d-digital design 中文意思是什麼

d-digital design 解釋
三維數碼設計
  • d :
  • 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。
  • design : vt 1 計劃，企圖，立意要…。2 指定，預定；留給，留著。3 設計，草擬，擬定，籌劃；起草，畫草圖，打（...
  1. 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。
  2. Secondly, the artificial neural networks and mixed evolutionary computation are employed into the mathematical simulation of complex geological structure, and with gis and visualization technique, the method of geological digital 3 - d modeling and visualization is presented. so, not only the functions of making geological section and querying spatial information could be achieved, but also the spatial distribution of geological structures and their complex relationship could be described visually. thereby an interactive and convenient way for engineering geological design could be actualized

    （ 2 ）提出了復雜地質構造數學模擬的神經網路方法與混合進化方法，並利用gis技術和可視化技術，深入研究了數字地質三維建模及其可視化方法，實現了地質三維任意剖切、信息空間查詢與管理等功能，從而為直觀描述地質構造的空間展布及其相互間的復雜空間關系，以及快捷、交互地進行工程地質設計提供了新的途徑與手段。
  3. At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder

    硬體方面，採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感應移相器位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的檢測功能。
  4. This dissertation majorly researchs and designs full digital dc driving system with fuzzy control. it makes a scheme argumentation firstly, analyzing the pid algorithm and fuzzy control algorithm the ordinary digital pulse trigger algorithm and the double remainder method of pulse trigger in detail, and fuzzy control and the double remainder method are put forward to settle the under - mentioned problems, namely, the new viewpoint and the task having finished in this dissertation as follows : ( 1 ) in rder to overcome the influence of dc motor ' s parameter changing with time and nonlinear on the control system performance, this dissertation adopts fuzzy control as outside regulator and pi control as inside regulator in double regulators of the full digital dc motor driving system design ;. ( 2 ) aiming at the pulse trigger reliability of the ordinary d igital pulse trigger being low and leaking the pulse or the order of pulse confusion, this paper adopts the double remainder algorithm with short response time high pulse trigger reliability good adaptability and anti - jamming ; ( 3 ) this dissertation adopts tms320lf2407 which has good performance as major control chip this chip has power function with fast calculation capability, and accomplishes the software and hardware design in the dc motor driving system with fuzzy control ; ( 4 ) this dissertation also puts emphases on anti - jamming in hardware and software ; ( 5 ) after having designed the sample of full digital dc motor driving system with fuzzy control, a lot of experiments are performed to verify the performance and settles problems during experiment. the result of experiment proves the feasibility of design

    首先進行了方案論證，對模糊控制演算法和數字pid調節演算法、觸發脈沖的一般演算法和雙余演算法進行了詳細地研究分析，提出應用模糊控制和雙余法解決下述問題，即該論文主要的新見解和所完成的工作： （ 1 ）為了克服直流電機參數時變性和非線性因素對控制性能的影響，本設計中，雙閉環調速系統的外環採用模糊控制，內環採用pi控制，使系統在一定范圍內對直流電機參數變化和非線性因素影響有自適應能力； （ 2 ）針對常規數字觸發器演算法中觸發脈沖的可靠性不高，經常出現漏脈沖或是脈沖混亂的情況，本文採用雙余法，該演算法具有響應快，可靠性高，具有良好的適應性及抗干擾能力； （ 3 ）本設計中採用了速度快、功能強的tms320lf2407作為系統的主控晶元，應用該晶元完成系統的軟硬體設計： （ 4 ）本文對系統抗干擾的軟硬體措施進行了重點研究； （ 5 ）設計了具有模糊控制的全數字直流傳動系統原理樣機，並進行了試驗驗證，對試驗過程中出現的問題及時解決，最終實驗結果證明設計是可行的。
  5. The design of hardware module includes a / d converter, ddc ( digital down converter ), duc ( digital up converter ) and dsp. the design and application of ad6640 and ad6624 are fully discussed in this part. the design of software module includes the parameter design for ddc filter and the base - band signal processing of dsp

    收發信機硬體設計主要包括： a d 、 d a轉換器、數字下變頻器（ ddc ） 、數字上變頻器（ duc ）以及dsp ，論文詳盡介紹了a d器件ad6640 、 ddc器件ad6624和dsp器件tms320c5410的設計和應用；收信機軟體設計主要包括： ddc濾波器參數設計和dsp的基帶信號處理，給出了dqpsk調制、解調演算法的dsp實現。
  6. In hardware design, a / d, mt8880, serial port communication module and other interface circuit are described. in software design, the related algorithms such as scale transform, digital filter, digital zero, dtmf communication and repeated output program are considered

    硬體設計主要介紹了a d轉換、 mt8880 、串列通信等模塊和介面的電路設計，軟體設計主要介紹了程序設計中比較關鍵的標度變換、數字濾波、數字調零和重復輸出等數據處理的演算法以及利用dtmf信號實現數據採集器和監測站傳輸數據的通信軟體設計。
  7. Analyze, design and simulate the digital down - convert frequency. first, the analogue if signal is converted to digital if signal in one a / d convertor which used passband sampling theory. the digital if signal is then passed to a pair of digital mixers operating in phase quadrature for mixing the if signal to baseband signal

    首先利用帶通采樣定理對中頻模擬信號進行a / d變換后將其混頻到基帶，然後用平方根升餘弦滾降濾波器同時完成低通濾波和匹配濾波雙重作用，以提高解調器的效率。
  8. A incubator company gives key supports to digital entertainment, advertisement conference & exhibition, design originality, chinese herbal medicine culture etc. and is engaged to delivering entered enterprises with all - around service covering talent education and training, technology r & d and services, research achievement transference and promotion, and more, in an attempt to assist enterprises in solving issues in the course of enterprise growth concerning talent, technology, capital, marketization etc

    公司重點扶植數字娛樂、廣告會展、設計創意、中醫藥文化等方面的企業發展，為入駐企業提供全方位的服務，包括人才教育與培訓、技術研發與服務、成果轉化與推廣等多項服務，幫助企業解決在發展中遇到的人才、技術、資金、市場化等問題，協助企業迅速成長。
  9. Incubator company gives key supports to digital entertainment, advertisement conference & exhibition, design originality, chinese herbal medicine culture etc. and is engaged to delivering entered enterprises with all - around service covering talent education and training, technology r & d and services, research achievement transference and promotion, and more, in an attempt to assist enterprises in solving issues in the course of enterprise growth concerning talent, technology, capital, marketization etc

    公司重點扶植數字娛樂、廣告會展、設計創意、中醫藥文化等方面的企業發展，為入駐企業提供全方位的服務，包括人才教育與培訓、技術研發與服務、成果轉化與推廣等多項服務，幫助企業解決在發展中遇到的人才、技術、資金、市場化等問題，協助企業迅速成長。
  10. Tms320c5402dsp was used in the design to replace six scm those was used in the automatic biochemical analyzer now and to control system, cpld epm7128 offer logic circuit to the system. a 16 - bits high - speed a / d conversion device a / d976a replaced a / d574 to complete digital - analog conversion

    本系統設計中採用一片高性能的dsp （數字信號處理器） tms320c5402代替了目前生產的全自動生化分析儀的六個單片機完成系統控制，用可編程邏輯器件epm7128提供所需的邏輯信號，採用16位高速a d轉換器ad976a取代以往的ad574完成模數轉換。
  11. A system design of the circulation function therapeutic instrument of brain is presented in this paper. an integrated prototype is composed of at89c55 used as system controlling module and a / d, d / a converter and liquid crystal display device used as a terminal display module to realize the output of dynamic load and permanent flow through digital synthesis

    本文提出了一種設計智能腦電治療儀的系統方案，以at89c55為核心控制模塊，輔以d / a 、 a / d成為全反饋閉環系統，使用液晶顯示器為終端顯示設備，實現數字合成動態負載恆流輸出。
  12. After a brief discussion about the dso theories and its system construction, we go on with the hardware circuit designs of dso, namely, anologe channel, fpga, dsp, a / d converter, lcd. the main part of this paper focus on the design of the peripheral controller, which is implemented by fpga and almost includes all of the digital circuits of the dso

    在對示波器工作原理和系統結構進行簡要的討論之後，本文對dsp核心控制電路、 fpga晶元和外圍電路、 lcd顯示控制器、模擬通道、高速a / d轉換等示波表系統的硬體電路的設計進行了簡單介紹。
  13. Summarization of sdr 2. hardware design of a multi - channel digital receiver based on sdr and the new adc device ad6652 including system, a / d, dsp and power etc. 3

    2 .基於軟體無線電及高速adc器件ad6652的多通道數字接收機硬體電路設計，包括系統、 a / d 、 dsp和電源等。
  14. Professor chen obtained his ph. d. in organic chemistry in 1971 from oklahoma state university in the united states. in 1973, he joined eastman kodak company and engaged in the design and synthesis of optoelectronic materials and the development of various digital imaging technologies

    陳金鑫教授於一九七一年在美國俄克拉荷馬州國立大學取得有機化學博士學位，並於七三年加入伊士曼柯達公司，負責有關光電子的設計及合成，以及多種數碼影像技術的開發。
  15. With the project " the construction of digital mock - up for some brand of car " supported by some automobile corporation, ltd. and the project " the rapid development and variant design of some brand of motorcycle " supported by some motorcycle corporation, the author summarizes the experience of 3 - d reconstruction for virtual prototyping, and provides sound proof for the viewpoints in the thesis

    結合某摩托車廠利用先進技術開發具有自主知識產權的新款摩托車項目和某汽車集團實施虛擬樣機技術項目的具體實施方法和技術流程的實踐基礎之上，總結面向虛擬樣機技術進行三維重構的實施經驗，同時也為論文提出的見解提供了有力的佐證。
  16. This system combines intelligent measuring instrument with eda and asic design technology, computer hardware and software technology, digital signal processing together. the system hardware includes high - speed data acquisition circuits, analogue signal conditioning circuit, a / d conversion ; fpga circuit with controlling and processing functions and pci interfacing

    系統硬體部分主要有模擬信號調理電路和高速a d轉換晶元組成的數字採集電路； fpga組成的控制和數字信號處理電路； pci介面晶元組成的介面電路。
  17. The automotive ergonomic design oriented digital 3 - d human - modeling system makes it possible to integrate automotive ergonomic design into the 3 - d computer - aided automotive design environment. it will reduce ergonomic redesign count, shorten the developing cycle of bodyworks, and decrease the manufacturing cost of automobile products

    面向汽車人機工程設計的數字化三維人體建模系統，使汽車人機工程設計能夠集成到已有的汽車設計三維cad環境，有助於減少人機工程設計方面的返工、縮短車身開發時間、降低整車製造成本。
  18. The thesis includes the design of hard circuit, pcb ( printed circuit board ), driver and application soft involving a / d board and d / a board. the detailed functional modules consist of multiplex signals select module 、 analog digital conversion module 、 digital analog conversion module 、 pci protocol conversion module 、 driver and magnifying module 、 control logic 、 clock circuit and configuration circuit. the importance of the thesis is a / d board

    本課題包括硬體電路、印刷電路板（ pcb ） 、驅動程序和應用軟體的設計，涉及a / d板和d / a板兩大塊部分，具體的功能模塊包括多路信號選擇模塊、模數轉換模塊、數模轉換模塊、 pci協議轉換模塊、驅動放大模塊、控制邏輯、時鐘電路和配置電路，其中重點是a / d板部分。
  19. So in this paper, the principle of electroptical non - invasive dual - ray methods are fist present in detail. in the theorem of simple structure and low power consumption, we select detecter with fitble wavelenth and low power msp430 processor, and design high stable ray - emitt circuit, low noise pre - amplifier, background disturbance counteract circuit, the signal are low - filtered and sent to msp430 " a / d transform directly to digital signal processing

    為此，本文詳細分析了光電無創雙光束法測定脈搏血氧飽和度的基本原理，在結構簡單，功耗小的原則下，選用合適發光波長的探頭和信號處理器，設計出光強穩定的發光電路，低噪聲前級，以及本底干擾對消電路，通過兩級低通直接送至ti公司的超低功耗混合信號處理器msp430進行a / d變換得到原始的數字信號。
  20. It includes the design of trigger circuit, high speed clock circuit, a / d digital and data acquisition circuit, time inter - plug circuit and pci interface circuit 。 3. the function debug of hardware and the result analysis

    主要包括觸發電路的設計、高速時鐘電路設計、 a / d數字化與數據採集電路設計、時間內插電路設計和pci總線介面設計。 3 .硬體功能調試及其結果分析。
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