視頻信號線 的英文怎麼說
中文拼音 [shìbīnxìnháoxiàn]
視頻信號線
英文
video signal cable- 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...
- 號 : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
- 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...
- 視頻 : [物理學] video frequency (v f ); vision frequency; visual frequency; video視頻變頻器[變換器] vi...
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The second, the main work in the paper is discussed. they are include : the theory and character of electromagnetic leaking from a computer ; the theory of accumulation mean filter and pectination filter ; the analysis of synchronous signal precision, at 10 - 12 second level, for stably intercepting ; the technology requirement of receiver and data acquisition board for clearly displaying the images recovered from the intercepted data
本文從計算機視頻電磁泄漏和數字濾波器兩方面的基本理論出發,詳細論述了計算機視頻信息電磁泄漏的原理及特點,指出視頻泄漏信息的頻譜是以行頻為周期的譜線;分析了重加濾波器和梳狀濾波器的性能;分析了視頻泄漏信息截獲的條件;推導出穩定截獲視頻泄漏信息需要對同步信號的精度控制在皮秒級;論述了清晰再現對接收機和數據採集卡的技術要求。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。That noise fm signal emalates tv sound fm signal researchs above two question about correlative detection and restrainning sidelobe. the research ' s result is compared with linear fm emulational research ' s
用噪聲調頻信號對電視伴音調頻信號進行模擬研究上述提到的相關檢測和旁瓣抑制問題,並與線性調頻信號模擬研究相比較。This project uses the single chip machine mcs - 51 as its fundamental controlling unit and adopts many digital chips. scrambling is fulfilled by compressing some of the synchronous tips carried by rf signal
本方案以單片機mcs - 51作為加解擾系統的核心控制器件,通過將有線電視射頻信號的某些行同步頭壓縮掉的方式實現對電視信號的加擾。At the same time, an automatic gain control and floating threshold setting intelligent detecting and processing method based on linear ccd is proposed, and the disposal and transform of ccd video signal is carried out by hardware and software
提出了一種基於線陣ccd的自動增益控制和浮動閾值的智能信號檢測與處理方法,用硬體和軟體實現了對ccd視頻信號的進行處理和變換。The products are mainly be used for computers, audio, video machines and so on, which includes signal cable, wire harness, power cord, lan cable
公司生產的產品主要應用於電腦音頻視頻電器等領域,包括信號線電子線電源線網路線等。Transmission systems for audio and or video and related signals using infra - red radiation - part 7 : digital audio signals for conference and similar applications
使用紅外線的音頻和或視頻以及相關信號的傳輸系統.第7部分:會議和類似用途的數字音頻信號Dect also boasts a claimed range of up to a few hundred meters 1, 000 - 3, 000m, encryption to ensure a high degree of call security, and " optimized " radio transmission that maximizes handheld device battery life. 2
該系統採用了先進的微波無線電傳輸技術,可以高保真地無線傳輸視頻信號和音頻信號,傳輸距離范圍達1000 - 3000米以上,在有墻阻隔情況下,可達20 - 100米視實際環境。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。The alarm control system made of lonworks technology has been used in the lab of shipping simulation central. to inspect the areas of lab, combined with the video signal and control system, makes the purpose of guard against fire and theft into reality. this synthesis - control alarm is the innovation of net era, it breaks the traditional inspect control
航運模擬中心實驗室採用lonworks總線技術組成功能強大的報警監控系統,並將視頻信號和監控系統結合起來,對實驗室的各個區域進行監控,達到了防火防盜的目的,這種聯控報警是網路時代的創新,對過去傳統意義上的監控是一個突破。Infrared devices read heat by absorbing infrared light, converting it into a grid of video signals and creating a picture the viewer can see
紅外線探測儀通過吸收紅外線感應熱度,將紅外線轉變為一系列視頻信號,然後形成可視的圖像。夜視技術,數九寒冬也適用?This system requires to improving : ( 1 ) the ability to counter the severe communication condition and ( 2 ) the ability to transmit video by enhancing the transmission speed and the compression ratio
系統還需要在傳輸方面進行以下改進: ( 1 )加強抵抗電力線惡劣通信狀況的能力; ( 2 )提高傳輸速率,採用壓縮比更高的壓縮技術,使系統適合連續圖像即視頻信號的傳播。In the blue print of the digital, make sure of the logarithmic amplifier, a / d / a converter and fpga realize the if amplifier, big dynamic range agc, detect and video process same as that in the blue print of the analog
在數字方案中,筆者結合軟體無線電技術,通過使用對數放大檢波器、 a / d / a轉換器以及fpga軟體實現了同樣的中頻放大、大動態范圍的agc控制、以及檢波、視頻信號處理等功能。Delivering quality video over wireless channels in real time is a challenging task. this isprimarily because of the throughput of a wireless channel may be reduced due to multipath fading, cochannel interference, and noise disturbance. therefore, there is a critical need forrobust transmission of video over wireless channels. recently, the emergence of mimo - ofdm has stimulated great interest in real time video communication, because this system can offer broadband for the multimedia data transmission over wireless channels
因為傳統的視頻壓縮技術是針對單天線系統,只產生單一的比特流,這與多天線系統不相適應,為此,需要將視頻信號分解成相應的多個碼流。本文探討一種將能視頻信號分解成多個碼流的多描述編碼方法,以適應多天線系統的傳輸。The thesis is organized as follows : an overview of wireless and multimedia communication is presented and a wireless image communication system is proposed in chapter 1 ; chapter 2 makes a brief introduction on image signal capture device and related software implementation ; source coding is mainly studied in chapter 3, followed by in - depth modulation techniques studies in chapter 4
第二章對視頻信號採集的硬體設備和軟體實現分別介紹;第三章介紹視頻信號的壓縮;第四章分析了用於視頻信號無線傳輸的硬體設備? ? orinoco無線網卡所採用的調制解調技術並介紹了網卡的工作原理。Adopt the ds18b20 ' s figure temperature sensor, take the online measure to the key eq uipment of the system ; as to the video signal in the monitoring system, since the fact that video wire is tiny, and the connector is great, especially to those relative and removable video signal, the video wire is easy to break down, such as short circuit and so on, along with the video device is over a long period of time being in the circular telegram running state, also easily running into trouble, hence, valid means to be take adopt to the video signal
本故障分析儀採用了ds18b20數字溫度傳感器,對關鍵設備的機溫進行實時在線監測;對于監控系統中的視頻信號,由於其線路長、線徑細、轉接頭較多,尤其是那些可旋轉、移動的視頻信號,易發生視頻線斷線、短路等情況,再加上視頻設備是長期處于通電運行狀態,也易發生故障情況。因此應採用有效的方式對視頻信號進行監控。The user wears a pair of glasses that contain a miniature camera and that wirelessly transmits video to a cellphone - sized computer in the wearer ' s pocket
使用者佩戴一副裝有小型攝像機的眼鏡,將視頻信號無線傳輸到隨身攜帶的掌上電腦中。Analysis on mine video signal transmission base on mine double twisted line
基於礦用雙絞線的礦井視頻信號傳輸的分析This image grab card uses saa7111 to translate the analogue signal to digital image data. after buffering in an fifo ram the data are read into computer by a universal pci interface chip, pci9052. finally the images are displayed on screen
該視頻採集卡以fpga為邏輯控制中心,採用saa7111將四路視頻信號分別轉換為數字圖像數據,經fifo緩存后,由pci總線介面晶元pci9052將數據送入計算機,最後通過應用程序將圖像顯示出來。The image data are stored and exchanged under an " interruption & dma " parallel mechanism, which can run simultaneously with dsp unit. two different voltage power resources are provided for the whole system, which are watched by one surveillance circuit. system anti - jamming and system optimization measures are added into system for future circuit debug
視頻採集單元採用philipssaa7111及fpga晶元,以標準視頻信號( pal或ntsc )為輸入,通過fpga及i2c總線,對圖像數據進行剪裁及採集;採用兩幀存儲體輪換工作機制,省去fifo器件,降低成本;採用"交叉連續"地址存儲空間,便於dsp進行dma傳輸。分享友人