數字變換 的英文怎麼說

中文拼音 [shǔzìbiànhuàn]
數字變換 英文
digital conversion
  • 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 ...
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 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
  1. Applying the information extracted from numerous hydrographic data of field trials collected by h / hcs - 017, the first set of multi - beam swath bathymeter developed in china, a series of mosaic techniques have been carefully studied in this thesis, including digital terrain model building, statistical error analyzing, hydrographic data mosaicking as well as tides correction and projection of the earth coordinates. finally, standard digital sea - charts and three dimensional seafloor images are successfully developed that are consistent with hydrographic surveying principles

    本文利用我國第一臺h hcs ? 017型條帶測深儀的測量數據進行拼圖技術的研究，主要研究的內容有：利用分帶原理對深度數據進行潮汐修正，得到瞬時海面的深度數據；對測深數據進行誤差分析處理，去除野值；將多波束數據進行坐標變換及投影轉換后構建數字地理模型，進而根據海道測量規范繪制標準海圖。
  2. This paper refers to several creation in compatibility with large volume of fed display and conversion of different video signal. it firstly used special central chip al300, designed correlative circuits, successfully developed vga full - color fed console system, compatible with resolution 1280 1024, achieved functions such as multi - video signal conversion and interleaving, met vga ’ s resolution of fed. it firstly designed and fabricated vga interface and separated video interface - - s - video, converting several video signals to 24 bits full - colored digital image signal in fed driving system, achieved separation of luminance signal and chromatism signal, enhanced the bandwidth of luminance signal

    首次採用平板顯示專用控制晶元al300 ，設計並製作了相關配套電路，支持的最高解析度是1280 1024 ，實現解隔行和多種視頻格式轉換的功能，滿足了fed顯示屏對vga解析度的要求。首次在基於fpga的vga級彩色fed控制系統中設計並製作了vga介面和分離電視信號s - video介面，可以將多種視頻信號變換為fed驅動系統可用的24位彩色數字圖像信號，實現亮度信號和色差信號的分離，提高了亮度信號的帶寬。
  3. 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。
  4. Dsp chip is especially fit for digital signal processing, its main application is realizing all kinds of digital siginal processing arithmetics such as clove hitch 、 correlation 、 all kinds of transforms etc. realizing digital filters with dsp is an important application

    Dsp晶元是一種特別適合於進行數字信號處理運算的微處理器，其主要應用是實時快速的實現各種數字信號處理演算法，如卷積、相關以及各種變換等。其中，利用dsp來實現數字濾波器就是很重要的一種應用。
  5. We also researched the frequency structure of ddc and interchanged the filter multiphase heft and taking out - operation using the theory of equivalent counterchange in multisampling system

    從理論上研究了數字下變頻的頻譜結構，利用多采樣率系統中結構的等效變換原理，將濾波器多相分量與抽取操作進行互換。
  6. A digital watermarking technique based on dwt

    基於離散小波變換的數字水印技術
  7. The digital audio watermarking algorithm based on dwt

    基於倒譜域變換的數字音頻水印演算法。
  8. For the anticounterfeiting of printings ( such as certificate ), the existent many ways ( such as rainbow holograms ) are not available as the need for special use : anti - distortion and anti - copy. basing in the double - random - phase transform, this article puts forward a new way that two - dimensional bar code is used as anticounterfeiting label with anti - printing ? scanning and anti - damage properties. the major job are : ( 1 ). basing in the ascii codes, numerals and alphabets are encoded and subsequently transformed into two - value bar code matrix figure. later, using amplitude - based double - random - phase transform, the enciphered gray scale figure is formed. by computer simulation ( 4f system ) and printing as well as scanning ( 20 times ), we get the result that the gray scale figure with little miscoding rate ( 0. 0026 ) by “ matrix expanding way ”

    本文主要開展了以下三項研究工作: （ 1 ） .用自定義編碼方案，將數字和字母（ ascii碼）轉換成二值條碼圖;對該圖形進行振幅型雙隨機相位加密變換，得到原信息的加密灰度圖;通過4f光學系統計算機模擬和列印-掃描實驗，證明本文提出的「矩陣擴展法」灰度圖具有較小的誤碼率，對於20次列印-掃描實驗，誤碼率不大於0 . 0026 。
  9. Digital watermarking algorithm based on wavelet transform, making use of relative frequency equability feature of low - frequency that comes from image ' s mra decomposing and according to size between insert point value and its region mean value, is that two - value watermarking is hid in insert point

    基於小波變換的數字水印演算法充分利用了圖像經過多分辨分解后低頻圖像的頻率相對平穩特性，並依據嵌入點值與其區域均值的大小，將二維二值水印信息隱藏到嵌入點。
  10. Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test

    監測儀能夠完成包括三相電壓、三相電流的有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內的諧波、諧波相位、諧波失真總量等的測量。論文重點介紹了以下幾部分： （ 1 ）電路的總體設計和功能； （ 2 ）硬體設計，包括a d轉換、鎖相環、液晶顯示和按鍵輸入等原理和電路。 （ 3 ）系統軟體設計，包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上位機監控界面的設計； （ 4 ）系統測試。
  11. The watermark is embedded in the lpm of fourier magnitude spectrum of the original image, and a small portion of resulting lpm spectrum is used to calculate the watermark positions

    在文章中，首先對原始圖像進行傅里葉變換，然後再將數字水印嵌入在該傅里葉變換的幅度頻譜的對數極坐標域。
  12. In the digital inverter, we adopt the technology of digital dynamic waveform correction, which can compensate the delay between control signal and output waveform, and ensure the accuracy of control. at the same time, the technology of digital dc component adjustment was introduced, by which we can exactly compensate the control signal, and realize adjusting dc component of output on the premise of output performance

    在基於dsp的數字變換器平臺中，採用全數字波形校正技術，完全補償了控制信號延時、功率管開關延時以及死區時間對輸出spwm波形所產生的畸變，充分保障了變換器控制的準確性；採用數字直流分量調節技術，可以精確地對控制信號進行補償，在充分保證輸出性能的前提下，實現了輸出直流分量的調節。
  13. Just as visual basic has a function for converting numbers to text, it also has functions for converting variables from one numeric data type to another

    Visual basic不僅有將數字轉換為文本的函數，還有將變量由一種數值數據類型轉換為另一種數值數據類型的函數。例如，在處理
  14. The next 12 lines have the net effect of transforming the date to a three - letter format, with the last line removing the three slashes from the date

    後面12行的最後效果是將數據變換成三個字母的格式，最後一行從數據中除去三個斜杠。
  15. Meanwhile the paper analyzes the deficiency of current transmission coding and describes a new data transformation method, base91 coding with high encoding efficiency but low data extension

    論文同時分析了現有的電子郵件系統傳輸編碼存在的缺陷，提出了一種利用編碼效率高、數據擴展率低的數字數據變換方法：基數- 91編碼來提高編碼效率。
  16. Furthermore, it is easy to use different control strategy in the digital inverter, so different pwm control can be used, in order to optimize the design of output filter and improve the output performance

    同時，在數字變換器平臺上可以方便地實現各種控制策略，達到進一步優化輸出濾波器參數、提高輸出電能質量、提高變速恆頻電源整體效率等目的。
  17. Then on the basis of those, a model of software radio receiver is given. operations are determined using hardware whose configuration is under software control. finally, the circuits are realized with simulation in order to prove the discussed schemes

    然後建立了軟體無線電接收機的數學模型，盡可能的簡化射頻模擬前端，將模數數模變換器盡量靠近天線，在對信號充分數字化的基礎上依靠軟體來定義無線電的各項功能。
  18. Do anything you like with figures juggling

    188你可以隨心所欲地用這些數字變換花樣。
  19. 2. to implement the conversion of signal, a multi - channel time / data convert module with high precision and programmable time resolution is used. its characters and usages, including the theory and the software configuration program by using the chip sn74 | act8990, are introduced in the dissertation

    2 .為完成信號的轉換，儀器選用了一個多通道，高精度、具有可編程時間分辨能力的時間/數字變換模塊（ tdc ） ，論文介紹該模塊的特點，以及在課題中的使用方法，包括實現其軟體配置的晶元sn74act8990的原理和編程方法。
  20. In order to obtain three - phase four - line ac output, system applied the four - legged main circuit topology. with the 3d - svm, the power system realizes voltage regulation and three - phase four - line output. meanwhile, this kind of control is easy to be realized in the digital inverter

    為實現三相四線的交流輸出，變換器電路採取四橋臂新型拓撲，其控制採取了三維空間矢量調制，實現了變換器的在線調壓及輸出中點的形成，具有良好的動靜態性能，且這種控制思想可以方便地在現有數字變換器平臺上實現。
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