數字變數 的英文怎麼說

中文拼音 [shǔzìbiànshǔ]
數字變數 英文
digital variable
  • 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 ...
  • 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. Digital speech technology has been widely used in many fields of communications in recent years, but it is just at beginning to use acoustical wave to implement underwater digital speech communications, which mainly results from the bandwidth - limited underwater acoustic communications channel and its high temporal and spatial variability

    目前，數字語音技術已廣泛應用於許多通信領域，但是在水下利用聲波進行數字語音通信卻是剛剛起步的新技術，這主要是由於水聲通道有限的通信帶寬及其時變、空變等特性所決定的。
  2. The construction of land use status information system improves the accuracy and the trends of times of land use information, it automatically stores, manages, researches, inquires, counts, analyzes, renews and defends land use status graph which is digital, solves the problem of the renewal of land use status graph and data. it provides not only modern technology means for everyday professional work in county level land management department, but also basic data and scientific basis for land use renewable investigation, dynamic monitoring, land use totality planning. on the other hand, it lays a foundation for the establishment of cropland transform system, land exploitation and readjustment, approvable management system of construction project used land, management system of rural land register

    土地利用現狀信息系統的建設，提高了土地利用現狀信息的準確性和現勢性，實現了對土地利用現狀圖件的存儲、管理、檢索、查詢、統計、分析、變更、維護的數字化和自動化，從根本上解決了土地利用現狀圖及數據的更新問題，不僅為縣級土地管理部門的日常業務工作提供了現代化的技術手段，而且為土地利用變更調查、動態監測、土地利用總體規劃提供了基礎數據和科學依據，為農地轉用制度、土地開發整理、建設項目用地審批管理制度及農村地籍管理制度的建立莫定了現代化基礎，同時也可為土地利用動態監測、土地利用規劃、建設用地的審批和管理提供技術服務。
  3. Optical zoom actually gets a closer shot, while digital zoom essentially just crops an image tighter

    光學變焦可以真正得到一個更近的鏡頭，而數字變焦基本上只是把圖像裁切得更緊湊。
  4. Due to the hardware characteristic ' s limitation, such as the poor speed of a / d, d / a conversion and dsp process, the most part of sr system adopt middle course. that is to say, by using the special digital converter or running relevant arithmetic, it converts the radio signal to intermediate frequency signal and completes the base - band signal process that is n ' t the veriest sr and is named " software defined radio ( sdr ) "

    由於受到硬體性能如a d 、 d a及dsp晶元處理速度的限制，目前的軟體無線電系統多採用折中的實現方案，增加專用的數字變頻器或者運行數字變頻演算法，將射頻信號變頻到中頻，然後再進行基帶信號處理，這樣的軟體無線電系統又被稱之為「軟體定義無線電」 ，它並不是真正意義上的軟體無線電。
  5. 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。
  6. 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。
  7. This is a digital camera. it ' s actually a storage media, with a lcd display and usb interfaces, and functions such as storage, tuning, digital zoom

    這是一臺數碼相機。它簡直就是一個可以儲存的媒體，有液晶顯示屏和usb介面，功能有儲存、畫質選擇和數字變焦等等。
  8. Scm as control core applied in the variable axial piston pump is introduced briefly in the paper, including structure and work principle

    摘要本文介紹了基於單片機控制的數字變量軸向柱塞泵的結構組成、工作原理，並理論推導了數字泵的輸出流量與輸入脈沖信號呈線性關系。
  9. This more detailed form of permission has variables that represent each kind of access as a number from zero meaning no access at all to some higher number meaning totally unrestricted access, with a few levels between the two

    這種更詳細形式的權限擁有多個變量，這些變量將每種訪問權表示為一個數字，該數字介於零（表示根本沒有訪問權限）和某個較大的數字（表示完全無限制的訪問權限）之間，兩個數字之間有若干級別。
  10. 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。
  11. 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。
  12. 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。
  13. Mathematical expressions in w3eval are built of numbers, variables, operators, functions, and parentheses

    W3eval的數學表達式由數字、變量、操作符、函數和括號組成。
  14. Does this camera have optical or digital zoom

    這架相機使用的是光學變焦還是數字變焦？
  15. In image enhancing aspect, it studies medium filtering algorithm ~ vector filter and image sharpen algorithm. according to the characteristic of digital sampling, a new image sharpen algorithm is given, and it is more effective. in image compressing aspect, it mainly studies the jpeg algorithm

    在圖像增強方面，主要研究了中值濾波演算法、矢量濾波演算法、銳化演算法以及兩種數字變焦演算法，並根據數碼相機采樣的特點，提出了一種更適合於數碼相機的銳化演算法，取得了較好的效果：在圖像壓縮方面，主要研究了jpeg壓縮標準及順序演算法實現，並將這些演算法用於軟體開發中。
  16. This number varies across national statistical systems

    這個數字變化貫穿了國家統計系統。
  17. Based on the digitizing data of the land use map of the taiping st. area in wenling city between 1996 and 2001, the characteristics of land use changes were analyzed

    基於土地利用圖的數字化數據，分析了1996 - 2001年溫嶺市太平街道土地利用的動態變化及其景觀生態效應。
  18. Pedodiversity is a new theory and method based on biodiversity conception in ecology but applied to non - renewable non - biological resource that was developed since the 1990s. this paper applied pedodiversity analytical theory and method to analyze the spatial variability of the soils developed on different parent materials and terrains, the data source is 1 : 1, 000, 000 scale soil and terrain digital database ( soter ) of shandong province, china

    土壤多樣性理論是20世紀90年代發展起來的、基於生態學中生物多樣性概念但應用於不可再生性非生物資源的一種新的理論與方法.本論文應用土壤多樣性分析理論與方法，以山東省1 ： 100萬土壤-地形體數字化數據庫（ soter ）為數據源，對不同母巖、不同地形上發育的土壤空間可變性進行了研究。
  19. First, the thesis introduced conception and characters of software radio ; second, the thesis analyzed architectures of software radio ; third, the thesis discussed critical technologies of software radio and applications of dsp in software radio, moreover, realized arithmetic of crc coding, convolution code, orthogonal digital frequency conversion and multi - speeds signal process ; finally, the thesis prospected foreground of software radio

    本文首先介紹了軟體無線電的概念和特徵，接著分析了軟體無線電體系結構，論述了軟體無線電的關鍵技術及dsp在軟體無線電中的應用，在tms320c54x上實現了crc編碼、卷積碼，完成了正交數字變頻和多速率信號處理的dsp演算法，最後展望了軟體無線電的應用前景。
  20. Without the numeric parameters, the individuals actually seemed to do better, perhaps because mutations are less likely to damage the dna when instructions are simpler

    沒有數字參數，個體實際上似乎做得更好一些，可能是因為在指令較簡單時，變異不太可能損壞dna吧。
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