digital technology experiment 中文意思是什麼

digital technology experiment 解釋
數字電子技術實驗
  • digital : adj. 1. 手指的;指狀的。2. 數字的,數據的。n. 1. (鋼琴等的)琴鍵。2. 手指。
  • technology : n. 1. 技術,工程,工藝。2. 製造學,工藝學。3. 術語(匯編)。
  • experiment : n 實驗;試驗;嘗試 (of) a scientific experiment 科學試驗,科學儀器設備。 a new experiment in ed...
  1. According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also

    根據系統技術要求,採用單片機實現了混合式直流直線步進電動機的開環數字控制;利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定;利用細分控制技術保證了電機運行的平穩性,並進行了波形分析和理論研究;採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題;同時對主功率電路、驅動電路和系統保護電路進行了分析,完成了硬體設計、製作和軟體編程、調試,最後在混合式旋轉步進電動機上進行了全面測試。
  2. Equipped with a specially designed digital control system, the new pick - up and recording head can perform the basic functions of optical data storage, and is used for further experiment with sil and sb super - rens technology. with modified optical pick - up and recording head, a study is made on sil data storage technology. a new remelting process is proposed to overcome the difficulty of manufacturing ball lens with the radius smaller than 0. 5mm

    結合高密度光存儲實驗的具體要求,為改裝后的光學頭設計了專用伺服控制系統,刻錄實驗結果說明建立的數據存儲光學頭系統能很好的完成光學頭系統各種基本功能,其成功建立為進一步的sil存儲實驗以及介質超分辨存儲實驗提供了基本的光存儲刻錄光學系統。
  3. As an experiment of basic course in electronic technology, the project is based on domination principle of digital music player and integrates with the elementary application of multiplexer, flip - flop, counter and rom, which enables students to comprehend these knowledge fully along with acquaintance of technical application and promotes systematic understanding of basic notions, course content and advances the transformation from knowledge to ability

    作為數字電子技術基礎課程的實驗內容,該方案設計以數字音樂播放的控制原理為切入點,結合了數據選擇器、觸發器、計數器和只讀存儲器的基本應用,使學生在充分理解這些知識點的同時了解一些工程應用背景,以形成對課程內容、基礎概念的系統認識,促進知識向能力的轉化。
  4. The results of computer simulation and fpga simulation indicate that the technique is feasible and the experiment ' s results show that the performance of the system is excellent. in this paper, it summarize the basic principles of the if ( intermediate frequency ) digitization technology and detail the design and fpga realization of the digital if receiver system

    在具體實現中,提出了一種基於多相濾波結構來進行抽取濾波的中頻接收機方案,通過計算機模擬,證明了它的可行性,並圍繞此方案完成了數字下變頻硬體系統的設計和調試工作。
  5. We have successfully designed an experiment system for the no invasion blood pressure measurement with our own ip. in our research and develop task we have done a lot work to study foreign instrumen and design ideas. this experiment system is based on msp430 series mpu with excellent erformance and applies advanced digital signal process and intelligent technology. in hardware design, the following means were applied : after a lot of experment and fully knowing about the characteristic of the pulse wave signal, we have designed the accurate and credible circuit to collect the pulse wave signal ; power circuit, communicaion circuit, power drivers circuit have been disigned for the instrument. in software design, the following arithmetic were applied : 1

    軟體方面進行了以下演算法研究: 1 .綜合試驗各種數字信號處理方法對波形進行平滑處理: 2 .採用lms自適應方法對脈搏波信號進行了降噪處理; 3 .應用微分閉值法提高了脈搏波信號的檢出率,有效識別了運動干擾引起的偽波信號; 4 .利用測振法基本原理並進行大量實驗的基礎上,提出了比較準確可行的收縮壓和舒張壓的識別演算法,使測振法在本無創血壓儀中得到了完整而充分的應用。
  6. Transform digital circuit experiment teaching by use of eda technology

    技術改造數字電路實驗教學
  7. We summarized three key points of frequency band extension technology and systematic studied these points by simulation. an experiment executing frequency band extension for a concrete digital measurement system was performed

    最後,我們對數字系統頻帶展寬技術中三項關鍵技術的綜合模擬,並針對一個具體數字系統實施頻帶展寬進行了實驗。
  8. Entropy preservation is considered of the tempest transceiving system. anti - noise performance of the digital interception is also taken into account by both theory and experiment electromagnetic information leakage and its protection & interception technology are studied theoretically and experimentally in this dissertation

    建立了泄漏發射源和偵收系統的信息論模型,討論了tempest收發系統的保熵性,從理論和實驗兩方面開展了數字偵收系統的抗噪聲性能研究。
  9. In order to study the combustion process and the movement of propellant in the barrel, a multi - photo x - ray experiment system was designed. four groups of photos under different ignition systems were obtained, and these photos were manipulated with digital image manipulation technology. the gray degree of the photos was averaged, and the information, such as density, velocity of the projectile and the trace - indicating grains and confliction velocity of the propellant against the projectile under the consideration of the velocity of the projectile, was extracted and analyzed quantitatively

    本文就利用由多幅脈沖x光攝影技術所獲得的四種不同點火條件下的火炮膛內火藥顆粒群運動狀況的陰影照片,進一步利用數字圖像處理的技術及相關演算法,編制軟體對照片進行了處理,統一了照片的灰度,最終在定量上獲得了不同點火條件下的火藥顆粒的密度分佈規律、彈丸和示蹤藥粒的運動速度以及在考慮到彈丸運動的前提下的火藥顆粒與彈丸的撞擊速度。
  10. ( 2 ) a new digital frequency - hopping communication system based on cipher - quasi - chaotic sequence is proposed, which combines the cryptography and frequency - hopping technology. the system ' s protocol, base - band signal processing and modulation / demodulation algorithms of the radio - frequency part are designed, and the hardware experiment conducted on a prototype of the system show that the system functions well. the finite precision problem arising while taking use of chaotic signal to generate pseudo - random sequence is studied and the anti - tracking capability of the cipher - quasi - chaotic sequence is studied with the volterra - tls method proposed in this dissertation

    ( 2提出一種新的基於密碼準混飩序列的密碼與跳頻技術相結合的跳頻通信系統,並且進行了協議部分、拂信號處聊分、射頻調制解調演算法部分的模擬研究和系統的硬體實驗研究;研究了利用混飩信號產生偽隨機序列的有限精度實現問題,利用本文提出的m業肚m 113方法對密碼準混飩序列產生的跳頻碼的抗鵬干擾能力進行了模擬實驗研究。
  11. By designing an algorithm and analyzing experiment results, a novel method based on digital watermarking, which is put for - ward in this paper, has the following characteristic to the anti counterfeit of commercial bills : ( 1 ) the method is very easy to realize. ( 2 ) it can resist scanning and typing. ( 3 ) both scramble encryption and watermark technology have improved the security of the algo - rithm

    通過演算法設計和模擬實驗分析,本文提出的數字水印演算法對票據防偽具有以下特點: ( 1 )演算法簡單易實現( 2 )能夠抵抗票據的列印掃描( 3 )置亂加密和水印兩種技術的結合,提高了演算法的安全性。
  12. I am responsible for the design and development of arm hardware platform for the base station control, which is a part of the tetra digital trunked experiment system that is under research in the communication research center of harbin inistitute of technology

    在哈爾濱工業大學通信技術研究所設計的tetra數字集群實驗系統中,本人承擔了數字集群基站控制器arm硬體平臺的設計與開發。
  13. The moving progress of bubbles is continuously traced by ccd ( charge coupled device ) camera, the digital photographs are captured when the experiment is dealt with using image processing technology, then the shape and scale of bubbles along the height can be obtained

    摘要使用ccd相機連續跟蹤氣泡的運動過程,將拍攝的數位圖像進行處理,從而得到氣泡沿床層高度方向形狀、尺寸的變化。
  14. Integrating with the union numeral watermark technology, this article conducts the research and the model experiment directed mainly at broadcast monitoring application in digital television

    在壓縮域水印中,我們選擇在mpeg壓縮流的直流系數的色度分量上加水印,並且根據其系數值自適應的選擇水印加入強度。
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