輸入環路 的英文怎麼說
中文拼音 [shūrùhuánlù]
輸入環路
英文
input loop- 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...
- 環 : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 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...
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Contrapose to the instability of the third - order charge - pump pll system, the loop optimization method is employed in system level design to decide the bandwidth and phase margin, therefore the loop bandwidth locates at the maximum phase margin to guarantee the stability of the system. according to tsmc 0. 35 m sige bicmos model, the sub - circuits in the designed pll and the whole system are simulated and verified by the cadence spectre
5 .根據tsmc0 . 35 msigebicmos工藝模型,利用cadencespectre模擬軟體對所設計的電荷泵鎖相環路中各個模塊及整個系統進行了模擬模擬,模擬結果顯示,在1 . 5v電源電壓下,頻率為200mhz的參考輸入信號,輸出中心頻率為800mhz ,分頻電路採用4分頻,環路帶寬為10mhz ,捕獲時間大約為0 . 92 s ,功耗大約為15mw ,達到了設計指標。In this paper, a kind of output current feed - forward circuit is added into the input of the current loop. by adding this compensatory circuit, the output character of the inverter is improved greatly
本文還研究了一種提高逆變器輸出電壓外特性的思路,通過將負載電流正反饋給逆變器的電流環輸入端,從而達到提高輸出電壓的外特性的目的。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。It is generally impossible to obtain the analytic optimal guidance law for complex nonlinear guidance systems of homing missiles, and the open loop optimal guidance law is often obtained by numerical methods, which can not be used directly in practice. the neural networks are trained off - line using the optimal trajectory of the missile produced by the numerical open loop optimal guidance law, and then, the converged neural networks are used on - line as the feedback optimal guidance law in real - time. the research shows that different selections of the neural networks inputs, such as the system state variables or the rate of los ( line of sight ), may have great effect on the performances of the guidance systems for homing missiles. the robustness for several guidance laws is investigated by simulations, and the modular neural networks architectures are used to increase the approximating and generalizing abilities in the large state space. some useful conclusions are obtained by simulation results
對于復雜的非線性導彈制導系統,很難求得其解析的最優制導律,只能求得開環的數字解,不能適用於具有時變不確定性的導彈制導系統.利用神經網路的學習和推廣能力,對開環的數字最優制導律進行離線的學習,作為閉環的神經最優制導律在線應用.研究分別選擇系統狀態變量和視線角速率等不同的神經網路輸入對制導系統性能的影響,以及各種制導律的魯棒性問題,並採用模塊化神經網路結構提高神經網路的學習和推廣能力,模擬結果得到一些有益的結論Then novel circuit structure of bi - directional voltage mode ( based on forward converter ) inverters with high frequency link, are proposed, which is constituted of input cycloconverter, high frequency transformer, output cycloconverter, input and output filter ; the circuit topologies family of this bi - directional voltage mode inverters with high frequency link include six circuit topologies, such as push pull - full wave mode, push pull - full bridge mode, half bridge - full wave mode, half bridge - full bridge mode, full bridge - full wave mode, and full bridge - full bridge mode etc. taking full bridge - full bridge mode circuit as an example, principle of uni - polarity phase shifting controlled bi - directional voltage mode inverters with high frequency link is introduced
本文首先論述了dc / ac逆變技術的應用前景及發展現狀。基於正激forward變換器的雙向電壓源型高頻環節逆變器電路結構,由輸入周波變換器、高頻變壓器、輸出周波變換器、以及輸入、輸出濾波器構成;雙向電壓源高頻環節逆變器電路拓撲族,包括推挽全波式、推挽橋式、半橋全波式、半橋橋式、全橋全波式、全橋橋式六種電路。With the setting of the peculiar conditions, we contribute the above system model for the first time to a kendall model, i. e. / l, : the size of buffer 1 / fcfs ( for same kinds of cells ) / l2 : the size of buffer 2 / non - prevail pr ( for different kinds of cells ) we resolved the model by " state transfer " method
在設定工作環境及條件的基礎上,本論文首次為該系統模型建立了肯達爾排隊模型。即:並運用狀態轉移方法進行了解析。最後的模擬實驗數據表明優先級調度輸入?線群多通道輸出atm交換系統模型較好地改善了hol阻塞,提高了輸入排隊atm交換網路的性能。The diploma project researches the three - coordinate nc system of the boring and milling machine. the system must depend on the hardware - ipc ( industry personal computer ) and on the windows software. the hardwares have the framework of embedding nc in pc, which means that the hardware is composed of ipc, the intelligent sport control card ( pcl - 839 ) and the i / o card ( pcld - 782 / 785 ). we research the nc system based on the operating system of dos and develop it into the nc system based on the operating system of windows2000. the new nc system will do better for the three - coordinate nc machine tool than the old one
本文是以本學院自行研製開發的印製電路板鉆銑床為研究對象,以工控機為硬體平臺,以windows為軟體平臺,硬體系統採用「 nc嵌入pc式」結構,即運用現有的工控機+運動控制卡+數字量輸入輸出卡的基本結構,把機床控制系統開發成基於windows環境下的數控系統,代替原有的基於dos操作系統下的控制系統,從而實現對三坐標數控鉆銑床的控制。The bias magnetic field of the bias coil driven by bias current and small signal test current, results in the induced signal of the control coil. the terminal voltage of the control coil is detected by the test circuit. then the signal containing the information of rotor displacement is obtained, from which we can get the dc voltage signal proportional to the rotor displacement through half - wave rectification circuit and low pass circuit. this dc signal is put into a pid controller to get the control signal of the rotor displacement
偏置測試電路向偏置線圈輸入偏置電流和小信號測試電流,兩者產生的偏置磁場在控制線圈產生感應信號,檢測電路檢測控制線圈端電壓並提取含有轉子位移信息的電壓信號,該信號經半波整流電路和低通濾波電路后得到與轉子位移成正比例的直流信號,再由pid控制器轉換為轉子位移的控制信號,最後控制信號輸入功放電路產生控制電流,實現閉環控制。Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment
在windowsnt系統環境和labview虛擬儀器技術開發平臺下,首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊,設計了一種對實驗所得數據進行曲線擬合的方法,對三種擬合方法進行了比較,曲線擬合結果表明,多項式擬合方法相對于其它兩種擬合方法效果更好;根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械振動形成的等效輸入阻抗,並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電氣模擬網路參數;最後通過labview提供的網路功能,實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統,並探討了通過datasocket技術實現該系統網路化的方案。It is shown that the proposed scheme guarantees the stability of the closed - loop system and achieves tracking performance idex, meanwhile the influences of external disturbance, neural network approximation error and the cross - coupling of input to output on the tracking error are reduced to a prescribed level
該方法不僅保證了閉環系統的穩定,而且使外部干擾、神經網路逼近誤差及輸入對輸出的交叉耦合對跟蹤誤差的影響衰減到給定的水平。This method is also valid for identifying the circuit and branch defect of first group spatial linkages based on the equivalent of circuit properties of the first group spatial linkages and its equivalent sphere four - bar linkage base on the property of the solutions of quartic equation, the conclusion that the number and order of branch between two adjacent stationary positions of the input link are derived. then, the new method to identify circuits of spatial single - loop linkages with four closures is presented. all types of the manner on which the branches coalesce at the stationary positions of the input link are obtained and the procedures to determine the type automatically are developed
基於一元四次方程解的性質,得到了在輸入構件兩個相鄰瞬時靜止位置之間機構的分支的數目和大小順序不變的結論,進而提出了識別具有四個封閉形的空間單環機構迴路的新方法一一死點法,綜合出了輸入構件位於瞬時靜止位置時機構分支結合情況的所有類型及其自動判別方法,研究了由所有結合的分支信息自動生成迴路的演算法,首次解決了此類機構迴路與迴路缺陷的自動識別。And so on, the mathematical model and transfer function of the tracking system are built, and the feasibility of the tracking control system design is demonstrated. furthermore, the static error of the system with a unit incline input is deduced. a majority of model of unit is based on analytics, so the general model can apply to other optical intersatellite communications systems
在此基礎上,將atp跟蹤控制子系統視為線性定常系統,通過解析法和實驗法對子系統的各個控制環節的單元器件進行合理建模,得出整個環路總的開環及閉環傳遞函數,論證了本課題所設計的atp跟蹤控制環路的可行性及其視軸輸入為斜坡信號時的理論穩態誤差。The author of the dissertation pay a lot efforts to focus on designing the dual - loop control circuit based on optimized psm, include : 1 ). researched the relationship of input and output voltage and output valtage ripple, when psm operate in continuous current mode and discontinuous current mode respectively. what we have done will direct psm apply to converter
本文在psm調制理論的基礎上,設計基於優化psm調制模式的雙環控制電路,主要包括以下幾個方面內容: 1 )對psm調制模式分別在連續和斷續工作模式下的輸入輸出電壓關系以及輸出電壓紋波進行研究,以期指導psm調制模式在變換器中的應用。The mathematic models of networked control systems with single packet transmission, multiple packet transmission or data packet dropout are developed when the network - induced delay is short time delay. the open - loop mathematic models of networked control systems with long time delay are developed when the system is driven by anyone of the four different modes. the uniformed modeling method for networked control systems with long time delay is proposed
建立了短時延網路控制系統在單包傳輸、多包傳輸以及有數據包丟失時的數學模型;建立了長時延網路控制系統在四種驅動方式下的開環數學模型,提出了長時延網路控制系統的統一建模方法;建立了多輸入、多輸出ncs的數學模型。Data inputting and graphinputting module respectively achieve data inputting of first system and electric firstwiring diagram inputting ; secondary scheme design module realizes scheme design ofsecondary loops including control, protection, signal, measure, automotive equipment, operation electrical source and electrical source for substation and power distributionstation, using rule - cased reasoning of expert system ; protective relaying settingcalculation module realizes setting calculation for first equipments which aretransformers, circuitries, capacitors, and electromotors ; secondary equipmentselection module realizes type selection of secondary microcomputer integratedequipments ; graph making out module realizes secondary drawings making outautomatically representing design production using case - cased reasoning of expertsystem and the drawings can be edited and modified under the secondary developedautocad environment
數據輸入和圖形輸入模塊分別完成一次系統資料錄入和電氣主接線圖的輸入;二次方案設計模塊利用專家系統基於規則的推理實現變配電所各二次迴路的方案設計,包括控制、保護、信號、測量、自動裝置、操作電源和所用電源;繼電保護整定計算模塊實現主設備的整定計算,包括變壓器、線路、電容器和電動機;二次設備選型模塊實現二次微機成套裝置的型號選擇;圖形生成模塊利用專家系統基於實例的推理實現代表設計成果的各類二次圖紙的自動生成,生成的圖紙可以在二次開發的autocad環境下進行編輯和修改。At first system accomplishes chinese language automatic word segmentation and part - of - speech tagging through chinese input approach with word segmentation, then forms corresponding surface semantic network according to the semantic structure grammar, and finally gets corresponding data flow diagram and data dictionary according to the automatic generation algorithms of data flow diagram and data dictionary, the whole completion of the work, can not only provide a description environment of natural language for case, but also develop into the system which takes the question described on the basis of the natural language as the system ' s input
工作的中心是自然語言篇章理解。系統首先通過分詞輸入法實現漢語自動分詞與詞性標注,然後根據語義結構文法產生相應的表層語義網路,最後根據數據流圖、數據字典自動生成演算法轉換為相應的數據流圖和數據字典。這項工作的徹底完成,不僅可以給case提供一個自然語言的描述環境,而且可進一步發展為基於自然語言描述問題作為輸入的系統。To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed
利用集成a / d 、 d / a轉換器的新型晶元aduc824 ,實現了電流(電壓)采樣?數據處理?電流控制的閉環控制結構;地電位的抬升解決了a / d轉換器對負高壓迴路電流采樣時的輸入范圍匹配問題;控制信號反相的同時進行幅度壓縮,使得輸出調整電壓的解析度提高;根據常規的比例?積分?微分( pid )調節模型,針對陀螺系統的特性,給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法;不同條件下系統穩流性能的對比、分析在論文最後給出,並據此找出了決定該系統穩流精度的關鍵因素,提出了系統的改進意見。On the other hand, inhibitory areas of ftc could be abolished partially or completely during bicuculline application. these results showed that gabaergic inhibitory afferent projections to recorded neurons were activated by random resonance caused by weak noise in cochlea, which provided inhibitory input for sharpening frequency tuning and made neuron more precisely analyze sound signal near its bf. therefore, this experiment presented a possible evidence of cellular level for interpreting why human and animal could extract or capture sound signal of specific frequency from the environment with competing noise
說明山弱噪聲引起的耳蝸隨機共振在_ _仁行傳入過程中可能激活了至所一記錄的jc神經元的gaba能抑制性神經迴路,這種gaba能抑制為銳化神經元頻率調諧提供了一種抑制性輸入,使ic神經元對靠近最佳頻率的頻率分析變得更為細致和精確,由於聲頻率是聲信號的重要參數和信息載體,頻率調諧的銳化意味著對聲頻率分析能力增強,從而為解釋人們為什麼能從充滿噪聲的環境中捕捉或提取與行為學相關的信號提供了一種細胞水平的實驗證據。The frequency of the pulse is the same as that of the crystal oscillator. the pulses sampled the output of the vco and generate the error signal. the error signal is amplified,
誤差電壓經放大後送入環路濾波器進行濾波和再放大,然後去改變變容管偏置電壓,控制振蕩器輸出頻率,達到穩頻的目的。In accordance withthe system requirement, choose the panasonic fp0 - c32t plc, distribute the i / oand construct the signal inputelectrocircuit and output load electrocircuit ; designthe plc control flow diagram and compile the trapezoid diagram, then debugthem ; designtheplc communicationprogram basedonlabview. servo control subsystem ensures the machining precision of notched impactspecimen
根據系統控制需要,選用松下fp0系列c32t可編程式控制制器,進行i / o分配,並搭建信號輸入電路、輸出負載電路;設計plc系統控制流程圖,進而在fpwingr編程環境上編制梯形圖、調試;基於labview設計plc與外部通信的程序。分享友人