線列接收機 的英文怎麼說

中文拼音 [xiànlièjiēshōujī]
線列接收機 英文
linear array receiver
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 列 : Ⅰ動1 （排列） arrange; form a line; line up 2 （安排到某類事物之中） list; enter in a list Ⅱ名詞1...
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 收 : 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...
  • 機 : machineengine
  • 接收機 : receiver; radio set; receiving set; receiving machine接收機保護設備 reprod; 接收機保護裝置 receiver protector
  • 接收 : 1 （收受） receive; reception; accept; [電學] receipt; receiving 2 （接管） take over; expropriat...
  1. Secondly an infrasonic array was constructed. the array is made up of three detectors with about 1 kilometer distance between each other. the three detectors are connected with telephone line

    其次構建次聲陣列，用三個相距約一公里的次聲探頭構成次聲三元接收陣，它們之間用電話線傳輸數據，合理地布置各陣元的位置和方位，三路信號通過採集卡上的不同通道號輸入計算機。
  2. 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，將通信理論中的直接序列擴頻技術（ 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技術前後接收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 ）用調制解調晶元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公司的單片機設計了接收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。
  3. 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，並接收上位計算機的控制指令;現場各智能儀表單元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。
  4. In the case that the number of receivers has to be less than that of array elements in an array - antenna, it can receive and process the impinged signals on all the array - elements

    在接收機數量少於星載陣列天線陣元數的條件下，基於較少數量的接收機實現全部陣元輸出信號的接收處理。
  5. By dividing the large array antenna into a set of virtual subarray antennas, the receivers are connected to each subarray via a program - controlled switch based on time - division - multiplexing, and process the output snapshots on the subarray - antenna

    陣列天線劃分為虛擬子陣列，基於時分復用工作方式，通過程式控制交換矩陣與接收機連接，接收機對不同虛擬子陣列天線輸出信號分時進行接收處理。
  6. The aeh50 is compatible with the full range of surround, speaker and eq modes available in today ' s av receivers

    該系統採用標準的音頻接線的拓撲結構，與衛星直接連到影音接收機的議長碼頭及重低音系統連接到接收器的分列或音效出插孔。
  7. Hangdian technology is one of the size able enteiprises in china which specianzes in the m anufacture and development of switch and socket, irs products mainly include touch switch, socket for power supply, 2. 5, 3. 5and 6. 35jack, rca concentric socket, connection ports, etc and covers tens of series, they are widely used in mp3, multi - media, acoustic system, tv, tape recorder, power amplifier, vcd players, and other precision electronic equipments

    航電科技是國內專業生產和研發開關，插座的大型企業之一.公司主要生產經銷開關，電源插座， 2 . 5 ， 0 . 5 ， 6 . 35插口， rca型同芯插座，接線端子等幾十種系列產品.產品廣泛用於mp3 ，多媒音響，電視機，收錄機，音箱，功放以及影碟機等家用電器和其它精密電子儀器設備用
  8. The computer program is designed by visual c + +. the mscomm controls are added to receive the data. the rotor speed, the axis track and limited speed can be measured, and the curves can be displayed on the computer

    我們用at89c52作為微處理器，採集信號並進行相應的處理，通過一條串列總線傳給上位機，上位機的軟體由visualc + +編制，採用多個mscomm控制項對各個實驗項目的數據進行接收，可在線完成轉速、軸心軌跡及臨界轉速的測量，並繪制曲線。
  9. If no measures are taken, the serious basic - line - shift as well as the loss of chip clock and the difficulty of the data recovery will be introduced in the optical receiver, which causes the communication to go along abnormally

    如果不採取任何措施，會給光接收機帶來嚴重的基線漂移，同時會引起碼時鐘丟失和碼元恢復困難等一系列問題，導致通信無法正常進行。
  10. Possessing a great deal of advanced technology, professional staff and administration staff, ningbo yuchi company has been dedicated to produce excellent catv network fittings for 15 years, and it could produce more than one thousand kinds of products mainly including outdoor bi - directional amplifier shell, optical receiver shell, optical work station and indoor integrated way splitter shell, terminal box shell series, and die casting, metal, plastic, plug stamping series of products

    宇馳電子，聚集了大量的先進技術、專業員工及管理人才，致力於生產精益求精的有線電視網路配件，通過十五年的奮斗歷程，產品包括野外型雙向放大器外殼、光接收機外殼、光工作站和室內型一體化分支分配器外殼、終端盒外殼系列等，以及壓鑄、五金、塑料、接插沖件等系列產品，多達1000多種。
  11. The company is mainly engaged in scientific research, development, manufacture, operation and international trade of cable tv broadband cisn product, network software, network system engineering, series product of digital tv front end, digital satellite receiver, digital cable tv set - top box, optical transmission equipment, digital tuner, optical electronic devices, etc

    公司主要從事有線電視寬帶綜合信息網路產品、網路軟體、網路系統工程、數字電視前端系列產品、數字衛星接收機、數字有線電視機頂盒、光傳輸設備、數字調諧器、光傳輸器件的科研開發、生產製造、經營銷售和國際貿易業務
  12. Thirdly, the dissertation presents an anti - interference technology of adaptive array for non - spread spectrum signal using a pilot signal, by which a non - spread spectrum system can use the decoupled 2 - d rake receiver and the original non - spread spectrum system need not be modified

    第三，提出了採用擴頻信號作為導引信號的非擴頻信號自適應陣列天線抗干擾方法。該方法使得非擴頻系統可以採用解耦合空時2 - drake接收機，而且不改變原非擴頻系統。
  13. It can interface with single chip computer expediently and transmit data by rule and line. oscillator in the infrared transmitting circuit that consisted of ne555, and can used to modulates the output from serial port of single chip computer. the integrated infrared receiver can demodulates, filter and transmit the signal to single chip computer

    紅外線西北口二j匕大學悶成d匕學位咭侖文發送電路的振蕩器由ne555構成，它可對串列口輸出信號進行調制，一體化的紅外接收頭對紅外信號進行解調、濾波和整形，再送單片機處理。
  14. A series of new technologies such as software radio, vxibus, dsp, virtual instrument, measurement and instrument, interface technology apply to the broadband monitoring receiver related to this paper. its research not only satisfies the needs of our radio monitoring branch, national defence branch but also breaks the technology blockage

    本文涉及的寬帶監測接收機將軟體無線電技術、 vxi總線技術、 dsp技術、智能儀器技術、測控技術、介面技術等一系列正在蓬勃發展的新技術緊密結合起來，它的研究不僅可以滿足我國無線電監測、國防、安全等部門的實際需要，還可以打破少數發達國家對我國的技術封鎖，為我國的無線電監測、國防、安全等部門的設備建設做出貢獻。
  15. The system is perfectly realized through the four counts below : 1 ^ using configuration soft compile the person - computer interface for information management of grain depot content and the application program for data collection. this program will finish real time data collection and conversion and will dynamic come after each bam flash - locks run state and will supervise and record the run instance ^ startup or stop time 2 ^ using visual foxpro workout report table for grain depot content information management system witch carry out database management function. 3 ^ using visual c + + workout communication program between force control configurable soft and aptitude instruments

    本課題從下面四個方面實現系統要求： 1利用組態軟體forcecontrol2 . 0編制了倉容信息管理系統的人機界面和數據採集應用程序，完成設備狀態的實時採集和轉換，動態跟蹤各糧倉閘門的運行狀態，監視並記錄斗提機的運行情況、啟動和停止的時間； 2利用visualfoxpro編制了倉容信息管理系統報表記錄應用程序，實現數據庫的管理功能； 3利用visualc + +編制forcecontrol組態軟體與智能儀表以（在線流量計）為例的通訊程序，實現下列兩項功能： （ 1 ）接收來自在線流量計的數據。
  16. Later on, after elaborating the disadvantages of the old methods in detecting and recognizing moving objects, a series of corresponding approaches are proposed, such as grid scan, local tracking bug and dynamic window in object tracing to reduce the huge data needed to be processed, maximum and minimum for selecting a proper segmentation threshold and improved conversion from rgb model to hsv and so on to decrease the influence of inhomogeneous lighting and the color noise, a bilinear interpolation in each quadrant to eliminate the bad effect on the recognition precise because of the distortions of the camera. after that, much emphasis is given on application study in pattern recognition with a feed - forward neural network. both the basic bp algorithm and improved bp algorithm in the study process are described in detail, and the later is used to quicken convergence speed and improve validity of the network

    然後，分析和闡明了傳統的運動目標檢測方法的不足，並在此基礎上結合研究中的實際實驗環境，提出了一系列解決方法，包括針對降低龐大數據量而提出的網格掃描、局部「跟蟲」追蹤和動態窗口掃描等目標檢測方法，針對實驗環境中光照不均和顏色干擾提出基於人機交互的最大最小值閾值選取方法和引入改進的rgb模型到hsv模型的轉換方法，為消除圖像畸變對識別精度的惡劣影響而採用的通過控制點進行雙線性插值進行畸變校正的方法；緊接著，概述了神經網路的發展歷史和幾種常用神經網路模型的特點，重點研究了前饋型神經網路在模式識別中的應用問題，詳細闡述了基本的bp演算法和學習過程中bp演算法的改進，從而使網路收斂速度更快，解決問題更有效，並在此基礎上，設計了一個基於bp神經網路的運動目標識別系統，給出了實驗結果。
  17. By way of analysis about the typical gps receiver tracking loops, the mathematical models of code multipath error and carrier phase multipath error are proposed in the dissertation ; by way of analysis about geometrical model of multipah signal, the mathematical model of differential path delay is proposed in the dissertation ; based on the above analysis, a improved carrier phase multipath mitigation algorithm using closely - spaced multiple antennas array is proposed, the result of computer simulation proves that the algorithm is feasible. the attitude parameters are often estimated using direct computation method. the relationship between the accuracy of attitude parameters and baseline length as well

    本文從經典的gps接收機跟蹤環出發，分析了多徑效應對偽距觀測量、載波相位觀測量和snr的影響，提出了碼相位多徑誤差和載波相位多徑誤差的數學模型；通過對多徑效應的幾何模型分析，提出了多徑信號相對路徑延遲的數學模型；在此基礎之上，提出了一種改進的基於窄間距多天線陣列的載波相位多徑誤差抑制演算法，通過計算機模擬證明了該演算法的有效性。
  18. To despread and demodulate the signal correctly in the spread spectrum system, the pn code phase of the receiver must be synchronized with that of the input signal precisely. multipath channel exists in the wireless environment for radio signal reflection by obstacles between transmitters and receivers

    在擴頻通信系統中，為正確解擴和解調接收到的擴頻信號，接收機的pn序列相位和接收信號的pn序列相位必須完全同步；同時移動無線環境中的傳輸信號總是被收發信機之間的許多障礙物所反射，從而產生多徑通道。
  19. This thesis adopts 8psk / qpsk modulation mode that ' s widely applied in short - wave communication to research all - digital blind receiver in burst mode based on software radio technology. then related solutions are given for the doppler frequency shift problem and multiple fading problem in short - wave channels. the arrangement of the thesis is below : chapter 1 gives brief description for the new technology and new systems of short - wave communication and for the development and appliance of software radio

    本文採用短波通信中應用廣泛的8psk qpsk調制方式，研究基於軟體無線電技術的突發模式全數字盲接收機，並對多音并行及慢速傳輸中存在的多譜勒大頻偏問題、單音串列、高速數傳時在短波通信鏈路中發生的干涉衰落問題做了研究，提出了相應的解決方案。
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