video circuit 中文意思是什麼
video circuit
解釋
視頻電路-
The control system included the following units : video decode unit, data format conversion unit, fpga controller, cache unit and d / a monitor. the above self - design control unit plus row and column power supply units make the whole fed driving system, thus drove the 25 inch sample and realized color video display. the 25 inch vga sample thus fabricated could display video images, and obtained its brightness 400cd / m2, contrast ratio 1000 : 1, 256 circuit gray scale
本文介紹了fed驅動系統的工作原理，重點論述了基於fpga的vga級彩色fed新型驅動控制系統的研製，這種新型fed驅動控制系統主要包括視頻解碼電路、數據格式轉換電路、 fpga控制電路、數據緩存電路和d / a監控電路，配合后級列灰度調制單元和行掃描單元，組成完整的fed驅動系統，可以驅動25英寸vga級fed顯示屏，實現彩色視頻顯示，樣機亮度達400cd / m2 、對比度為1000 : 1 ，灰度等級為256級。 -
Applicable to transmission of various video signal in close circuit tv monitoring system and sound engineering
適用於在各類閉路電視監控系統、音響工程中傳輸視頻信號。 -
The paper is to design analogue lowpass filtering circuits with high performances. the circuits are used directly as anti - alias filters in an analogue front - end of video decoder ic ( integrated circuit )
=本文旨在設計高性能的模擬低通濾波電路，用作視頻解碼晶元模擬前端中的抗混疊濾波器。 -
The field of video signal processing is now undergoing a digital reform. the digital processing technique is clearly expatiated in this paper, such as a / d convert, anti - alias filter, clamp control, gain control, pll, synchronization circuit, color decoder, comb filters
本文詳細敘述了視頻圖像的數字處理方法，重點介紹了視頻信號數字化技術、抗混疊濾波器、箝位、增益控制、鎖相技術、同步時鐘產生、電視信號亮色分離、彩色解碼等技術，這些關鍵技術為視頻信號的數字化處理提供了重要的基礎。 -
At present the company is the general agent of japan conice closed - circuit monitoring system and network digital building system of china, hong kong, macao ; it also the appointed agent in china of germany bosch visual buildings system and anti - fire / anti - burglar alarm system, south korean lg professional circuit monitoring products, taiwan aone video security products, japan elbex professional circuit monitoring system
本公司憑借「以誠待客、以信為本、開拓創新、科學管理」為經營理念，以提供「高效、優質的產品，一流、完善的服務」為經營方針，務求通過我們的優勢為您提供安全可靠、有信心保障的安防產品，與您共創輝煌的明天。 -
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。 -
As the test signals of the trial will be transmitted via channels 35 and 37 ( never been used before to transmit television signals ), thus the television antenna systems using the said channels or the adjacent channels 34, 36 and 38 for other usages, such as the video cassette recorder ( vcr ) channel or closed circuit channel, might encounter interference during the said period
是次測試使用的第35及37頻道，由於以往未有用作電視訊號發射，故任何電視天線系統如透過以上頻道或相鄰頻道（即34 、 36及38 ） ，作其他用途，例如用作錄影機播帶頻道，保安攝影機頻道等，將可能受到干擾。 -
Since the early 1990s, when the electronics industry came to the stage of digital technology, china has broken through in high - end series personal computers and servers, large - scale parallel computer systems, chinese electronic publishing systems, large - scale spc exchanges for central offices, mobile communications systems, sdh wdm fiber communications systems, thin route satellite communications systems, new generation digital video terminals, manufacturing technology for 0. 8 - 0. 35 m cmos integrated circuit chips, etc
到90年代進入數字技術階段，高檔系列微機和服務器產品、大規模并行計算機系統、中文電子出版系統、大型局用數字程式控制交換機、移動通信系統、 sdh波分復用光纖通信系統、稀路由衛星通信系統、新一代數字視頻終端、 08 ? 035微米cmos集成電路晶元製造技術等，都有突破性進展。 -
Introduces operation principle and interface circuit design of video input processor saa7111 and video output processor saa7185. 4
介紹了可編程視頻輸入編碼晶元saa7111和可編程視頻解碼輸出晶元saa7185工作原理和介面電路設計。 -
Power integrated circuits ( pic ' s ) have been developed for applications including : power converters, motor controllers, fluorescent lighting ballasts, automotive switching, video amplifiers, bridge circuit drivers, display drivers, etc
功率集成電路簡稱pic ，它被廣泛應用於包括功率轉換器、馬達控制、熒光燈整流器、自動開關、視頻放大器、橋式驅動電路以及顯示驅動等多個領域。 -
In order to keep the signal transmission unfailing, bch error - correcting code is applied in the system. this kind of system does n ' t affect the application television broadcasting normally and does n ' t increase video signal bandwidth additionally. it optimizes the transmission circuit for control signals and solves the problem of time - delaying, thereby it promotes the transmission more efficiently and economically
這種新型的應用電視在不影響電視正常播放和不增加電視傳輸帶寬的前提下，將控制信號搭載在視頻信號通道上運行，優化了控制信號傳輸線路，解決了時延問題，達到了利用電視信號逆程資源的目的，真正意義上實現了單纜傳輸監控系統，促進了監控系統的高效化和經濟化。 -
Closed - circuit television monitoring system for residential quarters based on video capture
基於視頻捕捉的小區閉路電視監控系統 -
Closed - circuit television ( cctv ) is the use of video cameras to transmit a signal to a specific, limited set of monitors
閉路電視監控系統（ cctv ）是利用攝像機傳輸信號到特定規格的監視器。 -
As to the video signal, alarm signal, control signal, are all weak electricity signal, exceedingly easily be subjected to the jam, in case the power supply system does not steady, wave propag ation is greatly, the harmonic content of power source overtops, the veins wave factors are great unduly, and even power source equipment breakdown, outputting abnormal, will be about to affect the video signal image effect, and dependability cuts downs to the security and alarming system. we adopt fast fu lye ' s mutation rule - fft alternatives, by the way of carrying fft alternatives to the local junction circuit, regulated power supply, ups ' s power source, and switch power source, thereby diagnose every degree harmonious wave content of power souse, and abnormal coefficient, compared to the normal working situation. thereby diagnose out the working condition of the regulated power supply, ups ' s power source, and switch power source
如果有供電系統不穩定、波動大，電源的諧波含量過高，紋波系數過大，乃至電源設備損壞、輸出異常等情況出現，將會嚴重影響視頻信號的圖像效果，大大降低防盜系統的穩定性和可靠性，我們採用快速傅利葉變換原理，即fft變換，通過對市電、穩壓電源、 ups電源、開關電源等的電壓信號進行fft變換，從而得出信號中各次諧波的含量及信號畸變系數，並將其與正常工況下的參數進行對比，從而進一步診斷出穩壓電源、 ups電源、開關電源等設備的運行狀況；組成監控系統的設備長期處于工作狀態，往往由於設備散熱條件不好、設備老化故障等原因導致設備表面溫度過高，從而影響設備的正常運行，降低設備的使用壽命。 -
The results show that 25 inch color fed sample has been fabricated in our lab can display video image and obtain its brightness about 400cd / m2, contrast ratio 1000 : 1, 256 circuit gray scales
測試結果表明，本實驗室研製的25英寸彩色fed顯示器樣機能顯示彩色vga視頻圖像，亮度達400cd / m2 ，對比度為1000 : 1 ，電路灰度等級256級。 -
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。 -
Introduces operation principle and interface circuit design of video codec adv611. 3
介紹了新一代視頻編解碼晶元adv611的工作原理和介面電路設計。 -
Finally, the anti - jamming system is discussed. through simulation analysis and experiment on signal integrity, the method of improving stability of the circuit is presented. circuit testing proves that the “ sub - row ” gray - scale modulating method is suitable for our printable fed with low work. the designed circuit has been applied to our fed sample which can display vga format video with 256 gray - scale and brightness of 400 cd / m2
實際電路測試證明，子行灰度調制的方法適用於印刷型低逸出功fed顯示屏，所設計的灰度調制驅動電路已成功應用於25英寸彩色fed樣機中，可顯示vga格式視頻圖像，灰度等級為256級，顯示亮度達400cd / m2 。 -
And it is mainly made up of optic - mechanical system, ccd imaging system ( including ccd focal plane module, controlling time sequence and driving circuit, video processor and a / d switcher. ),
該測量系統由光機系統（包括定焦鏡頭、數字ccd相機、消雜光光闌、機械外殼組成） 、圖像處理系統和控制計算機構成。 -
Secondly, this paper has expounded two key parts through which this system can be implemented ? ? the filter which can separate data signal from video signal and the circuit which can realize data signal which is in the same channel transferred bidirectional through coaxial - cable. the design and the test result of these two key parts are analyzed
其次，論文還對系統得以實現的兩個關鍵部件? ?讓catv信號和以太網信號得以分離的高低通濾波器，讓同軸電纜實現雙向數據通信的混合線圈的設計過程做了詳細闡述，給出了高低通濾波器及混合線圈的設計結果。
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