塊同步信號 的英文怎麼說
中文拼音 [kuāitóngbùxìnháo]
塊同步信號
英文
bss block synchronizing signal-
The system comprises three modules : the first is the ccd driver module, which controlled with cpld. programming the cpld to produce ccd driving pulses and synchronized communication signals. after preprocessing, the output video signals are transmitted into high resolution adc module, in which they are converted into digital signals, and then processed in arm processing module
整個系統分為三個模塊: ccd驅動模塊的核心是一片復雜可編程邏輯器件( cpld ) ,對其編程產生ccd的驅動脈沖及同步控制信號;視頻輸出信號經預處理后,由高精度ad轉換模塊進行采樣,將ccd輸出的模擬信號轉換成數字量;最後,將數據送入arm處理系統中進行后續處理。In allusion to the working characteristics and technical difficulties of 155mb / s burst mode receiver, we have put forward to the quick synchronization of inpouring phase locked loops ( pll ). for receiving burst signal, we introduce the scheme of dc coupling and dynamic threshold decision
針對155mb s突發式收發模塊的工作特點和技術難點,我們提出了注入鎖相環法的快速同步技術;對于突發式信號的接收,我們採用了直流耦合和動態閾值判決的技術方案。The subject has mainly finished designing and debugging software and hardware of a / d decode module, fpga video processing module, video data frame deposit module, base clock produce module, d / a encode module, i2c bus control module, etc. a / d decode module gathers analog tv signals and realize video decode ; fpga video processing module deals with the data after decoding and produces systematic logic control signal ; video data frame deposit module offers the buffering area to a large n umber of high - speed video data ; base clock produce module through input basic video signal offers system accurate relevant synchronous signal ; under control of video processing module d / a decode module convert digital video data into compound tv signal which can be shown in tv directly ; i2c bus control module is used to initialize the chip of system by simulating i * c bus timing
本課題主要完成了a d解碼模塊、 fpga視頻處理模塊、視頻數據幀存模塊、基準時鐘產生模塊、 d a編碼模塊、 i ~ 2c總線控制模塊等部分軟、硬體設計及調試。其中a d解碼模塊採集模擬電視信號實現視頻解碼; fpga視頻處理模塊對解碼后的數據進行去噪處理的同時還負責系統的邏輯控制;視頻數據幀存模塊為大量高速的視頻數據提供緩沖區;基準時鐘產生模塊通過輸入基準視頻信號為系統提供精確的相關同步信號; d a編碼模塊在視頻處理模塊的控制下把數字視頻數據轉換成復合電視信號供顯示用: i ~ 2c總線控制模塊模擬i ~ 2c總線時序實現對系統中編、解碼晶元的初始化。The system consists of phantom, signal source block, power amplifier block, measuring mode setting block, high accuracy amplifier and high speed demodulator
該系統包括信號源模塊,功率放大模塊,測量模式設置模塊,信號放大模塊,同步解調模塊。Synchronized drive module produces horizontal drive signal in synchronization with horizontal synchronization signal and field drive sawtooth in synchronization with vertical synchronization signal. these signal drive scaning sytem of slltv
同步驅動模塊產生與行、場同步的行同步驅動信號和場鋸齒波驅動信號,用於驅動激光電視的掃描系統。In practical studies, finally, a hybrid active power filter based on the digital signal processor ( dsp ) and intelligent power module ( ipm ) was set up, including a cycloconverter acem. based on the experimental set - up, plenty of experimental studies were conducted. the experimental results demonstrate that the self - adaptive technique, the topology of series connected hybrid power filter and the corresponding significant technologies described above are feasible and practical
最後,實際研製了一套以dsp (高速數字信號處理器)和ipm (智能功率模塊)為核心的小功率混合型有源濾波裝置,在交交變頻acem實驗平臺上進行了全面的實驗研究,充分驗證了本文所提出的自適應同步相關濾波技術、優化混合型濾波器拓撲結構和有關的關鍵性技術的正確性和實用性,從而從理論到實踐全方位、成功地實現了對交流勵磁發電機輸出電力諧波抑制的研究。( 1 ) data - recovery module, its functions is adjacent to the data - sampling systemfor the transmission of simultaneous switching signals, and receive the correctinformation from the high - pressure side of the transmission of data. these sampledvalues can be ordered correctly via fpga before they are transmitted todata - processingmodule
( 1 )數據還原模塊用於向高壓側數據採集系統發送同步轉換信號,並正確接收從高壓側傳送的數據信息,同時將這些數據進行正確排序后輸出給數據處理模塊。According to the gjb 2077 - 94 and the requirement of automatic radio of haige communication co., a new way of bit synchronization is put forward. this article discusses the design of 8 - fsk modulating and demodulating, signal detection, and fec encoding, based on the technique of bit synchronization. ale module is optimized and mended in its application, because it is a module of automatic radio of the company
本文根據gjb2077 - 94短波自適應通信系統自動線路建立規程和海格通信公司短波自適應電臺對ale模塊的具體需求,採用了一種新的位同步方法:能量跟蹤法,並在此基礎上提出了8fsk調制解調,信號檢測,前向糾錯編碼的具體實現方法。Digital phase lock loop is used in this section to synchronize to an incoming serial data stream
數據接收解碼模塊中使用了數字鎖相環技術從輸入數據碼流中提取出同步時鐘信號。The constitution, interface and control principle of main circuit, rectifier control module, inverter control module, generator ' s rotor speed and rotor position measuring module, information exchange module are discussed. specially, the methods of implementing signals level match in multi - voltage system, synchronizing with pc in parameters measurement and measuring rotor speed and rotor position with high precision are explained in detail
文中討論了主電路、整流器控制模塊、逆變器控制模塊、電機轉速和轉子位置測量模塊以及信息交換模塊的組成、介面方法和控制原理,詳細說明了系統中實現不同電壓等級間信號電平匹配的方法、系統與上位機進行同步參數測量的方法以及實現高精度電機轉速和轉子位置測量的方法。The " vxibus synchronous data acquisition module " presented in this dissertation supports real - time synchronous acquisition, storage and processing of the multi - channel inputs
本文設計的vxi同步數據採集模塊是一種支持多個通道以同步的方式對輸入信號進行實時採集、存儲和處理的測量模塊。On physical layer, it consists of a variety of ne ( network elements ) with different functions connected by optical fibre cables. compared with pdh, sdh is more widely used in fibre optical communication system these days. the reasons of the wide applicability of sdh are : first, it provides worldwide standards for electrical interface and optical interface, which can promote multi - vendor interoperability ; second, it has the feature of synchronous multiplexing and flexible mapping mechanism, so it can use stm - 1 signal to bundle atm cells, fddi signals as well as pdh signals
Sdh之所以具有強大的生命力和廣泛的適應性,主要有兩個原因:提供統一標準的光介面和電介面,使不同廠家設備實現橫向兼容;採用同步復用方式和靈活的映射結構,以基本傳輸模塊stm - 1為橋梁,與原有的pdh信號實現縱向的前向兼容,與atm 、 fddi等數字體制實現後向兼容。In addition, according to the safety requirements of underground electrical equipment, the fault characteristics and protection principle of asynchronous motors with single speed or double speed used in underground are simultaneously analyzed, the function parameters corresponding to the fault protection for high capacity motors are determined. at the same time, module program design method and compiled monitoring program and function subprogram are emphatically described. especially, more attention is paid to the design philosophy, operation principle, hardware block diagram and software flow chart of mcs
根據礦井生產要求,分析了異步電動機的各種故障特徵和保護原理,確立了每種故障保護的動作指標;設計了主控制板的硬體電路;根據結構化程序的設計方法,設計了監控程序和各功能模塊程序;並且分析了工業生產環境存在的干擾源及所產生干擾信號的特徵,針對不同特徵的干擾信號,制定了相應的硬體、軟體抗干擾措施。In this thesis, the principle of polarized light wave transmit in optical fiber is researched, i. e. principle of ternary optical fiber communication is researched. based on the researches, the construction of ternary codes optical end machine and 3b2t optical end machine used in two - state fiber net are designed. the construction and component of circuits in 3b2t optical ( called sign converter circuit - scc ) are designed particularly, including : the clock synchronization module, the data synchronizing, code converting module, frame managing module and error exam and managing module
本文研究了線偏光波動理論以及在光纖中的傳輸原理,研究了三值光通信系統原理和器件原理;在此基礎上,設計了三值光端機和在現有兩值光纖網中實現三值光通信的3b2t三值光端機的組成結構,詳細設計了3b2t三值光端機的電路組成部分(稱為電信號變換電路scc ) ,包括:時鐘同步模塊、數據同步模塊、碼元變換模塊、幀處理模塊及差錯檢測和處理模塊;而且在三值光纖通信基礎上,提出了四值光通信的原理和偏分復用的實用化方法。Firstly, the discrete multi - tone processing in an adsl central office - side interface card is detailedly introduced. the processing mainly includes timing, framing, interleaving, forward error correction, cyclic redundancy check, constellation encoding, inverse fast fourier transform processing, prefixing, d / a converting, and amplifying. secondly, a kind of interface named utopia level 2 is used as the network interface, with which many adsl devices are linked with one atm layer
本文比較詳細地闡述了數字用戶線接入模塊( dslam )開發方案中, adsl局端介面模塊的dmt編碼與調制過程,討論了其組網應用方式以及基於atm的網路側介面utopia2技術,分析了adsl與其它寬帶接入技術的相互聯系和優缺點,並介紹了方案中所採用的一些關鍵技術,包括在線插拔技術、系統同步啟動和故障自動重起技術以及高速數字信號完整性的保證技術等等。With these optical transceivers, the workstation on the shore can receive the synchronization signal for synchronization demodulation of pgc and controls the long - distance photoelectric modules under water. in this thesis, a long - distance optical transceiver is designed to meet the above requirements. beginning with the principle of optical communication, characteristics of the basic optical active device are summarized firstly
為了實現pgc信號的同步解調與遠程水下光電模塊的監控,岸基工作站與水下光電模塊需要通過光收發一體模塊進行低速率、無中繼的雙工通信,因此本課題的主要工作是進行遠程水下光收發一體模塊的設計與實現。Modular design is adopted in digital modulation system. in this way digital modulation system consist of vedio process module, synchronized drive module, semiconductor laser modulation and system control module
數字化調制系統採用模塊化設計方法,把系統分為四個功能模塊,即視頻信號處理、同步驅動、半導體激光調制和系統控制模塊。This text introduces a kind of video detecting technique that can be used extensively in video matrix system, its principle is to detect intensity of the signal of the video and synchronous information through the module of video detection in real time, and send the data to host computer of matrix system through rs232 communication for feedback, thus matrix system can get video quality information of cameras in the control - range in real time, then can make relevant decisions
摘要介紹一種在視頻矩陣系統中可以廣泛應用的視頻檢測技術,其原理是視頻檢測模塊對視頻信號的強度和同步信息進行實時檢測,然後再將檢測后的數據通過rs232通訊反饋到矩陣系統的主機,從而矩陣系統就能夠實時獲取所監控范圍內各攝像機的視頻質量信息,進而可以作出相關決策。Software modules including rotating speed measuring, analog and digital signals acquisition are developed. this daq card ' s driver is developed both on the linux os and windows os
在軟體方面,設計了轉速測量,同步、異步模擬信號以及數字信號採集等功能模塊;開發了數據採集卡在linux和windows操作系統上的pci設備驅動程序。This high speed digital test module is based on the vxi bus structure and specified on multi - channel and high speed aspects ; it is also capable of generating the stimulant signal and collecting the responded data ; meanwhile because the relationship between stimulation and response can be programmable, the module is highly intellective and it helps the testing system work more automatically ; what ' s more, with the good functions like real - time comparison, branch, single step, pause, trigger, it makes the testing more efficient as well
本實驗室設計實現了高速數字測試模塊,該模塊是採用vxi總線結構的儀器,具備以下功能:多通道,高速度;同時具備產生激勵信號和採集響應數據的能力;能夠通過編程在激勵和響應之間建立起因果聯系,使整個測試過程體現出一定的智能性,大大提高測試系統的自動化程度;具有實時比較,實時跳轉,單步,暫停,觸發等功能,使測試過程更加快速和靈活。分享友人