頻率程序設計 的英文怎麼說

中文拼音 [bīnchéngshè]
頻率程序設計 英文
frequency programming
  • : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
  • : 率名詞(比值) rate; ratio; proportion
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  • : Ⅰ動詞1 (設立; 布置) set up; establish; found 2 (籌劃) work out : 設計陷害 plot a frame up; fr...
  • : 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...
  • 頻率 : frequency; rate
  • 程序 : 1 (進行次序) order; procedure; course; sequence; schedule; ground rule; routing process 2 [自動...
  • 設計 : devise; project; plan; design; excogitation; layout; layout work; styling
  1. On the demand of application and according to the soluhons menhoned above, a method of displacement waiting auto - sy ' nchronizing is put forward, which is based on match filters. at the end a complete and speeflc set of hardware circuits and software programs which haplements the scheme, is also presented in the ancle. the synchronization system was tested in the pool and in the shallow wate near m port, the result of the test shows that its performance is satisfactory

    論文著重介紹實現了跳通信系統同步的一般方法,並詳細分析和對比跳同步系統的捕獲方案,在此基礎上,提出了一個基於匹配濾波器的位移等待式自同步方案,、完成並給出了詳細硬體連線電路圖、軟體圖和部分清單,該自同步方法在實驗室水池實驗取得良好的效果,並在廈門港海域進行了現場實驗測試,具有較低的誤碼和一定的檢測概,結果令人滿意。
  2. Abstract : this paper first presents the general design framework of maintenance deployment system in wartime, and then studies the main design criteria : the whole responsiveness, component responsiveness and steadystate efficiency. based on the above, some basic deplyment forms are analyzed and the general design procedure is presented at last

    文摘:給出了戰時維修資源置系統一般框架,提出了準則:整體反應性、單元反應性和穩態;並運用以上準則對我軍現實活動中採用的幾種基本部署系統形式進行了分析;最後給出了戰時維修資源部署系統的一般
  3. The essence of edid is to set up a normal behavior fuzzy sub collection a on the basis of watching the normal system transfer of the privilege process, and set up a fuzzy sub collection b with real time transfer array, then detect with the principle of minimum distance in fuzzy discern method the innovation point of this paper is : put forward the method of edid, can not only reduce efficiently false positive rate and false negative rate, also make real time intrusion detection to become possibility ; have independent and complete character database, according to the classification of monitoring program, design normal behavior and anomaly behavior etc., have raised the strongness of ids ; use tree type structure to preservation the character database, have saved greatly stock space ; in detection invade, carry out frequency prior principle, prior analysis and handling the behavior feature of high frequency in information table, have raised efficiency and the speed of detection, make real time intrusion detection to become possibility ; have at the same time realized anomaly intrusion detection and misuse intrusion detection, have remedied deficiency of unitary detection method

    這種方法的實質是在監控特權進的正常系統調用基礎上建立正常行為模糊子集a ,用檢測到的實時調用列建立模糊子集b ,然後用模糊識別方法中的最小距離原則進行檢測。本文的創新點是:通過對特權進的系統調用及參數列的研究,提出了基於euclidean距離的入侵檢測方法edid ,不僅能有效降低漏報和誤報,而且使實時入侵檢測成為可能;有獨立而完整的特徵數據庫,根據被監控的類別,分別正常行為、異常行為等,提高了檢測系統的強健性和可伸縮性;特徵數據庫按樹型結構存儲,大大節省了存儲空間;在檢測入侵時,實行度優先原則,優先分析和處理信息表中的高度行為特徵,提高檢測的速度和效,使實時入侵檢測成為可能;同時實現了異常入侵檢測和誤用入侵檢測,彌補了單一檢測方法的不足。
  4. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本中,採用高速的dsp處理器,實現了對故障特徵信息的高速採集與處理;採用大功的功放晶元與變壓器配合的方法,實現了大電流信號的驅動輸出;採用485總線技術,組建了裝置主機與多探測器之間的主從式通訊網路,實現了多干擾條件下裝置主機與多探測器的可靠通訊;了差分式多級選放大電路,採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術,實現了控制器與多外的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元,了人機信息交互的介面;採用了模塊化的軟體方法,開發了裝置主機及探測器的軟體
  5. The structure, function and characteristic with the principle and method of tank gauging system are described. then the structure, principle of the circuit and the main chips of the data processing unit are introduced. after this, the software design of data processing unit including rs - 485 ( modbus ) module, 4 - 20ma analog module, on - off module, rtd module, pulse module, calculation and display module, communication module and neuron chip program module and also the method of resolving the problems which were found at the process of debugging are emphasized

    隨后介紹了現場數據處理器的結構,電路原理,所運用的主要晶元;並重點闡述了作者在課題研究中所作的工作,即現場數據處理器軟體的包括八個功能模塊: rs - 485 ( modbus )模塊、 4 ? 20ma模擬量採集模塊、開關量處理模塊、 rtd信號採集模塊、量採集模塊、算和顯示模塊、通訊模塊、 neuron晶元中的模塊;以及在課題研究和現場調試過中遇到的問題及解決辦法。
  6. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點測量單元,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速數器以及相應的外圍放大整形、分電路,實現了水輪發電機組的測量;在軟體上,對微機調速器的整個框架、並聯pid的離散化過進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械液壓隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性了變調壓驅動器,實現plc與步進電機驅動器之間數字介面。
  7. Then, we establish the finite element analysis models of the antenna in different structure layout, and obtain the corresponding frequencies and model shapes. finally, according to the importance of each object, we set up the model of multiple objects that aims to maximize the first natural frequency and minimize the mass. combining orthogonal experiment and variant weighting coefficient method, we formed an effective multiple objects optimized algorithm basing on the neural network and genetic algorithm

    本文首先詳細的敘述了天線結構的各組成單元,闡明了天線反射拋物面的形成原理;然後在ansys軟體環境中建立了不同結構布局下天線的有限元分析模型,分析算了各種情況下天線的的固有與振型;最後依據天線各指標的重要性,建立了以一階固有最大、質量最小為目標的天線結構多目標優化模型,並基於神經網路和遺傳演算法,結合正交實驗和變加權系數技術,形成了一種有效的多目標優化演算法,在matlab平臺下實現了天線的結構多目標優化,求得了天線的最佳結構參數。
  8. It ' s a pity that although there are many papers and articles focused on data mining published every year, most of them deal with data mining concept and abstract algorithm theory, it is hardly to see their real implementation and application, in this context, when i was in my graduate exercitation in a company in beijing, which focus on developing supermarket software, i joined and completed an olap ( online analytical processing ) project, merchandise analysis and sale report system, which based on microsoft analysis service and microsoft sql server. i also design and implement three important algorithms : merchandise association rule algorithm based on multi - level merchandise category, supermarket member customer shopping frequent sequence generating algorithm, customer classification ( decision tree ) algorithm which based on information entropy and conditional probability tree, and they all achieve expected result

    本文作者在實習期間,參與並完成了基於微軟分析服務器的銷售分析與報表系統;並在公司即將開始的數據挖掘項目中,完成了多個重要演算法的和c + +實現:基於多層分類商品樹的商品關聯規則演算法,會員顧客的購物列模式產生演算法;基於信息熵理論和條件概樹的會員顧客分類(決策樹)演算法,並分別使用數據進行了測試,取得了較好的結果。
  9. The result of long - term operation shows that the computer control system is practical and effective, it can run in the optimal state within a long duration to fully realize data collection and process, remote data transmission and vfvs constant injection control of pumps. it speeds up the automatic procedures of the seawater treatment process, really realizes the unmanned working, decreases the physical intensity to a large extent, improves the management, enhances the management level, avoids equipment wear down as much as possible, makes the seawater treatment efficient and lessens the cost of production

    長期的運行結果表明,該算機控制系統的實施切實有效,既成功實現了對被檢測參數的數據採集與處理、遠傳以及注水泵機組的變調速恆壓注水控制,又提高了系統的自動化,真正實現了無人值班作業,在很大度上降低了工作人員的勞動強度,極大的改善了現場的管理狀況,提高了生產管理水平,且有效避免了備損耗,提高了水處理效,降低了生產成本。
  10. The article also includes the work as follows : 1. finished designing the hardware collective circuit and its controlling program, and using the dissynchronous fifo technique and independent clock circuit to solve the problem of high - accuracy regular - frequency sampling and the match system speed

    論文還完成了以下工作: 1現場診斷儀的硬體採集電路及相應控製。應用異步fifo技術和獨立時鐘電路,解決了高精度定采樣以及系統速度匹配問題。
  11. And used this standard ( large than ex + 3 x x ) to estimate the design sub stage maximum tidal levels using the frequency analysis. an improved method to deduce design tidal level process is put forward, using both designs maximum anneal tidal level and design maximum annual tidal range

    探討了不同參數估方法下如何判別特大值,並用得到的判別標準(大於ex + 3 x )對修正後的分期最高潮位列進行分析確定了分期最高潮位。提出了以年最高潮位和年最大潮差共同控制典型潮位過放大的潮位過推求方法,使潮位過的推求更趨合理。
  12. And the last is creation system, a creation - side tool, which is used to develop video courseware. in the thesis " s core part, by using real media technology, it designs a synchronous and asynchronous video courseware system, and provides developers with a development platform, which highly improves the quality and efficiency in creating video courseware and makes the creation in a pattern way

    本文的核心部分是以realmedia技術為核心,、開發了實時和非實時課件製作系統,提供開發者一個視課件的開發製作平臺,大大提高了視課件開發製作的質量和效,並使之逐步走向化開發製作的道路。
  13. Because the different stiffness match of front and rear suspension is very influencing to the ride comfort, optimal model of ride comfort is developed, regarding the rms of driver ’ s acceleration as the objection, regarding the stiffness of front and back suspension as optimal variable, regarding quiet flexibility 、 dynamic flexibility 、 frequency and dynamic load as nonlinear constraints. by matlab program and using sqp, the optimal match of front and back suspension ’ s stiffness is achieved, this optimal model consider not only request of quiet 、 dynamic flexibility 、 frequency and damp, but also security of run and peace of road, it is closer to the fact than other models which only consider partial restriction

    由於前後懸架垂直剛度的不同匹配對汽車行駛平順性影響較大,論文建立以駕駛員垂直加速度的均方根值作為汽車行駛平順性優化目標值、以前後懸架垂直剛度作為優化變量的優化模型,並輔以靜撓度、動撓度、、動載荷等非線性約束,使用列二次規劃法,利用matlab編制優化,求得前後懸架垂直剛度的最優匹配值;此優化模型不僅包含動靜撓度及和阻尼的限制,還考慮到汽車的行駛安全性和道路友好性,比文獻報道的只考慮部分約束的優化模型更切合實際情況。
  14. The hardware circuit design include : industrial control computer configuration, selection of industrial control board type, design of the power supply and monitoring interface circuit, design of signal processing interface circuit ( the constant current source circuit, the time base signal processing circuit, the processing circuit for the signal to be measured ), design of panel control circuit, design of the system self - checking circuit, and etc. the program flow hart include : main program flow chart, system boot - strap self - checking program flow chart, manual static testing program flow chart, semiautomatic static testing program flow chart, automatic static testing program flow chart, dynamic testing program flow chart, transient testing program flow chart, source voltage and current monitor program flow chart, investigate function testing program flow chart, and etc. the measure system offers six working power supplies, the signal of time base, the signal of constant current source, sine wave signal and step to leap signal, and measures the frequency of the output pulse signal of the wide range pulse convert circuit accurately under three kinds of different test state ( static form, dynamic form and transient form )

    硬體電路包括:工控機配置、工控板卡選型、產品電源及監控介面電路、信號處理介面電路(恆流源電路、時基信號處理電路、被測信號處理電路)、面板控制電路、系統自檢電路等。圖包括:主圖、系統開機自檢圖、手動靜態測試圖、半自動靜態測試圖、自動靜態測試圖、動態測試圖、暫態測試圖、電源電壓和電流監控圖、研究功能測試圖等。測試系統提供六路工作電源、時基信號、恆流源信號、正弦波信號和階躍信號,並對三種不同測試狀態(靜態、動態、暫態)下大量脈沖變換電路輸出脈沖信號的進行精確測量。
  15. Design procedure of u - shaped anti - rolling tank system is established, and program of scale design for tank is summarized, and an innovation selecting the natural frequency of controlled passive anti - rolling tank is put forward according to variation range of wave frequency, the natural frequency of rolling of a ship and other influencing factors, and causes of formation of tank damping and motion state of water in tank are studied, calculation formula of the u - tube tank damping and design method of tank damping configuration are given, and the influence of tank vertical location within the ship on ship parameters, stabilization performance of tank and water motion in tank is studied

    建立了完整的u型減搖水艙系統;總結了u型減搖水艙尺度;提出了根據波浪變化范圍、船舶固有變化范圍和其它影響因素,選取可控被動式減搖水艙固有的新方法;分析了u型減搖水艙阻尼的形成原因,給出了估算水艙阻尼和水艙阻尼結構的方法;研究了減搖水艙在船舶中的垂直位置布置對船舶參數、水艙減搖性能和艙內流體運動性能的影響。
  16. The work of this dissertation is focused on research of some key technics in signal design and processing of mcpc signal. the main content of the dissertation is summarized as follows : it gives a detailed description of the form of the mcpc waveform and its mathematical model, and analyses the formation and properties of phase coded sequence. it discusses the effect of signal parameters on autocorrelation, power spectra and ambiguity function in forms of single pulse and pulse train and compares different kinds of single pulse signals and pulse train signals

    本文圍繞著多載波相位編碼信號在信號與信號處理的若干關鍵問題進行了研究,主要做了以下工作:描述了多載波相位編碼信號( multicarrierphasecoded ,簡稱mcpc )的信號形式,給出了其數學模型,對其中相位編碼列的構成方式與特性進行了分析;從單脈沖和脈沖串兩種信號形式入手,對多載相位編碼信號的參數在自相關函數、功譜密度和模糊方上的影響作了詳細地討論,對不同調制方式的單脈沖和脈沖串信號進行了比較。
  17. However, at present in china civil aviation industry, the flight procedure design for terminal airspace is still in its early stage, with existing problems, such as too many navigational aids, inefficient use of navigational aid frequency, and low adaptability of flight procedure

    針對我國目前機場空域飛行還處在推廣階段這一情況,存在著諸如導航施過多、導航臺浪費嚴重、飛行適應性較差等缺陷,研究基於同一vor / dme導航施機場空域飛行,具有較強的現實意義。
  18. In the buckling question under nonconservation force, a simply example ( the dynamic stability question under the uniformly follower forces with small deformation % linear elastic, straight normal. ) is considered. the variational equation of braid composite cylindrical shells subjectd to uniformly follower forces is deduced based on the variation principle of quasinatural frequency of elastic nonconservative system self - excited vibration. the calculated formulas of the flutter load and quasinatural frequency of shells are obtained. the program for calculating the flutter load is developed. the numerical example is given and some useful conclusions are obtained

    對非保守力作用下的屈曲問題,具體研究了圓柱殼在比較簡單的情況,即小變形、線彈性、直法線假下在隨動力作用下的殼屈曲問題,由擬固有變分原理推出了圓柱殼受隨從力作用的變分方,得到了顫振載荷與殼彎曲的固有算公式,編制了相應的算機,並給出了具體算例,得到了一些有益的結論。
  19. This scheme can avoid the emergency of orphan effectively, and gives a good solution when the node isn ’ t available. the protocol we design is named as soptt, which is shorted as “ self - organize protocol of tree topology ”. the layer of application we design can gather and send data, realize the function of data fusion to avoid the potential communication congestion so that the communication will be more effectively

    該協議解決了節點路由的建立和重建,還可以根據節點剩餘電能的情況智能選擇簇首節點,並且有效地避免了孤兒節點的產生,對于節點失效的情況也能夠很好處理;在應用層,基於智能樓宇溫度監測應用環境,並實現了採集發送數據的,使得採集、發送數據的符合應用需要,並且提出了數據融合的思想,以避免可能發生的通信擁塞,同時也達到了通信的高效性。
  20. The content of this dissertation include : orthogonal transformation of digital signal ; mathematic model of modulation signals and software - defined radio receiver ; nine feature parameters of the modulation algorithm and threshold of feature parameter ; development procedure of modulation recognition by ccs and the modulation digital signals produced through matlab ; discussion on sampling speed and instantaneous frequency and analysis of experiment " s result

    本文給出了在ccs集成開發環境下調制識別演算法模擬實現的和利用matlab模擬產生調制信號的方法;分析了調制識別演算法的模擬實驗結果;對采樣速的選取、非弱信號段判決、瞬時算以及演算法數據關聯性的簡化等方面進行了研究。
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