樣值輸出 的英文怎麼說
中文拼音 [yàngzhíshūchū]
樣值輸出
英文
sample output-
We deduce frondose algorithm of three layers bp neural networks which is used in common, and discuss several important issues in designing neural networks which is used to forecast, for example, number of hidden layer, nerve cell number of hidden layer, epoch of learning, embryonic power value, decision of node number about input and outputo at the same time, this dissertation sums up things that conventional bp algorithm is improved on considering disadvantages of it
3推導了常用的三層bp神經網路具體演算法,討論了實際預測應用中神經網路設計方面的幾個重要問題,如隱層數、隱層神經元數、訓練次數、初始權值、輸入節點數以及輸出節點數的確定。同時,針對傳統bp演算法存在的各種各樣的缺點,文中綜述了對其改進的情況。The experiment apparatus has been developed, which is based on software ( labview ) and hardware ( pci board ni 6024e ). the displacements and generative force at the tip of the ipmc actuators were measured with respect to the different voltages, frequents and various waveforms which include square, sinusoidal, and triangular wave
實驗選取了不同電壓幅值,不同頻率的方波、三角波、正弦波三種波形作為電激勵信號,利用高速攝像記錄ipmc的位移變形,並通過力傳感器實測了ipmc試樣末端的輸出力。A continuous stream of real-time data could flow into and out of such a device.
實值數據將能源源不斷地輸入和輸出這樣一個系統。A novel method based on artificial neural network bp algorithm to perform the parametric identification in deep foundation excavation is proposed hi the paper. taking in situs measurements as network input and parameters to be identified as network output, the network is trained with the samples obtained from fem computation
將某些現場實測值作為網路的輸入,土層物性參數作為網路的輸出,通過有限元正分析模型取得學習樣本來訓練網路,從而達到對深基坑開挖過程中的多層土體的物性參數進行辨識的目的。Based on output voltage and capacitor - current feedback current spwm control, the inverter is modeled and the prototype is made
並對採用輸出電壓和電容電流瞬時值反饋的電流spwm控制技術逆變器建立了模擬模型,製作了原理樣機。By using a counter and an operation microprocessor, this paper analyses the measuring method and designs an instrument of edm sinking process in discharge state. this instrument takes samples of voltage, current signal and strong and weak of high frequency signals of detecting voltage amplitude, translates them into various time pulses in discharging state. and a counting unit turns these pulses into digital signals, then send them to a microprocessor. finally various discharge time percentages are sent to the control tache
通過采樣電火花加工放電間隙的電壓、電流信號和檢測電壓幅值上的高頻信號的強弱,得出反映間隙放電狀態的各種時間脈沖,利用計數器分別對其計數,再送給單片機運算處理,輸出控制環節所需的各種放電狀態時間百分數。Abstract : by using a counter and an operation microprocessor, this paper analyses the measuring method and designs an instrument of edm sinking process in discharge state. this instrument takes samples of voltage, current signal and strong and weak of high frequency signals of detecting voltage amplitude, translates them into various time pulses in discharging state. and a counting unit turns these pulses into digital signals, then send them to a microprocessor. finally various discharge time percentages are sent to the control tache
文摘:通過采樣電火花加工放電間隙的電壓、電流信號和檢測電壓幅值上的高頻信號的強弱,得出反映間隙放電狀態的各種時間脈沖,利用計數器分別對其計數,再送給單片機運算處理,輸出控制環節所需的各種放電狀態時間百分數。Firstly the electric - drive equipment is simplified in order that its circuits " working status could be obtained by computer by disposing the sampling value. secondly interface program is designed under objectarx2000 in order to drive the static circuit diagram drawed by autocad. lastly sampling value is transferred through the communication between pc and several sampling scms
有幾個關鍵性技術問題得到了解決:首先將電傳動裝置進行簡化,使其電路工作狀態通過計算機對電壓采樣值的處理得到確定;其次利用二次開發工具objectarx2000開發出介面程序,實現了對autocad所繪制電傳動電路圖的驅動;最後通過pc機同多個采樣單片機的通訊解決了對大量采樣數據的傳輸問題。2 http : www. genome. washington. edu uwgc. 3 pearson w r. searching protein sequences libraries : comparison of the sensitivity and selectivity of the smith - waterman and fasta algorithm. genomics, 1991, 11 : 635 - 650
由於需要排序得到最終的比對結果, megablast採用先計算分值然後輸出的串列過程,這樣還導致大量中間結果的積累出現內存消耗過大的情況。Finally, the prototype of closed - loop control system of mc has been designed. a seris of experiments have been made, and the results show that the closed - loop control of mc presented here is correct. also, the mc closed - loop systems based on the method can be applied to the variable frequency power supplies
最後,製作了輸出電壓有效值控制矩陣變換器閉環系統的原理樣機,進行了一系列實驗測試,結果表明採用雙空間矢量策略矩陣變換器實現輸出電壓有效值閉環控制是正確有效的,輸出電壓有效值控制矩陣變換器閉環系統作為變頻電源設計也是切實可行的。The video signal processing circuit realizes the primary catching, filtering and signal amplifying. variable threshold binarization processing circuit and two - channel counter are designed to sample to count the output pulse signal, which is processed, deposited and displayed in microprocessor. the communication interface circuit with the computer is also designed
視頻信號處理電路完成了原始信號的初級捕捉、濾波、視頻放大等處理,設計了浮動閾值二值化處理電路,採用兩路計數器對輸出脈沖信號采樣計數,最後送入微處理器進行運算處理,可實現測量值的儲存、顯示等,並設計了與上位機的通訊介面。We use a colorful noise to describe traffic flow and regard it as the uncontrolled input ( equaled to noise ). then we use the multi - rate sampling pi controller to eliminate the error caused by noise, and make the length of queue stabilize at the threshold. the availability of the strategies and stability of systems are proved by doing some analysis and simulation
文中我們將一有色噪聲看作不可控輸入的擾動,採用基於pi的多采樣速率控制器以消除由此不可控輸入所造成的對系統輸出(交換節點緩沖區隊列長度)誤差的影響,使得系統輸出(隊列長度)穩定在閾值附近。In this paper, systemic theoretic analysis of the relationship of stock structure and operating performance is progressed, based on this, theoretic study and demonstration analysis organic fall together, and the neural networks model that can reflect their relationship total and systemic is established. the input variable of the model can reflect the panorama of stock structure, also, it can embodiment other influence factor of company performance. the evaluation target system that can reflect the operating condition of listed companies completely, impersonality and truly is advanced, at the same time, the best result weights confirm method is brought forward, thereby, the fuzzy integrate evaluations method is improved
本文對股權結構與經營績效之間的關系作了系統的理論分析,並在此基礎上,將理論研究和實證分析有機地結合起來,建立了一個能全面、系統地反映它們之間關系的神經網路模型:該模型的輸入變量在反映股權結構全貌的同時又體現了公司績效的其它影響因素;提出了可以全面、客觀、真實地反映上市公司經營狀況的評價指標體系,同時提出了最佳結果權重確定法,從而改進了模糊綜合評價方法,並利用改進的模糊綜合評價法求出公司經營績效的綜合量化值作為神經網路的期望輸出;改進了神經網路模型的演算法,使其在樣本數據相對較少的條件下也能很好地在性態上模擬被逼近函數。Based on the comprehensive analysis of the application status and the existed problems of transmission line fault location, this dissertation presented a new algorithm for fault location based on two - terminal asynchronous data, which can make correction for the integrate error of line parameter, length of transmission line, sampling value and so on. at the same time, it can work out the two - terminal asynchronous phase angle with the corrected parameters
本論文在充分分析了國內外故障測距的理論與技術以及存在的問題后,針對輸電線路故障定位因線路參數變化對定位準確度的影響,提出了能夠對線路的參數、長度和采樣值等誤差等進行綜合誤差修正( cie )的新演算法,並利用修正後的參數來求解兩端的不同步相角差。In addition, the author puts forward that the eggs could be recognized based on the difference in the frequencies of their prompted sounds. because the eggs " prompted sounds are lied on low frequency bands, the microphone and sound amplifier that have excellent duration response should be used. the output signal from the sound amplifier is transferred to data signal by a / d card before it is put into computer
蛋品激勵出的聲音主要集中在低頻段,因此選擇在低頻段有好的頻率響應特性的麥克風和放大電路;放大輸出信號通過a / d採集板變換成相應的電壓數值信號送入計算機,對離散的信號數據進行傅立葉變換得到它的頻譜圖和各頻段能量分布圖;而後將能量分佈特徵數據作為神經網路的輸入值,這樣,好蛋和破損蛋的模型就建立起來。The pid control of output voltage feedback is easy to give attention to static and dynamic performance of the control system. output performance of inverter of ups is improved when rms of output voltage feedback is added to pid control system. the hardware and software is designed in order to achieve the digital pid control of inverter of ups
設計了用於逆變器數字化控制的采樣調理電路,結合tms320f240的硬體資源,通過軟體實現了ups系統的緩起動和市電跟蹤,並改進了逆變器電壓瞬時值控制,通過引入輸出電流中心值檢測,對反饋電壓進行補償,解決了逆變器輸出的偏磁問題。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。The water quality respond relation of input - output measurements are established by systematic theory in this paper. according to the peculiarity of hydrology and the necessity of water quality inverse problem the multi - parameter inverse problem model based on ordinary differential equation is developed. the existence and uniqueness of the solution of the ordinary differential equation about two parameters or multi - parameter are to be proved. the unstability depending on errors between monitoring data and interpolation approximate data are analyzed and demonstrated. cubic spline interpolation function, the least two multiply and positive rule method are conjoined for obtained solution of multi - parameter. the results from this algorithm indicats its efficient to the multi - parameter identification in water quality modeling
本文應用系統理論,建立了水質多參數輸入輸出之間的響應關系;根據河流水文水質變化特點和參數反問題的需求,建立了水質常微分方程多參數反問題模型.根據常微分方程參數反問題的數學理論,作者給出了兩參數和多參數水質常微分方程反問題的解的存在性、唯一性的理論證明過程和結論;還針對水質現有監測資料的測驗誤差和插值近似計算誤差造成參數反問題的不穩定性,將三次樣條插值函數、超定方程最小二乘法和正則化演算法有機地結合使用,成功地給出了水質參數反問題的穩定化演算法.最後給出了應用計算結果Number display may use the pictured numeric output string buffer to hold partially converted strings ( see 3. 3. 3. 6 other transient regions )
數字顯示可以使用圖樣數值輸出字串緩沖區來保存部分轉換的字串(參閱: 3 . 3 . 3 . 6其他暫時的區域)According to the following design theory : the dsp calculates in real time and produces three phases spwm waves to control the on or off of the 6 igbts in ipm respectively. ipm then inverts the commutated single phase direct current ( insulated gate bipolar transistor ) into three phases alternating current. when modulated signals of spwm are changed, the on - off time of switches also changes, so as to the voltage and frequency of output signals
本文提出了一種基於dsp (數字信號處理器tms320f240 )的通用的三相間接變頻電源系統,利用分段同步調製法和混合查表法,實時計算不同頻率下的采樣周期、電壓幅值、輸出脈寬,產生雙極性spwm波形,經驅動放大後用于ipm ( intelligentpowermodule )中的絕緣柵雙極型晶體管柵級驅動,以控制電源的輸出電壓和頻率,實現變頻電源的智能數字控制。分享友人