. they are separately with slots of oblique, t shape, and l shape

    本文以全球定位系統( globalpositioningsystem ,簡稱gps )機微帶天線為研究對象,探討了三種高介電常數縫隙加載正方形貼片的天線特性,分別是斜縫, t形縫和l形縫。
  15. The thing flows the trolley name carrying trolley ; the surface uses the electricity to galvanize, the contour artisticly, the service life is long ; attaches the security leather belt, the fixed link loading and unloading speed is quick, both is advantageous for the mechanized transporting, and is suitable for the short distance the manual shift, may realize the plan production, saves the manpower, reduces the cost ; with thing and so on turnover box flows the vessel coordination use, may realize the modular management, the setting at space is big, folds the collection not to occupy the space ; is suitable the thing flows the transporting in the enterprise working procedure ; also may or allocates and dispatches the center in the factory to install the cargo to transport to the store, a direct achievement commodity goods part

    物流臺車又稱載物臺車;表面採用電氣鍍鋅、外形美觀、使用壽命長;附安全皮帶、固定桿裝卸速度快,既便於機械化搬運,又宜於短距離的人力移動,可實現規劃生產,節省人力,降低成本;與周轉箱等物流容器配合使用,可實現化管理,置物空間大,折疊藏不佔空間;適用於企業工序間的物流搬運;也可在工廠或配送中心裝上貨物運到商店,直作為商品貨架的一部分。
  16. 6. adopt rechargeable battery, 40 hours working time. 7. receiveer units has no number limit within ir radiation power range

    9 .在紅外線發射的有效范圍內,接收單元數量的增加不受限制
  17. Train operation safety monitoring and control module can be divided into data acquisition cell, data receiving cell and data disposal / output cell

    行車安全信息監測控制模塊分為數據採集、數據接收單元、數據處理輸出
  18. The system designing of fvisar are discussed in detail in charpter three. especially, the quantitative analysis and simulation research of the velocity range, fringe constant selection and attenuation of fiber delay line are intruduced

    第三章對全光纖速度速度傳感器的系統設計做了詳盡的討論,包括系統光源的選擇、條紋常數分析、光纖延遲線的損耗對調制度的影響、光信號接收單元、數據處理
  19. The third chapter analyzes the process of translating the system performance to the system architecture based on the hierarchy design flow, and then, presents the method and the result of the system partition from different views such as : the oppositely absolute processing modules, convergent controllability, the simple and similar interfaces

    第三章,基於層次化的結構設計流程,對本通道從系統性能的定型到晶總體結構的實現進行分析,提出了系統劃分的方法及其結果,劃分后的系統結構具有各個模塊數據的處理相互比較獨立、便於集中控制以及各個模塊間介面簡且相似等特點。
  20. By the use of contacting unit in the ansys, this paper tried to carrying out a detailed analysis on the contact strength between the vane and the impeller of a steam turbine, and at the same time to probe into several problems of difficulties and essentialities related to convergence of iterative calculation and reliability of calculated result

    嘗試用ansys中的對汽輪機中葉片與葉輪的觸強度進行詳盡的分析,同時探討了與迭代計算斂性及計算結果可靠性有關的幾個難點和要點問題。
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