digital source 中文意思是什麼
digital source
解釋
數字信源-
As a mix - mode chip, the application - specific controller including analog signal and digital signal processing block can be applied to receiving, amplifying, processing, controlling signals of pir, and offer a wide application in some fields. in analog circuits, by sub - threshold mosfet, a self - bias current source is presented, which has a high power supply restrain ratio and a complementary to absolute temperature characters
這款晶元是一款數模混合晶元，包括模擬信號處理（含模數介面模塊）和數字信號處理兩大模塊，完整實現對紅外信號的接收、放大、處理、控制，產生有效數字電平驅動繼電器、可控硅等負載，應用於自動燈等多種場合。 -
Digital signature operates the born and a series of sign and codes to constitute the electronics password to carry on the signature through a certain password, replace to the writing signature or an official seals, to confirm the body, the data source and integrities of signs, keeping data from burglarize to take, distort and break, thus to attain the purpose of protecting the data
數字簽名是通過某種密碼運算生成一系列符號及代碼組成電子密碼進行簽名，來代替書寫簽名或印章，確認簽名者的身份、數據來源和完整性，防止數據被竊取、篡改和破壞，從而達到保護數據的目的。 -
Our company main products digital piano greaten series is using france sound source and international advanced technology keyboard, it has obtained recognition in the piano market widely
我公司生產的格瑞特系列數碼鋼琴，採用法國音源和國際先進鍵盤技術，目前已得到市場的廣泛認可。 -
Based on the investigation of information resource digitization projects both in domestic and abroad libraries, the authors conclude that this kind of project is a complicated and systematic project, which is composed of main elements such as project planning, source material selection, digitization work flow preparation, digital file storage, metadata extraction, intellection property right management and project management
摘要在對國內外圖書館信息資源數字化項目考察的基礎上，指出這類項目的實施是一個比較復雜的系統工程，其中所包括的主要要素有項目規劃、數字化內容選擇、數字化流程準備、數字文檔保存、元數據析取、知識產權管理和項目管理。 -
This thesis brings forward a fire - new resolvent to uniform search of different platforms and isomerous data source in the course of developing digital libraries of all colleges
本課題對各高校數字圖書館建設過程中出現的對異構平臺、異構數據源的統一檢索問題提出了一個全新的解決方案。 -
The apparatus uses 880, 950nm nir led as light source, interference filter as homochromy device, si photronic as detector. digital signal comes from ad transformation, processed by microprocessor system
以880 、 950nm的近紅外led為光源， 14個窄帶干涉濾光片為單色器，以硅光電池為檢測器，經ad轉換得到數字信號，送單片機處理。 -
The subject derives from electronic equipment bureau of electronic information industry of department of general equipment of china. the subject researches dds ( direct digital frequency synthesizer ) signal source of the frequency agile signal generator. it plays a good role in the important pre - research project that is the test technology of tactics anti - jamming for communication transceiver synthesis
本課題是總裝備部電子信息部電子裝備局下達的預研項目? ? 《戰術抗干擾通信電臺綜合測試技術》中的信號源部分（捷變頻信號發生器中的dds信號源部分） 。 -
The automatic identification of the modulation types has been applied to many fields such as source identification, interference identification, radio interception, - electronic countermeasures, etc. the modulation recognizer based on the decision - theoretic approach and the constellation diagram is proposed and the signal ' s kurtosis is used as the indicator to differentiate the analogue modulation from the digital modulation
通信信號調制類型的自動識別廣泛應用於信號確認、干擾辨識、無線電偵聽、電子對抗和信號監測等領域。本文提出基於決策論與星座圖的綜合調制識別器，使用信號的峰度區分調制類型是模擬調制還是數字調制。 -
Dvb / mpeg - 2 transport stream multiplexer / demultiplex takes an important role in digital video broadcasting system. it can combine several transport streams from source encoder into a single transport stream to transport channel, or demultiplex trasnsport stream into one program sorce to source decoder. its performance has a great influence on the program transmission ability of hdtv system and the decoding quality of decoder in hdtv receiver. mpeg - 2 system multiplexer signalized video, audio, host data and so on to fixed length packet type for making transport stream
Dvb mpeg - 2傳送流復用解復用是數字電視廣播系統中的重要組成部分之一，它將從信源編碼器輸出的多路節目源復用成一路傳輸流送入傳輸通道，或者從通道中包含多路節目源的一路傳輸流中解復用出一路節目送到解碼器解碼。 -
In the experiment, we use the he - ne laser and the semiconductor laser as the source, record the bessel beam patterns behind the axicon by using a digital camera and a microscope, measure the radius of the bessel beam central spot by film - scanning and measure the effect of both the radius of the aperture and the open angle of the axicon on the maximum non - diffraction distance. the experiments show that a specific propagating range has constant power and the beam has a bessel - like distribution in this range. the results agree with the beam corresponding to a diffraction free beam
同時我們還採用膠片掃描的方法測量了無衍射光束的中心光斑尺寸，測量了不同光闌孔徑和不同稜角情況下的最大無衍射距離和傳播軸附近橫截面內微小光孔中的光強，實驗結果顯示當激光光束經過軸棱錐轉換後有一段距離功率變化很小，且分佈近似貝塞爾分佈，符合無衍射光束的特性;經過聚焦后，呈現三維分佈中空的光束bottlebeam ，實驗結果與理論分析基本吻合。 -
Full text retrieval technology and digital information source construction of library
全文檢索技術與圖書館數字化信息資源建設 -
Industrial x - ray detector is specialized for household appliances manufacturer, which is composed of x - ray source, digital x - image receiver, automatic detection table, pick - up head & positioning system and lighting system
工業x射線檢測儀針對元器件製造商專業定製。由x射線發生源、數字x圖像接收器、自動檢測工作臺、攝像頭定位系統及照明系統組成。 -
It not only solves the problem of optimized control of the reactive current exchanging among branches, in other words, realizes the auto - tracking to the reactance factor, but also greatly improved the reliability of the system. to design the high voltage line wireless signal acquisition device with self - feed source, we applied electromagnet induction principle and digital communication technique
系統在優化控制技術中採用了電容器補償控制的兩段控制模型，不僅解決了分支線路之問穿越無功電流的最優控制問題，實現了功率因數的自動跟蹤，而且使整個系統的可靠性大大提高。 -
Based on the above work, the thesis brings forward the hardware platform scheme of the remote electronics experiment platform, which integrates the main experiment board, the signal source, the digital oscilloscope
在此基礎上，提出了集實驗主板、信號源、數字示波器於一體的全數字化遠程電工電子實驗硬體平臺方案。 -
The specifications for digital audio source coding
數字聲音信號源編碼技術規范 -
Sampling rate and source encoding for professional digital audio recording
專業數字錄音的采樣率和聲源編碼 -
This part of work involves several key problems as follows : - 1 ) coupling technology of laser source with the optical fiber ; 2 ) the construction of the sampling device and the selection of relevant parameters ; 3 ) the technical platform for the treatment and modification of fiber / capillary annular column sensing element ; 4 ) the selection of the size or parameters, design, machining and assembly of the sensing instruments ; 5 ) the construction of the multichannel detection system, the collection and processing of the digital signals and the exploiture of relevant software ; and so on
傳感裝置各部件尺寸或參數的選擇，設計、加工和組裝；一5多通道檢測系統的構造，數字信號的採集及軟體的開發；等等。根據我們的設想，我們研製出了基於通用和快速檢測的裸光纖模式濾光傳感裝置和基於多組分同時選擇性響應的修飾光纖模式濾光色譜傳感裝置。 -
There are altogether three main chips in the digital tv ' s receiver, the channel demodulating chip, the source decoding chip and the post - process chip
數字電視的接受機中，主要包括通道解調、信源解碼、視頻后處理三個核心晶元。 -
With the rapid development of information technology, all kinds of portable electronic products and personal digital assistants are coming forth, the information source of these products partly roots in newspapers and journals, if the literal data could be acquired in optical scan mode instead of traditional keyboard input mode, human hands will be further liberated. on the other hand, the digital signal processor ( dsp ) specially designed for high - speed digital signal processing is playing an important role in the digital field, and the dsp with high processing speed and excellent operation performance is particularly adapted to image processing and character recognition. in consequence of this status, making use of new technology, this thesis researches into miniature intelligent reading system based on dsp and then presents a system solution of it
隨著信息化技術的飛速發展，各種便攜式電子產品和個人助理不斷涌現，這類產品的信息來源有很大一部分都是報紙、書刊等文字資料，如果以文字的光掃描輸入取代傳統鍵盤輸入將會進一步解放人的雙手；同時專門為高速數字信息處理而設計的數字信號處理器（ dsp ）也成為數字化領域的重要角色， dsp的高速度和良好的運算性能特別適合於圖像處理和文字識別。 -
The report of chinese literature periodical influence based on cssci is a digital description of source items, citations and periodical influence from 2000 to 2004
摘要基於cssci的中國文學期刊影響力報告是對2000 - 2004年間該學科發文、引文和期刊影響力的數據化描述。
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