數字掃描器 的英文怎麼說
中文拼音 [shǔzìsǎomiáoqì]
數字掃描器
英文
digital scanner- 數 : 數副詞(屢次) frequently; repeatedly
- 字 : Ⅰ名詞1 (文字) character; word 2 (字音) pronunciation 3 (字體) form of a written or printed ...
- 掃 : 掃構詞成分。
- 描 : 動詞1. (照底樣畫) copy; depict; trace 2. (在原來顏色淡或需改正之處重復塗抹) retouch; touch up
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 數字 : 1. (表示數目的文字; 表示數目的符號) figure; digit; numeral; character; numeric character 2. (數量) quantity; amount
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Based pc, d / a convertor and 2 - dimension galvanometer scanning system, laser marking control system is built. coordinate data scanned and kept in the computer are transformed into the analog signals by d / a converter, then control the galvanometer to deflexion
基於pc 、 d / a轉換器和二維振鏡掃描系統搭建激光打標機控制系統,將存儲在主控計算機的掃描坐標點的坐標數據通過d / a轉換,將數字信號轉換成模擬信號來控制振鏡偏轉。This add - in program makes it easy and fast to get pictures from your hard disk drive, scanner, or digital camera into a microsoft powerpoint presentation
使用本加載項程序,可以方便快捷地將硬盤驅動器掃描儀或數字相機中的圖片添加到microsoft powerpoint演示文稿中。Download the photo album add - in program for powerpoint 2000. this feature makes it easy and fast to get pictures from your hard disk drive, scanner, or digital camera into a presentation
使用本加載項程序,可以方便、快捷地將硬盤驅動器、掃描儀或數字相機中的圖片添加到microsoft powerpoint演示文稿中。On the other hand, boundary - scan technique intelligent fault diagnostic method was applied to practice. for most digital system, devices with boundary - scan architecture are broadly used. only using four line or five line to connect pc parallel port with cut tap ( test access port ), all the ptvs can be loaded to cut and all homologous prvs can be taken back to intelligent fault diagnosis system
至於本文採用邊界掃描測試故障診斷技術,是考慮到本系統的通用性和簡潔性,因為對于大多數數字系統而言,具有邊界掃描結構的器件己廣泛應用,本文只需4條或5條信號線就能將pc機和被測邊界掃描電路連接起來,由此極大地簡化了智能故障診斷系統中為實現ptvs加載和prvs獲取而專門設計的介面板電路。Embedded processors dorminate the keyboard, mouse, disk driver, hard disk, display, network card, modem, sound card, printer, scanner, digital camera and usb hub, etc. in the fields of control, communication, instrument, automobile, shipping, aeronautics, military, and consumable, embedded computer is a master
一臺通用計算機的外部設備上就包含了5 - 10個嵌入式微處理器,鍵盤、鼠標、軟驅、硬盤、顯示器、顯示卡、網卡、 modem 、聲卡、印表機、掃描儀、數字相機、 usb集線器等均是由嵌入式處理器控制的。在工業流水線控制、通訊、儀器儀表、汽車、船舶、航空航天、軍事裝備、消費類產品等領域更是嵌入式計算機的天下。The paper lays a strong emphasis on discussing the realization of the autocontrol of raster scanning of the scanner in x - y dimension, the " tapping " of the cantilever of the tappingmode afm by a direct digital synthesizer. then a method of parallel communication between dsp and pc in epp mode is given. finally, the author discussed the digital pid closed loop control of the scanner in z - direction, the automatic approaching of the tip using step - motor, and also some electro - magnetic interferences
論文首先簡單介紹了掃描探針顯微鏡的發展、分類、工作原理及應用;接著對ti公司的tms320vc5402dsp的特點及外圍擴展作了簡單介紹;然後分章節重點講述了利用vc5402dsp實現掃描探針顯微鏡的核心部件? ?壓電陶瓷管的x向和y向的光柵掃描控制;藉助直接數字集成器( dds )實現輕敲式原子力顯微鏡的微懸臂的「輕敲」 ; vc5402dsp的主機介面( hpi )與pc機在增強并行口( epp )模式下的通信;論文最後還介紹了掃描管z向的數字pid閉環控制,步進電機的自動進針,並對實際出現的一些電磁干擾問題作了討論。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。In this paper, a high integrated and intelligent digital dsp - spm system is developed based on the nspm6800 spm manufactured by the beijing zhongke mechanical & electrical equipment co. at present, the pc of spm system is burdened with not only sending and receiving data, but also disposing of image, which hinders the enhancement of speed of the system. in addition, as the function of spm is expanding, including tappingmode afm, efm, mfm, scm, etc, one hand, it amplifies the range of the application of spm, on the other hand it also means that the task of autocontrol and data transfer heavier. the advantages offered by the dsp compared to analog systems include considerable flexibility in the choice of the signal processing algorithm and greater ease in managing control parameters by the host computer, which are very important for the improvement of spm
本課題以北京市中科機電設備公司的nspm - 6800型掃描探針顯微鏡為基礎,重新設計了以dsp為控制核心的控制系統,主要解決原系統存在的以下問題: ( 1 ) pc機既要實時控制數據的採集與發送,又要進行圖像的后處理,整個系統的實時性難以達到要求; ( 2 )隨著spm功能的擴展,一方面包括輕敲式原子力顯微鏡、電場力、磁場力、掃描容場顯微鏡等技術在內的spm技術擴展了儀器的測試范圍和功能,另一方面也意味著自動控制量的增加和數據處理量的增加; ( 3 ) 16位a d 、 d a都採用的是購買的板卡,也通過isa槽插在pc機內,成本高,不利於擴展; ( 4 )另外,數字板通過isa槽插在pc機內,易受于擾,而且給安裝帶來不便。This dissertation first discusses the two - dimension interpolation algorithm and coordinate rotation digital computer algorithm involved in the process of designing system. then the paper particularly probes into the research and development of b - mode digital scan converter, m - mode digital scan converter and graphic circuitry in the digital scan conversion system
本文首先對系統設計過程中引入的二維線性插值演算法和坐標旋轉數字計算演算法進行了討論,然後著重論述了數字掃描變換系統中的b型數字掃描變換器、 m型數字掃描變換器和圖形界面電路的原理、設計與實現。In this paper, we summarize the present testing level of optical aspheric surface, expound the principle of laser wavelength scanning interference testing method, and analyze the laser that can be tuned, and we also study the change of wavelength. further more, we achieve the elementary design of experiment device, curtly introduce the method for interference fringe processing and image processing by matlab
本文對目前國內外的光學非球面的測量現狀作了概略的敘述,給出了激光波長掃描干涉測試方法的原理,對波長可調諧的激光光源進行了分析,對激光器波長的變化進行了研究,對實驗裝置進行了初步的設計,對干涉條紋圖處理方法進行了研究,並通過編寫matlab軟體語言對干涉圖進行了數字化處理。The automobile failure detection is the chief link of the automobile service flow. at present, there are many detection devices ( for example, the automobile self - diagnosis system, the digital meter, the vehicle oscilloscope, the scanner, etc. ), detection methods and techniques. most automobile failure diagnosis must follow a certain detection step ( or procedure )
汽車故障檢測是汽車維修流程的首要環節,目前有許多檢測設備(如汽車自診斷系統、數字萬用電表、車用示波器、掃描儀等) 、檢測方法與檢測技巧等,其中多數汽車故障在檢測時都要遵循一定的檢測步驟(或程序) 。As you know, if you ' ve got tivo or any digital video recorder ( dvr ), the machine tracks your viewing preferences, scans the airwaves to find programs you might like, and records them - - all by its little lonesome
正如你所知道的,如果你有一臺電視節目錄制器或任何其它數字視頻錄像機,它會追隨你的喜好,掃描電波來發現你可能喜歡的節目,並錄制下來- -所有這一切都是它孤獨地完成。The hardware circuitry of the whole digital scan conversion system is realized through the complex programmable logic devices so as to improve stability, flexibility and real - time of the digital hardware circuitry. a high - performance digital scan conversion system is researched and developed
整個數字掃描變換系統的硬體電路都使用復雜可編程邏輯器件實現,增加了數字電路系統的實時性、穩定性和靈活性,設計和實現了一種高性能的數字掃描變換系統。Here ' s how it will work : as in the original plan, the automated microscope will scan the entire surface of the collector, recording digital images of each miniscule portion of the aerogel
它是這樣工作的:與先前的計劃一樣,自動顯微鏡將掃描收集器的整個表面,記錄下氣凝膠每一細微局部的數字影像。The ultrasonic testing system is composed of embedded computer, digital ultrasonic defect detector, auto - scanning device and rs232 - > usb converter. this plays a good hardware foundation for the small - sized and intelligent ultrasonic testing system
本文研製的超聲檢測系統由嵌入式計算機、數字式超聲探傷儀、自動掃描裝置和rs232 - > usb轉換器構成,為研製小型化、智能化的超聲檢測系統奠定了良好的硬體基礎。Main contents are as follows : analyzing structure of image rendering system -, discussing on three factors affecting digital halftoning technique which are threshold choice, choice of image scanning path and error filter coefficient ; probing into merits and deficiencies of existing technique. in the thesis, many new methods or techniques are : 1
其主要內容包括:分析了圖像再現系統的構成;探討了影響數字半色調技術的三大因素(閾值的選取,圖像掃描像素路徑的選取以及誤差濾波器系數的選取) ;討論了現有數字半色調方法實現過程的優點和不足。By using contact scanner, the digital information of foot orthosis can be gathered and the original model of foot orthosis can be built
模型的數字化測量採用接觸式掃描儀採集了足底矯形器的數字模型並存儲在計算機中,形成cad系統中的足底矯形器原始模型。On the basis of previous work, we developed a new data processing system by use of dsp & oop. the new system overcame the problems existed in the old data processing system successfully, such as the bug which cause program dead loop when the data is too long, and the frequency leak due to principle limit of fft filter. in addition, we eliminated the measurement error brought on by phase warp
我們在前人的工作基礎上,利用現代數字信號處理技術和面向對象的軟體開發技術,統一了彈上黑匣子數據處理系統的操作平臺,完善了轉速、掃描角測試數據處理系統,修正了原有處理程序中的因數據長度過長而導致程序死鎖的bug ;利用有限沖擊響應( fir )濾波器,在濾去噪聲的同時,有效地解決了矩形窗fft濾波的頻譜泄漏問題;另外還解決了因相位偏差而導致的測試誤差。The system is mainly made of antenna seat and antenna controller. the antenna seat adopts humorous wave technique and can be directly connected with special computer and achieve numeric control, which has high resolving power of scanning and exact orientation
該系統主要由天線座和天控器兩部分組成,天線座採用諧波傳動技術,可直接與專用計算機對接,實現數字控制,掃描解析度高,定位準確。Compact and modularly built with a footprint of just 0. 8m2, they are the world s first a0 machines that can be stacked or separated. the plotter adopts a universal design allowing easy accessibility for engineering and manufacturing cad printing, copying and scanning. with smooth precision, excellent resolution and remarkable performance, docuwide 6050 6030 optimize office efficiency and maximize bottom line, making them the natural choice for today s engineering input output environments
該數碼多功能一體機docuwide 6050 6030系列具有每分鐘5張a0的速度600 1200dpi質量的輸出解析度自動背景抑制等功能,而且它採用了高性能的控制器,具備高的可靠性和穩定性,實現了快速的數據處理和高性能的圖紙列印輸出它不僅具備復印列印掃描功能,而且能夠實現圖紙及技術資料的電子化管理,充分滿足圖紙的使用部門或管理部門對圖紙和技術文件數字化網路化的需求,實現工程文件和技術文件的統一管理。分享友人