輸入輸出序號 的英文怎麼說
中文拼音 [shūrùshūchūxùháo]
輸入輸出序號
英文
inputoutput orders- 輸 : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
- 入 : Ⅰ動詞1 (進來或進去) enter 2 (參加) join; be admitted into; become a member of 3 (合乎) conf...
- 號 : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
- 輸入 : 1 (從外部送到內部) import 2 [電學] input; entry; entering; in fan; fan in; 輸入變壓器 input tra...
- 輸出 : 1 (從內部送到外部) export 2 [電學] output; outcome; outlet; out fan; fanout; 輸出變壓器 output ...
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Please input machine type and serial number or warranty card number of your machine, then system will determine if your machine is in warranty and manufacture date, or status of registration on iws
您只需輸入您的機器型號和序列號或者保修卡號即可獲得機器的出廠日期、保修期和全球聯保登記的的詳細信息。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。This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller
本課題在對低壓電力線的傳輸特性和數字調制技術進行分析的基礎上,將通信理論中的直接序列擴頻技術( dsss )用於解決低壓電力線通信的干擾問題,主要研究內容如下: ( 1 )用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析,分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析,驗證dsss技術在本系統中的可行性; ( 2 )由dsss技術對濾波系統的要求,根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路; ( 3 )用調制解調晶元sc1128和自行設計的濾波器加之輔助外圍電路,構造出低壓電力線載波通信系統,並採用atmel公司的單片機設計了接收和發射電路的微控制器; ( 4 )分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗,並對結果進行分析,驗證了dsss技術對干擾信號的抑制作用。The function of the software use pc - computer to dispose the output signal which is produced by the device as following steps : ( 1 ) to input data by parallel interface ( 2 ) to record and form a file ( 3 ) to demonstrate results step by step ( 4 ) the results could be compiled ( 5 ) it can synthesis in the permitted error scope, substituted original dot for line or arc, finally we could get a graph that is described by some simply curve. ( 6 ) to convert these graph into a program, which used in the cutting process of numerical control. ( 7 ) the software also includes some protective methods
而系統處理軟體的作用是:利用pc兼容機,將上述裝置的輸出信號( 1 )通過并行口輸入( 2 )記錄成文件( 3 )逐點顯示出來( 4 )可人工進行化簡,編輯(刪、改點)等( 5 )可在給定誤差范圍內進行人工擬合,用直線和圓弧取代原來的點,得到一個與原圖形的誤差在規定范圍內,又消除跟蹤過程中因受到各種干擾而造成的缺陷,由盡可能少而簡捷的數學曲線描述的圖形( 6 )把這些圖形轉化成用於編制數控線切割加工程序及autocad能夠識別的文件(主要指dxf格式) ( 7 )該軟體還有一定的加密措施。Digital circuit includes two kinds - the assembly logic circuit and the sequential logical circuit, the characteristic of the assembly logic circuit is that the output signal is only the function which enters the signal and has nothing to do with the entering state at any other moment, it has no function of memory
摘要數字電路分為組合邏輯電路和時序邏輯電路兩類,組合邏輯電路的特點是輸出信號只是該時的輸入信號的函數,與別時刻的輸入狀態無關,它是無記憶功能的。Firstly, the paper models the multivariable discrete state - space model of the air transmission unit by the lab method, using multi - dimensional inverse m series as input stimulus signal
首先利用多維逆m序列作為激勵輸入信號,用實驗法建立出空氣傳送部分的多變量離散狀態空間模型。This control system adopts creditable plc for real control ; it sends many simulating signals collected by old sand temperature of inlet, suction opening temperature of double disk, inner sand temperature of double disk, current of mainframe and current of fan ; meanwhile, the operation signal and switching value signal outputted by material movement transducer is inputted to switching value module of plc ; it gets evidence of water feeding after cpu account ; the operation result of cpu is outputted by switching value of plc to control unlock combination of coarse, middle and thin water feeding electromagnetically operated valve and then gets different water feeding quantity
該控制系統採用高可靠性的plc可編程序控制器進行實時控制,傳感器所採集的入口舊砂溫度雙盤抽風口溫度雙盤內砂溫主電機電流及鼓風機電流等模擬量信號直接輸入plc的模擬量採集模塊,同時加砂設備運轉信號及加砂設備物料移動檢測傳感器發出的開關量信號輸入plc的開關量模塊,由cpu獲取經運算而得到加水計算依據, cpu運算結果直接由plc的開關量輸出控制粗中細加水電磁閥的開啟組合,而得到不同的加水量。The main process includes following : system design, module design, function simulation, time simulation and hardware verification. the whole system is divided into several modules and each module is connected by signals, which based on the arithmetic of uart and the requirement of design. the module design is to design inner circuit structure of each module and uses verilog language to code the code
系統設計是基於uart的實現演算法和設計指標要求,對系統劃分模塊以及各個模塊的信號連接;模塊設計是設計出每個模塊的功能,並用verilog一hdl語言編寫代碼來實現模塊功能;功能模擬和時序模擬使用的工具是以dence的nc _ veri109 ,首先對系統的每個模塊進行功能和時序模擬,模擬通過之後,將整個系統的代碼在外部的輸入埠加上激勵,對整個系統進行功能和時序模擬;硬體驗證是用fpga對系統進行了功能驗證。A testbench program is edited to simulate the behavior of the fifo. after the software simulation is accomplished, a real hardware circuit is designed to multiplex two data channels ( 1553b data channel and 1394 data channel ) according to ccsds standard. during the experiment and hardware debugging, the output logic of the fpga is checked up
設計中,用vhdl語言對高速復接器進行行為級建模,為了驗證這個模型,首先使用軟體進行模擬,通過編寫testbench程序模擬fifo的動作特點,對程序輸入信號進行模擬,在軟體邏輯模擬取得預期結果后,繼續設計硬體電路,設計出的實際電路實現了將來自兩個不同速率的信源數據( 1394總線數據和1553b總線數據)復接成一路符合ccsds協議的位流業務數據。In this paper, we discuss a kind of filter generator whose filter functions have less input bits than the degree of the linear feedback shift register ( lfsr ). by analyzing the structure of the filter generator and its equivalent system, we give out a conditional search algorithm ( csa ) to attack this kind of filter generators
針對濾波函數f ( x )的輸入比特數m少於線性反饋移位寄存器級數n的濾波生成器,本文通過分析其等價的組合生成器的結構,以及不同節拍上驅動序列的各個符號之間的制約關系,給出了廣義解序列的概念,並提出了類似遍歷二叉樹的條件搜索演算法csa ,用於攻擊該類特殊的濾波序列。Secondly, it sets forth the basic principle and constitutes of the full open cnc and so on, and focuses on down - level communication of hardware - function module by using wdm technology, the newest technology developed by microsoft co., and develops a wdm device driver for digital i / o module ( hy - 6140 digital input card ) in pcnc based on windows2000, which can rapidly and correctly reads the digital signal outside from the hy - 6140 digital input card through real testing
然後,闡述了全開放cnc基本原理和構成等,並把重點放在pcnc硬體功能模塊的底層通訊的開發上,採用微軟推出最新一代的wdm技術,在windows2000平臺上為pcnc中的數字i / o模塊( hy - 6140數字輸入卡)開發了一個wdm設備驅動程序,通過實際測試能夠實時準確地讀取外部的數字信號。According to the test conditions, the double polarity inputting mode is adopted in the circuit of voltage - frequency converting part ; storage batteries are used in the optical emission part of optical fibre isolating and transmitting device, that can guarantee isolation between the main circuit and the testing system ; the 89c51 singlechip is used in the singlechip testing - controlling unit, the peripheral circuits are extended, data are transmitted through the serial port in this part ; the p opular software delphi5. 0 is used in the pc part, the communication between singlechip and pc by serial port, plotting of current wave, regulation of data ; the optical - electrical isolating and triggering are used in the controlling part, this can guarantee the veracity and reliability of breakers triggered, this triggering mode is also used in the triggering of the main closing breaker, the tested breaker and the assistant breaker, the triggering signals are sent out by a singlechip
壓頻轉換部分電路中根據實際情況採用了雙極性輸入方式;光纖隔離傳輸裝置的光發射部分電源採用了蓄電池供電,確保了主迴路與測試迴路的完全隔離;單片機測控部分採用了89c51單片機,擴充了外圍電路,通過串口向pc機傳送數據; pc機與單片機之間的串口通訊、波形繪制、數據管理等都採用了軟體delphi5 . 0編寫。該測試系統中預留了輸出口,可以對合成迴路中的主合閘開關、被試開關、輔助開關進行觸發,信號由單片機發出,控制部分採用了光電耦合隔離觸發的方法。軟體設計主要集中在對電流信號的數據採集、數據處理、數據傳送、人機界面、波形繪制和數據管理,軟體部分又可分為單片機和pc機程序設計兩大部分。What ' s more, the methods of using external code in labview are elaborated. in addition, an input - optimizing design method is put forward. the simulation result shows that this algorithm produces a marked effect finally, a new design of the control system of adjustable pressure casting is proposed
然後,提出一種在測試計算機實現的輸入信號設計演算法,對輸入的期望信號進行處理,在不增加控製程序計算量和控制迴路周期時間的前提下,使系統的實際輸出符合設計要求。Thus, the frequency domain adaptive filter is well suited to a multi - narrowband interference scenario, the paper studied frequency domain adaptive algorithms, carried out analysis and computer simulations. simulation results : for gold codes ds - ss signal of length 63, 4 interferences of signal to interference ratio ( sir ) 40 ub or 4 narrowband interferences of signal to interference ratio ( sir ) 40 db and frequency - spectrum bandwidth 12 percent of the whole bandwidth, the sir improvement is better than 20db
模擬結果指出,在輸入信號為干擾是4個等強度的多音干擾或4個頻譜帶寬占信號總帶寬12的強窄帶干擾(干信比為40db )的擴頻信號(碼長為63的gold碼序列)情況下,演算法的干擾抑制比均優於20db 。An improved high - resolution current - mode sorter is presented. its structure complexity is o ( n ), which is crucial to the expansion of its size, and its dynamic range is large. only one clock signal and one reset signal are needed. no biasing signal is required. the operation point is constructed according to the input current, so it is self - adaptive, which is very important for an all - purpose component. in average value circuit, subtraction circuit, winner - take - all ( wta ) circuit and control circuit, it has good performance even at a large input current. this sorter has high precision, high resolution and low power, as has been proved via hspice simulation. it can be implemented in the standard digital cmos technology and widely used in many fields, so it is of great value in applications
提出了一種改進的高精度電流型排序電路.它的結構復雜性僅為o ( n ) ,便於擴展;動態范圍大;它是自適應的,工作點由輸入電流確定,故不需要偏置信號,這對作為通用器件使用的排序電路來說是很重要的.通過利用平均值電路、減法電路、 wta電路和控制電路,可以使該電路在大輸入電流下依然保持高性能. hspice模擬表明該電路具有高準確性、高精度、低功耗的特點.它能用標準數字cmos工藝來實現,可以被應用於很多領域,具有很高的應用價值Chaotic switching modulations generated from different chaos sequences introduce low - frequency output noise ripple : in the cpwm, cppm and ccfmvd, the output noise ripple introduced by henon map chaos sequences is smaller than chua ' s circuit chaos sequences ; in the ccfmfd, chua ' s circuit chaos sequences introduced smaller noise ripple. this clue to us that it is important to choose chaos sequences in applying chaotic modulation to dc / dc converters
不同混沌調制信號對輸出紋波影響的分析結果表明: cppm 、 cpwm和ccfmvd模式下, henon映射混沌序列引入低頻噪聲紋波比蔡氏電路摘要混沌序列要小; ccfmfd模式下,蔡氏電路混沌序列引入的低頻紋波要小。這提示我們:在開關模式電源使用混沌調制控制時混沌序列的選擇也具有重要性。Firstly, according to the requirements of the electric control system, the input and output signals of the central control system are analyzed. and the configuration of the core is based on the siemens s7 - 300. on the basis of the idea of modularized software design, the flowcharts and the corresponding safety and protection design are given
首先,根據電控系統的控制要求,分析了中心控制器的輸入輸出信號,在此基礎上確定了其型號及硬體配置,並基於模塊化的編程思想,設計了主要的程序流程和相應的安全保護措施。It detailedly analysis the computer operation process : picture import and export, module design, datda handle, result output and board automatic number and verticall guide load ; displacements and interal force analyses of all kinds of loads ; combination of internal force
在此基礎上本文進行了lc復合墻結構的計算機程序設計,詳細論述了圖形輸入輸出設計、模塊化設計、數據處理、結果處理、樓板的自動編號及豎向導荷,各種荷載作用下的內力及位移分析,然後進行了內力組合。According to requirements of the development of ltu125a automatic asphaltum & concrete paver, this paper analysed requirements and the functions of paver control system, and described the module architecture of measure and control software, then demonstrated the design of signal input / output program, communication program between measure & control computer and interactive computer and direction processing computer, the main program for measure and control, and interactive program. 2figs., 5refs
分析了攤鋪機測控系統的軟體需求及功能,描述了測控軟體的模塊化結構,討論了信號輸入/輸出介面程序設計、測控機與交互機及方向機之間的通信程序設計、測控主模塊程序及人機交互程序設計等.圖2 ,參4First, an usb high - speed data acquisition card based on the labview platform was designed. conformed to usb 1. 1 protocol, it can support high - speed data transfer up to 12mb / s. the card was characteristic with anolog digit converting with high sample rate of 24ms / s and high - speed counter, belong to this, it can implement as common io
本工作首先設計開發了以圖形化編程語言labview為應用程序開發平臺的usb高速數據採集處理系統,此卡採用usb1 . 1的總線介面協議,每秒傳輸速率達12mb s ,最高采樣率為24msps ,不僅能夠實現對模擬信號的高速採集,一般的輸入輸出( io )功能,而且能夠實現高速的計數功能。分享友人