程序控制時鐘 的英文怎麼說

中文拼音 [chéngxùkòngzhìshízhōng]
程序控制時鐘 英文
programmable clock
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  • 控 : 動詞1 （告發;控告） accuse; charge 2 （控制） control; dominate 3 （使容器口兒朝下 讓裏面的液體慢...
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 鐘 : Ⅰ名詞1 （用銅或鐵製成的響器） bell 2 （計時器） clock 3 （指鐘點、時間） time 4 （沒有把兒的杯子...
  • 程序 : 1 （進行次序） order; procedure; course; sequence; schedule; ground rule; routing process 2 [自動...
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  • 時鐘 : [電學] [半] clock時鐘計數器 [自動化] clock counter
  1. Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo

    本文首先對數字減影血管造影（ dsa ）成像系統的組成結構和數據流向進行了深入研究和分析，並對系統中的數據流向進行了完整的歸納和總結，給出了x線數字成像系統中的高速大容量數據通道的設計方案；在對sdram的控制方式做了深入探討后，給出了實現大容量多條sdram共同工作的解決方案，在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲；通過對pci總線介面的深入研究，優化後端狀態機設計和低層驅動程序開發，給出了完整的pci介面方案實現高速dma數據傳輸，完全可以滿足視頻傳輸要求；深入研究了基於大規模可編程器件的數字系統設計方法，針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點，提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案，從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。
  2. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  3. Make clear the procedure of sending and receiving packet of kernel and the implementation of traffic control. the special mechanism in linux such as wait queue, task queue, time interrupt is also explained. after analyzing the file system of linux at large, we bring forward the design of modifying of file system. since many little file is created during the service of email and file service, we introduce the non volatile random access ram, by modifying the arithmetic of file system, changing the data flow of file system

    本文詳細介紹了針對網路專用服務器的專用linux系統的設計，對linux文件系統進行了詳盡的解析，包括vfs的實現， buffercache的作用等；並對塊設備驅動程序在內核中各個介面進行了分析；解析了內核接收和發送數據包的全過程以及流量控制在內核中的全過程；並對linux系統的一些特殊的機制如等待隊列，任務隊列，時鐘中斷等進行了詳細的解釋。
  4. Through clock circuit of hardware and device driver program of software, this paper realizes real - time cortrol, moreover, by making use of event synchrocyclotron mechanism, resolves the interrupt problem

    摘要運用硬體上的時鐘電路和軟體上的設備驅動程序實現了實時控制，並採用事件同步機制解決了中斷問題。
  5. Software framework is put forward based on the technical programming the cmos / real timer clock, adopting vtoolsd to programme vxd and real - time position control of servo electromotor is realized. so the key problem of developing nc in the windows is solved

    該系統的軟體結構通過對系統cmos實時時鐘（ rtc ）編程實現高精度定時硬體中斷，利用vtoolsd編寫了虛擬設備驅動程序（ vxd ） ，實現了對伺服電機的實時位置控制，從而解決了在windows環境下開發數控系統的關鍵問題。
  6. 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。
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