現時統計數字 的英文怎麼說
中文拼音 [xiànshítǒngjìshǔzì]
現時統計數字
英文
current statistics- 現 : Ⅰ名詞1 (現在; 此刻) present; now; current; existing 2 (現款) cash; ready money Ⅱ副詞(臨時; ...
- 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...
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 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 ...
- 現時 : now; at present
- 統計 : 1 (對有關數據的搜集、整理、計算和分析) statistics; census; numerical statement; vital statistic...
- 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
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The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production
本文展開研究並取得一定成效:構建了基於pci總線的微機實時圖像採集系統;在採集的布料總圖(鳥瞰圖)的基礎上,通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理,提取布料圖像的邊緣,對輪廓的矢量化的象素點進行搜索,得到相應的圖案矢量圖,從而確定絎縫的加工軌跡,生成加工指令;在進給加工過程中,主計算機對動態局部圖像與總圖(鳥瞰圖)的對應部分進行圖像相關的匹配計算,應用數字圖像理論,結合神經網路計算的改進最速下降法和模擬退火演算法,提出獨特而有效的相關迭代初始值賦值方法,形成穩定、高速和準確的相關運算,實現單針絎縫視覺測量和自動控制。On the basis of realizing the fire - control real - time simulation system in the antiaircraft artillery weapon system, this paper designs and constructs the distributed weapon system numerical simulation platform based on ethernet, which uses the simulation technique, network communication technique and virtual reality technique. the platform is used for researching and realizing the antiaircraft artillery training simulator. also, it can be integrated with the actual equipment to construct semi - physical simulation system to make the theoretical validating experiment
本文以實現高炮武器訓練系統中的火控系統的實時模擬為基礎,運用模擬技術、網路通信技術、虛擬現實技術,設計並構建了一個基於以太網的分散式自行高炮武器模擬訓練系統通用數字模擬平臺,既可用於模擬訓練系統的研究和實現,還可和實際裝備集成以組成半物理的模擬系統,進行實際系統的原理性驗證實驗。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。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。After all, hong kongs economy fared pretty well even before we had detailed balance of payments statistics to worry over, and the history books suggest that disraelis did too
歸根究底,即使我們以往並無編制國際收支平衡的詳細統計數字,本港經濟仍有不俗的表現。翻查歷史資料,其實迪斯累里在任的時候,英國的情況亦是如此。In modem torpedo homing technology, in general, advanced algorithm of signal processing must take longe time in computing, so it is clear that we need to use high - speed signal processor system to do it in real time
在現代魚雷自導技術中,一般的信號處理先進演算法計算量都相當大,要求用高速并行數字信號處理機系統才能實時完成。本課題提出了基於adsp ? 2106x完成魚雷自導演算法。Giving the goal and conceptual design, this paper pays attention to expatiate how to practically use the techniques of image - processing, communication and recognition in remote image monitoring system, and discusses how to realize the key techiques such as terminal connection and frame design, platform decoding control and alarm, image communication and track, etc. in order to overcome most existing image monitoring systems " shortages - those systems are at low intelligent level, need overfull manual work and ca n ' t work all day, this paper has adopted the advanced image code / decode technology and digital image transmission technology, and has applied the intelligent image processing and recognition technique to the display, adjust and track of images
本論文在設計圖像監控系統的建設目標和總體方案的同時,重點闡述了圖像處理、通信與識別技術在遠程圖像監控系統中的應用實現,給出了圖像監控系統中的終端接入和框架設計、雲臺解碼控制與報警、圖像通信和圖像跟蹤等關鍵技術的實現。針對現有的圖像監控系統大部分採用人工為主,機器為輔,智能化程度低,不能全天候工作的現狀,本文採用先進的數字圖像壓縮編解碼技術、數字圖像傳輸技術,將智能圖像處理與識別技術應用於圖像的顯示、調整、跟蹤,克服了一般監控系統要求監控人員過多地干預、智能化程度低的缺陷,並總結了其特點和優勢。The general educational picture had improved perceptibly by the end or the first world war, but the most significant advances are not revealed by general statistics.
到第一次世界大戰結束時,一般教育狀況有明顯改進。但是,最重要的進展沒有在綜合統計數字中表現出來。The subject has mainly finished designing and debugging software and hardware of a / d decode module, fpga video processing module, video data frame deposit module, base clock produce module, d / a encode module, i2c bus control module, etc. a / d decode module gathers analog tv signals and realize video decode ; fpga video processing module deals with the data after decoding and produces systematic logic control signal ; video data frame deposit module offers the buffering area to a large n umber of high - speed video data ; base clock produce module through input basic video signal offers system accurate relevant synchronous signal ; under control of video processing module d / a decode module convert digital video data into compound tv signal which can be shown in tv directly ; i2c bus control module is used to initialize the chip of system by simulating i * c bus timing
本課題主要完成了a d解碼模塊、 fpga視頻處理模塊、視頻數據幀存模塊、基準時鐘產生模塊、 d a編碼模塊、 i ~ 2c總線控制模塊等部分軟、硬體設計及調試。其中a d解碼模塊採集模擬電視信號實現視頻解碼; fpga視頻處理模塊對解碼后的數據進行去噪處理的同時還負責系統的邏輯控制;視頻數據幀存模塊為大量高速的視頻數據提供緩沖區;基準時鐘產生模塊通過輸入基準視頻信號為系統提供精確的相關同步信號; d a編碼模塊在視頻處理模塊的控制下把數字視頻數據轉換成復合電視信號供顯示用: i ~ 2c總線控制模塊模擬i ~ 2c總線時序實現對系統中編、解碼晶元的初始化。Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect
在實際設計實現中,為提高系統軟、硬體整體穩定性和可靠性,使用了以下幾種方法: ( 1 )低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術; ( 2 )多層pcb設計,線路板結構緊湊,電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電; ( 3 )選用表面貼和bga封裝的器件; ( 4 )按照軟體工程的要求進行系統分析,規劃系統框圖、流程分析、模塊劃分,減小了不同模塊的相關性,從而最大限度避免了錯誤的發生。This thesis analyses the demand of the television station for an automatic broadcasting system. we made a systematic analysis by autoptical research and information which we have gotten by all kinds of ways. this systematic analysis is given to the working mechanism of the broadcasting system in the television station, and a new technique solution has been bring out to the automatic broadcasting system of tv station which use the new digital video technology. this thesis also analyses the designing process of the broadcasting part in video automatic broadcasting system. based on the serial port communication theory and network transmission theory, we designed a miniature system ground on mcu to realize long - distance broadcasting and controlling function. we designed a controlling software for this miniature system
本文分析了電視臺對于自動播出系統的需求,在課題研究中,通過在電視臺實地考察和通過各種途徑搜集資料,對電視臺的播控系統工作機制進行了系統的分析,對利用最新的數字視頻技術的電視臺自動化播出系統提出了新的技術解決方案。同時本文分析了整個視頻自動播出系統的播出部分的設計過程,並在串口通訊理論,網路傳輸理論的基礎上,設計了一套基於單片機的小型系統,實現了遠程播控的功能,並為該系統設計了計算機端的控制軟體。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。Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa
本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀;其次研究了橢圓曲線密碼體制的基本理論;第三,分析了橢圓曲線密碼的安全性並介紹了密鑰共享,加密,數字簽名等橢圓曲線密碼體制;第四,深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法,並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進,而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能,還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究,所得的結論可供在實現橢圓曲線密碼體制時參考;第五,研究了目前流行的計算橢圓曲線標量乘法的快速演算法,同時改進了固定基點梳形法,提高了整個系統的速度,並在實驗的基礎上分析研究了流行演算法的優劣;第六,實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫,在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh , eces , ecdsa等橢圓曲線密碼體制;第七,實現了兩條安全橢圓曲線上的橢圓曲線密碼體制,包括ecdh , eces , ecdsa 。Board members discussed the existing method in compiling seasonally adjusted data for a number of statistical series, such as the consumer price indices and retail sales, and were informed of c & sd s latest development in this respect
委員討論了統計處現時為一些統計數列(例如消費物價指數和零售業銷貨額)編制經季節性調整數字的方法,並獲告知統計處在這方面的最新發展。In this thesis we firstly made all kinds of statistics on chinese character stroke information of chinese national standard code for information interchange ( gb2312 - 80 ), such as the average strokes of each chinese character and each character which uses utility frequency as its weight, the average strokes of each character been added weight or not that can be differed from the other characters, the number of chinese characters which begin with each stroke, the times of each stroke in the chinese character set, the chinese characters which have same strokes in the chinese character set, and the frequency of adjacent stroke, etc. according to the statistic, we have devised a new chinese character keyboard input method named " stroke code " by adopting the stroke sequence of hand - written chinese character as its input codes and designed a kind of key arrangement for the method
論文首先統計了國標二級字庫中漢字筆畫信息的各種數據,這些數據主要包括:漢字的平均筆畫數及按使用頻度加權的平均筆畫數、能與其它字區分開的漢字前若干筆畫的平均數與加權平均數、以各種筆畫起筆的漢字數、各種筆畫在漢字字庫中的出現次數、漢字字庫中筆畫相同的漢字以及漢字字庫中相鄰筆畫的頻度等。根據這些統計數據,我們採用書寫漢字時的筆畫順序作為漢字輸入碼,設計了筆畫碼漢字輸入法和實現該輸入方法的鍵盤。Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail
針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向,本論文重點做了以下幾個方面的工作,目的在於提高dtc系統的綜合性能: ( 1 )提出一種新型的速度磁鏈觀測器,新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度,並且根據popov超穩定性理論推導出轉速的新型自適應收斂律; ( 2 )改善系統的低速運行性能,主要從提高低速時對定子磁鏈的估計精度入手,提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數; ( 3 )採用數字信號處理器dsp實現系統全數字化硬體控制,結合ti公司生產的tms320lf2407晶元,設計了直接轉矩控制系統的實驗裝置; ( 4 )提出了基於sercos總線網路化分散式的直接轉矩控制系統, sercos ( serialrealtimecommunicationsystem )是目前最適合同步和協調控制的串列實時通信協議; ( 5 )基本勾勒出整個控制系統的硬體和軟體設計基本框架,詳細描述一些實驗中的具體的細節問題。The hardware circuitry of the whole digital scan conversion system is realized through the complex programmable logic devices so as to improve stability, flexibility and real - time of the digital hardware circuitry. a high - performance digital scan conversion system is researched and developed
整個數字掃描變換系統的硬體電路都使用復雜可編程邏輯器件實現,增加了數字電路系統的實時性、穩定性和靈活性,設計和實現了一種高性能的數字掃描變換系統。In the design of control system, more and more designers prefer to select digital control strategy with advantages of flexible control, powerful functions and high precision, compared to analogue control
因而越來越多的工程技術人員在設計控制系統時,選擇數字控制方案。和模擬控制方案相比,數字控制方案具有控制靈活、實現功能強、精度高等優點。This paper projects a utility subdividing drive system of step motor, which consists of digital control module, drive module and power module, it uses at89c52 single chip processor as the core, it realizes the external event or generates control signal by i / o interface, timer and external interruption, the system introduce pld device and isp technology to the design of phase sequencer, it simplified circuit and improved the anti - disturbing capability by using abel - hdl language, this system can realizes data memory, velocity digital control and led display, etc. this paper adopted firstly the single - chip technique to design control system, which replaced old complicated logic control circuit and simplified test process
本文研究了一種實用的步進電機細分驅動系統,由數字控制模塊、驅動模塊和電源模塊組成,系統以at89c52單片機為核心,通過單片機的i o口、定時器計數器中斷來實現外部事件監控以及控制信號的產生,系統將可編程邏輯器件( pld )器件和在系統編程( isp )新技術引入到細分驅動環行分配器的設計,通過abel _ hdl語言編程實現硬體軟化設計和邏輯重構,大大簡化了電路,並提高了電路抗干擾能力。使系統實現參數存儲,速度數字控制,數碼顯示,進退刀控制等功能。This high speed digital test module is based on the vxi bus structure and specified on multi - channel and high speed aspects ; it is also capable of generating the stimulant signal and collecting the responded data ; meanwhile because the relationship between stimulation and response can be programmable, the module is highly intellective and it helps the testing system work more automatically ; what ' s more, with the good functions like real - time comparison, branch, single step, pause, trigger, it makes the testing more efficient as well
本實驗室設計實現了高速數字測試模塊,該模塊是採用vxi總線結構的儀器,具備以下功能:多通道,高速度;同時具備產生激勵信號和採集響應數據的能力;能夠通過編程在激勵和響應之間建立起因果聯系,使整個測試過程體現出一定的智能性,大大提高測試系統的自動化程度;具有實時比較,實時跳轉,單步,暫停,觸發等功能,使測試過程更加快速和靈活。分享友人