視頻處理電路 的英文怎麼說
中文拼音 [shìbīnchǔlǐdiànlù]
視頻處理電路
英文
video processing circuits- 視 : Ⅰ動詞1. (看) look at 2. (看待) regard; look upon 3. (考察) inspect; watch Ⅱ名詞(姓氏) a surname
- 頻 : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
- 處 : 處名詞1 (地方) place 2 (方面; 某一點) part; point 3 (機關或機關里一個部門) department; offi...
- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 視頻 : [物理學] video frequency (v f ); vision frequency; visual frequency; video視頻變頻器[變換器] vi...
- 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
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The circuits driving the ccd and processing the video signal are implemented by means of cpld ( complex programmable logic device ) and hdl ( hardvvare description language ). the solution to solve the problem of multi - level logical competitive risks that occur in cpld circuits frequently was provided in details in the thesis
Ccd的驅動電路和視頻信號處理電路採用cpld (可編程邏輯器件)和hdl (硬體描述語言)實現,文章對cpld電路中容易出現的多級邏輯冒險競爭情況作了專門的敘述和提出相應的解決方法。The video signal processing circuit realizes the primary catching, filtering and signal amplifying. variable threshold binarization processing circuit and two - channel counter are designed to sample to count the output pulse signal, which is processed, deposited and displayed in microprocessor. the communication interface circuit with the computer is also designed
視頻信號處理電路完成了原始信號的初級捕捉、濾波、視頻放大等處理,設計了浮動閾值二值化處理電路,採用兩路計數器對輸出脈沖信號采樣計數,最後送入微處理器進行運算處理,可實現測量值的儲存、顯示等,並設計了與上位機的通訊介面。The method is as follows : when the video signals from cmos image sensor pass through a high - pass analog filter, the microprocessor samples and processes them and then judge whether the lens is in focus. if the lens is not well focused, the microprocessor will control the lens to be in focus by moving the stepping motor
這一系統採用的方法是通過對cmos圖像傳感器輸出的模擬視頻信號進行濾波,提取出代表圖像清晰程度的高頻成分,選用單片機組成硬體電路,對信號進行處理並分析判別聚焦位置、控制馬達轉動鏡頭至對焦清楚。The technical problems are clarified and the corresponding solutions are given. ( 1 ) because there are several supervisors for remote viewing, the contradiction between safe operation and monitoring control can be avoided by installing the indispensable main controller and secondary controllers. ( 2 ) the operation state and video information of substations should be displayed on the same screen. ( 3 ) appropriate measures should be taken for the data processing, storing and communication in the multimedia master station systems
文中闡述了主要的技術問題和相應的解決方案:主站將出現多個遙視控制點,設置必要的主控和分控可以避免安全操作和監視控制上出現的矛盾;變電站工況信息和視頻信息協調顯示的一種較好的方法是同屏演示;主站在數據處理和存儲、通信網路等方面也將相應變化。Computer control system incepts two video signals, real - time disposes video, obtains undershoot values and relative distortion of vessel by combining two measurement results
計算機控制系統接收兩組光電自準直平行光管的視頻信號,進行實時圖像處理,得出動態脫靶量,並對兩路圖像的測量結果進行疊加得出艦艇的相對變形量。Compared with analog video decoder, digital video decoder has advantage of smaller area and higher quality, and offers better source for video processor
數字視頻解碼器給視頻處理電路提供了高質量的數字信號源,相比模擬解碼器,具有面積小、質量高的優點。At present, 25 inch color fed sample has been fabricated with the capacity for image processing in our lab. it can display color video and obtains its brightness about 400cd / m2, contrast ratio 1000 : 1, 256 circuit gray scales
目前,本實驗室已研製成功具有圖像處理功能的25英寸彩色fed顯示器樣機。該樣機能顯示彩色vga視頻圖像,亮度達400cd / m2 、對比度為1000 : 1 ,電路灰度等級是256級,在國內處于領先水平。The designs of the system ' s hardware includes the designs of the circuits that drive the ccd and the circuits that process the video signals, the designs and calculates of the optical imaging svstem, and the track inspection sub - board
裝置硬體包括ccd的驅動電路和視頻信號處理電路設計、光學成像系統的設計計算、以及軌道檢測單元板的設計。Depending on the performance characteristics of the dc restoration circuitry within the video processing channel, some or all of the sync pulse may not be removed from the green channel
根據視頻處理通道中的直流電平恢復電路的性能,部分或全部的同步脈沖不會從綠色通道中移除。Generally speaking, information appliances have exceeded the traditional electrical home appliances concept, including all the information processing equipments that can exchange the information through the network system, such as home pc, roof box, hpc, dvd, wireless data communication equipments ( dce ), palmtop computers, pda, video game equipments, webtv, etc. they are the combination of 3cs ( computer, communication and consumer electronics )
廣義來說,信息電器已突破傳統家電概念,包括家用pc 、機頂盒、 hpc 、 dvd 、無線數據通信設備、掌上電腦、 pda 、視頻游戲設備、 webtv等所有能通過網路系統交換信息的信息處理設備。它也是3c ( computer 、 communication 、 consumerelectronics )合一的產物。This process, including analogue video conversion from difference signal to single signal and digital video processing which is the real time transformation of electronic canceling image - rotation is realized by designing a video - signal - board
設計電路板video - signal - board ( vsb )完成預處理包括:模擬視頻信號的差分轉單端和放大;數字視頻濾波以及實時電子消像旋、圖像疊加、實時放大等操作。The first part discusses the base and necessity of the paper, review of the technique home and abroad, market demand analysis, available conditions and main work finished ; the second part is the core of this paper and discusses the detail of how to make the micro optic life explorer ; the third part introduces the optic - electric imaging theory ; the fifth part discusses the process and display of video image, circuit of video information process, pip video display technique and lcd display technique ; the sixth part discusses the relative content about wireless spread spectrum theory, a necessary theoretical supplement of lift exploring system ; the last part is the conclusions of the paper, summarizes experiences gotten during the research of lift explorer, gives some advices on how to perfect the system and the market prospect of lift explorers
第一部分論述了選題依據和必要性,國內外現狀和技術發展趨勢,市場需求分析,現有基礎條件和本人所做的主要工作等;第二、四部分是微型光學探生儀的詳細研製過程,從系統設計方案、設計思路到系統整機集成進行了逐一分析介紹,是本文的核心內容。第三部分是對主探頭的光電成像理論進行介紹。第五個部份討論了視頻圖像處理與顯示,介紹了ccd視頻信號處理電路, pip視頻顯示技術和液晶屏顯示技術。Image processing circuit made up of several following parts : the pretreatment of the video, a / d change, the frame memory, the track window and the digital signal proc
圖像處理電路由以下幾部分組成:視頻預處理、模數轉換、幀存儲器、跟蹤窗口、數字信號處理器。With performance of up to 900 million floating - point operations per second ( mflops ) at a clock rate of 150 mhz, tms320c6711 is fit to tackle with the problem. this thesis made a deep research on the h. 263 standard and the tms320c6711. we propose the plan of the software and the hardware for the realization of the h. 263 protocol which include the structure of the whole program, the c code of the key algorithm of the h. 263, the c code of some subprogram, and the circuit for image processing with the tms320c6711 as the processor. furthermore, we optimize some subprogram in common use to make the coding more quickly. we encode a video sequence with the tms320c6711dsk successfully, even if the compression rate is as high as 100, video effect we get after decoding the code stream is satisfying
首先系統地研究了h . 263協議編碼器的基本演算法,句法,碼流結構和tms320c6711dsk的原理結構以及ccs2 . 0的開發環境;在系統的軟體方面給出了總體流程圖,對于h . 263協議編碼器的某些核心演算法和子程序,給出了部分源代碼,對于dsp的各種代碼優化方法進行了討論,並且對代碼進行優化,從而在提高系統處理速度的同時減少代碼大小和內存需求量;硬體方面以tms320c6711為核心處理器,提出了基於tms320c6711的圖像處理平臺的硬體實現方案,並給出了原理電路圖;最後在tms320c6711dsk上成功對視頻數據進行高壓縮比( 100倍以上)的編碼,對回傳的結果解碼后得到了令人滿意的效果。On the basis of describing the situation of current logging technology and considering the atrocious environment and the superiority of video imaging well - logging, the logging system consists of hardware and software sub - system in this paper. according to the objective condition of logging, the design of hardware has taken special treatments : high - temperature - proof protection with particular equipment for the whole circuit, video collection with ccd, temperature signal gathering by pt resistance and v / f transform, depth measurement through photoelectric encoder and jitter elimination circuit
在系統的硬體設計中,針對油田測井的客觀環境,進行了特殊處理:對整體測量電路採用特種裝備進行耐高溫保護;對井下的視頻信號採用ccd攝像頭進行採集;對井下溫度信號利用鉑電阻和v f變換實現採集;對深度信號採用光電碼盤及去抖電路進行精確測量。On this basic, we introduce the hardware design for all the subsystems of our ccd camera in great details. the whole equipment consists of six subsystems : power subsystem, driving subsystem, video signal processing subsystem, interface subsystem, refrigeration subsystem and the optic subsystem
在此基礎上,系統而詳細地介紹了我們研製成功的ccd相機系統各組成部分的硬體設計,按照系統功能分為六部分即供電單元、 ccd驅動電路、視頻信號處理電路、介面電路、致冷電路和光學部分分別加以介紹。Video processing circuit can obviously restrain the main noise, enhance snr and obtain high quality video signal for further signal processing. hardware design and software program of the microprocessor are completed, and system error
視頻處理電路對影響ccd 「像質」的主要噪聲均有明顯的抑制效果,提高了信噪比,為進一步的信號處理提供了高質量的信號。The main focus of this paper is to design a general - purposed embedded video digital signal processor. aimed at the general - purposed nature to different kinds of algorithms of this system, network architecture of parallel - processing multi - processors is studied, and the bottleneck problem of the system common bus is solved, thus establishing a detailed project of the system. to achieve the stability of the system, the signal integrity problem in the printed circuit board ( pcb ) is studied as its theoretical background, and the design rules of the high - speed circuit pcb are summarized, which have been applied in actual systems, and thus achieving good effects
本文設計了一套通用的嵌入式視頻數字信號處理器:針對系統對多種演算法通用性要求研究了多處理器的并行處理網路結構,解決了該系統的總線瓶頸問題,並確定了系統的詳細設計方案;針對系統對穩定性要求,在理論上研究了印刷電路板中的信號完整性問題,總結了高速電路印刷電路板的設計規則,並在實際系統中獲得了應用,取得了很好的效果。The experiment of ccd driving and signal processing circuit shows that the drivers can assort with ccd well, take advantage of the characteristic of ccd photoelectric transition and output steady and reliable electric signal
對ccd驅動及視頻處理電路進行了試驗,結果表明驅動電路能很好地與ccd配合,充分發揮ccd光電轉換特性,輸出穩定可靠的電信號。Satellite signal receiver is the outcome of the development of the modern communication techniques, it has been widely used in many fields, such as satellite navigation 、 satellite television living broadcast and satellite digital broadcasting, etc. rf circuit is a very important part of the satellite signal receiver
衛星接收機是現代通信技術發展的產物,已在衛星導航定位、衛星電視直播以及衛星數字廣播等領域中得到廣泛的應用。射頻電路是衛星接收機中一個非常重要的組成部分,它對接收到的微弱衛星信號進行放大與下變頻處理后輸出給後端的信號處理電路。分享友人