編碼調制器 的英文怎麼說

中文拼音 [biāndiàozhì]
編碼調制器 英文
encoder modulator
  • : Ⅰ動詞1 (編織) weave; plait; braid 2 (組織; 排列) make a list; arrange in a list; organize; gr...
  • : Ⅰ名詞(表示數目的符號或用具) a sign or object indicating number; code Ⅱ量詞1 (指一件事或一類的...
  • 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 編碼 : encoded; code; coded; encrypt; codogram; coding編碼表 encode table; 編碼程序 builder; 編碼尺 code...
  1. Giving the goal and conceptual design, this paper pays attention to expatiate how to practically use the techniques of image - processing, communication and recognition in remote image monitoring system, and discusses how to realize the key techiques such as terminal connection and frame design, platform decoding control and alarm, image communication and track, etc. in order to overcome most existing image monitoring systems " shortages - those systems are at low intelligent level, need overfull manual work and ca n ' t work all day, this paper has adopted the advanced image code / decode technology and digital image transmission technology, and has applied the intelligent image processing and recognition technique to the display, adjust and track of images

    本論文在設計圖像監控系統的建設目標和總體方案的同時,重點闡述了圖像處理、通信與識別技術在遠程圖像監控系統中的應用實現,給出了圖像監控系統中的終端接入和框架設計、雲臺解與報警、圖像通信和圖像跟蹤等關鍵技術的實現。針對現有的圖像監控系統大部分採用人工為主,機為輔,智能化程度低,不能全天候工作的現狀,本文採用先進的數字圖像壓縮技術、數字圖像傳輸技術,將智能圖像處理與識別技術應用於圖像的顯示、調整、跟蹤,克服了一般監控系統要求監控人員過多地干預、智能化程度低的缺陷,並總結了其特點和優勢。
  2. In the proposed method, the controller takes the buffer length as congestion indication, takes sources quality and bandwidth utility as object function so as to learn on line. as the controller outputs, the coding rate for input traffic sources and the corresponding user percentage are used to adjust the cells " arrival rate to the multiplexer buffer. compared with the previous method where cells " arrival rate is tuned only by the encoding rate and the encoding rates for all input traffic sources are regulated in a body, the proposed method guarantee that the quality of cells are optimal while cell loss rate is minimized, which means quality of service is guaranteed

    在該方法中,擁塞控以緩沖區大小信元作為擁塞指示,以信源質量和帶寬利用率作為目標函數進行在線學習,控輸出包括信源率及其對應的用戶數在全部用戶中所佔的百分比,即根據信源率及對應的用戶百分數調整信源輸入流,從而克服了以往擁塞控方法中僅僅調率帶來的對所有信源進行整體調整的缺陷,使控系統在信元損失率最小情況下確保信源輸入流質量最高,從而有效地利用了網路帶寬。
  3. Adopting the method of top - down, the virtual memory is divided into memory mange related unit ( segment unit and page unit ) and protection mode related unit ( protection test unit, debug test unit and exception detect unit ). data buses and control bused are designed separately for all of the units. vhdl codes are written and simulated

    Amex86的虛擬存儲採用自頂向下的設計方法,把虛擬存儲劃分為地址管理相關單元(又包括分段單元和分頁單元) 、保護模式相關單元(又包括保護測試單元、調試異常單元利異常檢測單元等) ,分別確立其數據通路和控通路,完成了vhdl的和模擬工作,通過測試程序模擬驗證了其功能的正確性並測定了基本性能。
  4. The main hardware - platform is based on the altra ’ s statix series fpga chip ep1s80f1020c5. the realization of the energy dispersal, ldpc - coding, symbol interleaving, constellation mapping, synchro - pn insertion, 3780 - point ifft ofdm, interplation fir, etc have been implemented based on fpga

    系統中能量擴散、 ldpc、符號交織、星座映射、同步pn頭插入、 3780點ifftofdm調以及信號成形4倍插值滾降濾波等都是基於fpga硬體設計實現的。
  5. At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder

    硬體方面,採用脈沖分配和單極性電壓驅動技術實現了步進電機的控和驅動功能;採用脈寬調技術和cmos互補h橋驅動技術實現了直流伺服電機的控和驅動功能;採用d / a轉換實現了交流變頻的控功能;採用數字化相位檢測技術實現了感應移相位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電位置反饋信號的檢測功能。
  6. Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc

    本文根據大量的國內外文獻,對研配液壓機的工作原理及設計結構進行了簡介;對位置同步的控方法進行了比較分析,提出比例閥和伺服閥復合控的閉環結構來對非對稱雙缸進行同步控電液比例同步控方案;在此基礎上著重對比例閥控非對稱缸建模,最後得到位置控系統的總體數學模型,從理論上對同步系統動態特性進行了分析,並用pid控進行參數整定,減小雙缸同步誤差、提高系統的動態響應性能;其中控性能的分析藉助于matlab軟體中的simulink工具箱,由已建立的數學模型形成模擬模型,得到可視化的模擬結果,從而利於交互方式下調整參數,了解不同的參數對系統的影響,優化同步系統的動態性能;在深入了解系統的動作特性后,對plc控研配液壓機的原理進行了探討,針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃,出研配液壓機動作控製程序,在程中著重研究位移傳感與plc的通訊、雙缸同步運行的pid控在plc上的實現及bcd撥盤輸入程序的植入問題。
  7. In the whole system, the digital tv ( dtv ) front - end is an important part in the tv digitalization, and many key digital equipments and technology are introduced in it, like digital satellite receivers 、 mpeg - 2 digital encoders 、 ts multiplexers 、 digital modulators

    在整個數字電視網路系統中,數字電視前端是電視數字化的重要環節之一,它包括了許多關鍵性的數字設備和技術,例如數字衛星接收機、 mpeg - 2數字、傳輸流復用、數字調等。
  8. The main content is design of digital man - machine interface system, a speed regulating system of good stabilization and dynamic performance ; software for appraising the performance of wire feeder. the first, a digital man - machine interface system using at89s8252 singlechip is designed. the system uses sd7218a keyboard / display chip with serial bus interface

    首先,人機交互系統選用at89s8252為核心控晶元,選用具有串列總線介面的sd7218a鍵盤/顯示晶元完成了數字化人機交互系統軟、硬體設計;採用rs - 485總線實現主控系統和人機交互系統的數據交互;系統採用數字和鍵盤配合的方式實現焊接參數的選擇和設定,同時還具有最優參數存儲、調用等功能。
  9. Guilin new mingke communication equipment company qpsk modulator, mpeg - 2 encoder and multiplexer. digital microwave equipment

    桂林新明科通信設備有限公司- qpsk調mpeg - 2復用數字微波設備
  10. Our object is an intermediate frequency modem of a software defined radio transmitter - receiver of multi - service, multi - modulationmode and multi - processdatarate. first, related software defined radio theory is introduced ; later, channels of transmitter - receiver are designed with consideration of data format, modulation, fec, interwaving. and scrambling ; emphasis is placed on theory and implementation of an audio compression algorithm cvsd ( continuous variable slope delta modulation ) and a fec technique convolutional coding - decoding

    本文首先介紹了相關的軟體無線電理論;然後完成了包括數據格式,調方式,糾錯方式,交織和擾等部分的中頻數據機通道設計;接著著重介紹了系統中使用的音頻壓縮演算法cvsd (連續可變斜率增量調)的原理和實現,以及作為前向糾錯的卷積理論和的高效實現。
  11. This thesis focuses on the ingress process module of ctu, which translates c - 5 dcp format to rainier 4gs3. the specification analysis, architecture and logic design, functional simulation testbench design, synthesis report and testing result are discussed in this thesis. the research work mainly includes : the specification analysis and design requirements of ctu logic ; the architecture and logical design of ingress process module, which includes receive control fsm, send control fsm and cell position adjustment logic ; the performance improvement of ingress process module to receive and transmit data cell at the full line speed

    本論文的主要研究工作包括:通信協議轉換邏輯的功能分析和設計需求;通信協議轉換邏輯上行方向的系統分析及體系結構設計,包括上行接收狀態機、發送狀態機、信元內位元組位置調整機等的設計;通信協議轉換邏輯上行方向的線速設計,主要是上行接收的線速設計,要使用流水設計技術;提出了高速實現roundrobin調度策略的實現方法,並設計實現了桶式移位和優先級電路;應用bfm模擬模型設計了上行處理各模塊的模擬testbench ,完成了各級模塊的模塊模擬和系統集成模擬。
  12. Traditional laser iff has poor security because of low frequency of laser beam coded pulse. this can be greatly improved when the pulses are modulated by continuous wave laser, but the power of this laser beam output is so low that it ’ s difficult to be detected and received by laser warning subsystem

    傳統的激光敵我識別激光脈沖頻率低,通信保密性差,使用連續波激光調后激光脈沖頻率高,保密性好,但輸出激光功率較低,難以達到激光告警分機探測接收的要求。
  13. 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,分別是旋轉法、液位壓力傳感法和可變電阻法;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提供了時間基準,方便了儀的使用;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。
  14. Continuous single tune jamming is an effective jamming to linear frequency - modulated radar. however it can not suppress signal output after being full of the sidelobe suppress filter of the jammed bi - phase coded radar, no matter how great the power of it may be

    單頻正弦波干擾對線性調頻雷達是一種有效干擾,但對於二相雷達無論具有多大的功率在充滿二相雷達接收機的旁瓣抑濾波后也不能壓信號主瓣,因此是一種無效干擾。
  15. Digital tv qpsk modulation in the treatment of the data flow of energy to deal with the proliferation of randomization, rs codeconvolution interleave contraction coding, modulation before forming the base - band processing to ensure that the data transmission performance

    Qpsk數字電視調在對數據流的處理上採用能量擴散的隨機化處理rs卷積交織收縮卷積調前的基帶成形處理等,保證了數據的傳輸性能。
  16. Specification for audio recording - pcm encoder decoder system

    音頻記錄規范.脈沖調系統
  17. In detail, they are bit - interleaved coded modulation ( with iterative decoding ), low - density parity - check codes and stf technology. by the performance analysis of bicm ( - id ), which can make code and modulation optimal separately, and achieve maximum possible coding diversity as well as modulation gain, guidelines for its design and an easy algorithm for siso are proposed. design of capacity - approaching of ldpc codes and efficient encoding of them as well as several kinds of its decoding algorithms are investigated

    具體的講,就是討論了基於比特交織的調技術,並給出了映射方式的設計準則以及核心模塊siso的一種簡單的f - map演算法;研究了最小漢明距隨長線性增加的ldpc的幾個方面的問題,包括接近香農限子集的度分佈對的設計、有效的實現和各種譯演算法的優缺點,並對基於ldpc的bicm應用於ofdm傳輸系統中的性能進行了模擬。
  18. Aiming at realizing an all - digital programmable qpsk modulator with data rates covering 2k ~ 2. 048mbps, this thesis puts research on modulator architecture, base - band signal shaping, programmable interpolation algorithm, and digital signal processing algorithms with fpga. we have completed the program design and the timing simulation, the pcb board has been fabricated. the similation result is given to verify the design

    本文以實現2k ~ 2 . 048mbps傳輸速率的變速率全數字qpsk調為目標,對全數字調結構、基帶成形濾波、高倍可變內插以及基於fpga的信號處理演算法等問題進行了研究,寫了調模塊的vhdl程序,完成了軟體環境下的驗證調試,並設計實現了板級調試系統。
  19. In this paper, a wireless data modulation system based on dsp / pci interface board are studied and implemented. based on the characteristic of wireless communication system, the paper chooses proper coding and modulation mode, completed the design and debug of dsp target board based on the pci slot of computer and realized data wireless transfer

    本論文根據遠程無線數據通信的特點,選擇了合適的交織及調方式,在研製了單片機控無線數據調的基礎上,獨立完成了基於普通pc機的pci插槽的dsp目標板的設計與調試,最終實現了對數據的無線傳輸。
  20. A special address codeword produced by optical encoder at the side of transmission and data information are modulated on optical carrier and transferred. the data from different users are transmitted through optical fiber. the information belonging to local user is demodulated by the special optical decoder while optical signals carrying other users ’ information are filtered as noise

    在發送端特定的光產生某一特定的地址,將數據信息與此地址調在光載波之上發送出去,不同用戶的數據都在光纖媒質中傳輸,接收端用特定的光解解出屬于自己的信息,而攜帶其他用戶信息的光信號,就像噪聲一樣被過濾掉。
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