函數的殘數 的英文怎麼說
中文拼音 [hánshǔdecánshǔ]
函數的殘數
英文
residue of a function- 函 : 名詞1. [書面語] (匣; 封套) case; envelope 2. (信件) letter 3. (姓氏) a surname
- 數 : 數副詞(屢次) frequently; repeatedly
- 的 : 4次方是 The fourth power of 2 is direction
- 殘 : Ⅰ形容詞1 (不完整; 殘缺) incomplete; deficient 2 (剩餘的; 將盡的) remnant; remaining 3 (兇惡...
- 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
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Residual a posteriori error estimate two - grid methods for the steady navier - stokes equation with stream function form
方程流函數形式兩重網格演算法的殘量型后驗誤差估計The elastic foundation model is considered as two - parameter elastic foundation model and its effect to moderate - thick plates are taken into account by a set of governing differential equations. united with hu hai - chang ’ s function, least squares collocation weighted residual method which uses b - spline function as trial function is put forward for solving the bending problems. compare with the results of finite element method of lines, spline finite strip method, accurate solution of series etc. it is proved that the method in this article has adequate accuracy and practical feasibility
本文採用瑞斯納中厚板理論求解彈性地基板,建立雙參數地基與中厚板相互作用的控制微分方程,結合胡海昌的解耦函數,運用雙五次b樣條函數作為試函數的離散型最小二乘加權殘值法分析了雙參數地基上的中厚板的彎曲問題,並將結果與有限元線法、有限條法、級數精確解等進行比較,證明本文方法具有足夠的精確性與實際的可行性。It exploits the structured of the hessian matrix of the objective function sufficiently. an attractive property of the structured bfgs method is its local superlinear / quadratic convergence property for the nonzero / zero residual problems. the local convergence of the structured bfgs method has been well established
它們充分利用了目標函數的hesse矩陣的結構以提高演算法的效率,該演算法的顯著優點是對于零殘量問題具有二階收斂性而對于非零殘量問題具有超線性收斂性。We deduce the correlation functions of order parameter by hyperboloid function ( t > tc, t < tc ), and then compare the two functions to get the change of specific heat, and to get correlation length ? as the token of correlation degree
利用殘數定理分別求t t _ c , t t _ c時的關聯函數,發生相變時比熱的躍變,找到表徵關聯的特徵量? ?關聯長度,進一步確定landau理論的適用范圍。Thirdly, the process of this algorithm is described in detail, and a comparison of the dc - dispersion results among different size of window functions is made
然後詳細講述了這種消色散演算法的具體實現步驟,並且比較了在選取不同長度的時間窗函數的情況下,消色散的處理過程和殘余色散量。The adaptation processing includes linear prediction coefficient adaptation and adaptation of quantization step size for residual signals. based on g. 726, we adopt a huffman coder to make use of probability statistic of bit cascade covering n ( n 1 ) samples generated from adpcm, in order to further reduce the bit rate. ng is lossless entropy coding, the speech quality of our improved algorithm should be same as that of g. 726 standard
我們的研究和改進工作包括:研究最優非均勻自適應量化器,及其自適應演算法;研究波形預測函數,以及函數零點、極點的自適應演算法;基於每n ( n 1 )個樣本所對應符號的概率統計,對預測殘差量化值再進行huffman編碼,進一步降低比特率。South high temperature and wet climate easily leads asphalt pavement to water damage, this writer participated in the guangdong meihe highway asphalt pavement construction, mainly through the asphalt mixture marshall immersion test, splitting freeze - thaw test anylyze asphalt mixture types and asphalt content ' s influences to the water stability, and gives the linear fitting relationship about the soaking remnants stability and freeze - thaw splitting strength and oil - stone ratio. and water stable indicators and the oil - stone ratio ' s second linear fitting relationship, finally stressed asphalt and asphalt amount significance to water stability
摘要通過瀝青混合料的浸水馬歇爾試驗、凍融劈裂試驗分析了瀝青類型及瀝青用量對瀝青混合料水穩定性的影響,並給出了浸水殘留穩定度與凍融劈裂強度與油石比的線性擬合函數關系,以及水穩性指標與油石比的二次函數關系,最後指出改性瀝青和瀝青用量對混合料水穩定性的意義。Then the difference between the output of the trained neural networks and that of the actual system is used as a residual, which detects the sensor fault. the diagnosis can then be performed by further exploiting the information provided from the residual signals according to certain rules introduced in detail in the thesis. simulating results show that the method can isolate any fault of the sensors in any input types and normal work frequencies
模擬結果表明,基於神經網路觀測器的故障診斷方法在系統正常工作頻率范圍之內,不受系統輸入類型和故障的類型的影響,只要故障對系統的特性發生影響(系統參數漂移3 ) ,通過神經網路觀測器的殘差判別函數可以診斷出故障。In this paper, we first analyze the input and output as well as cost - benefit rate of chinese livestock industry by the example of hog, beef, mutton and dairy cow. then, we choose the samples from different regions in different time, use the stochastic production frontier suggested by battese and coelli ( 1992 ), which is aimed at the panel data ( balanced or unbalanced ), and make the econometric analysis for the growth of hog, beef, mutton, and dairy cow. different from the former research for livestock industry, the efficiency measurement theory is introdiced into the growth model and the tfp is dissolved into technical advancement, technological efficiency and residual, the translog production function is used to make the estimation more precised
本文首先以生豬,肉牛、肉羊和奶牛為例對近年來我國畜牧業的投入產出和成本收益狀況進行了分析,然後採用battese和coelli在1992年提出的針對混合數據( paneldata )的隨機邊界生產函數形式,在不同地區選取一定的樣本,利用樣本省的時間序列與截面混合數據,對生豬,肉牛,肉羊和奶牛的增長因素進行了分析,與以往對于畜牧業增長研究不同的是,將效率測算理論引入生產增長模型,把全要素生產率分解為技術進步、技術效率和殘差項,並採取了更加符合實際的超越對數函數形式,使傳統上使用的索洛余值法得到改進,更深層次的剖析了我國畜牧業目前的增長方式。In the paper, some key technique such as low - order modes correction for wave - front error, normalized phase power spectrum, atmospheric turbulent phase structure function, the residual phase structure function after low - order correction and strehl ratio are all analyzed
提出了利用自適應光學系統校正低階模式波前誤差的方法與理論依據,引入規格化的相位譜,推導了大氣湍流相位結構函數、低階模式校正後的殘余相位結構函數以及斯特列爾比。( 1 ) for wireless physical layers, the efficiency function is defined to quantify the upper layer throughput per unit of wireless resources while maintaining a certain maximum remnant bit error rate subjected to a certain snr
( 1 )針對無線物理層,引入效率函數來表徵在一定殘余誤碼率ber要求和一定通道信噪比snr情況下,上層應用正確傳輸的數據量和下層無線資源的關系。The functional descriptions of these error mechanisms which can reveal how errors of various blocks in adc affect the output sample are provided ; analyses show that the first stage of the converter is dominant in a pipeline
首先,通過研究流水線采樣保持電路、子adc 、子dac和殘差放大級的主要誤差機制,用函數表達式將誤差等效到采樣輸出端,量化各部分誤差對系統性能的影響。In the second, in allusion to non - stationary the characteristic of the signal, the author introduces to the method that using empirical mode decomposition to analysis the vibration signal so that the signal are made up of some intrinsic mode function, after this process, we can use stochastic subspace identification to identification the mode parameter of the structure and find the same work frequency
其次,針對氣閥振動信號的非平穩特點,本文採用了經驗模式分解法( empiricalmodedecomposition )對振動信號進行分析處理,使之成為若干個基本模式函數imf ( intrinsicmodefunction )和一個殘余量的線性組合。接著採用隨機子空間參數識別法對各個基本模式函數其進行結構參數識別,同時找出各種狀態的共同工作頻帶。The minimum square method was used in regressing analysis for the result of treatment in a supposed distribution function, the " d " examination method was used for weibull distribution and index distribution, and obtained the distribution type in the life of the main shaft bearings, appraised the reliability life, the mean life and the reliability in 500hours of the main shaft bearings with theoretical distribution function
用殘存比率法、平均故障法和累積故障法對主軸軸承可靠壽命進行了評估,用最小二乘法對現場數據統計處理結果進行了假設分佈的回歸分析,並用d檢驗法對威布爾分佈和指數分佈進行了分佈檢驗,得出主軸軸承壽命分佈類型。利用理論分佈函數,對主軸軸承可靠壽命、平均壽命、 500小時的可靠度進行了評估。The main idea of this method include two steps : at first, the approximate expression of function is obtained by method of weighted residuals ; then the first and second moment of the random function can be calculated with method of moment
該方法的基本思想是利用加權殘值法獲得問題解的近似函數表達式,在此基礎上利用求解隨機變量函數的矩法求得隨機函數的一、二階矩等統計數字特徵。For multicomponent chirp signals with unbalanced amplitudes, an iterative algorithm combined with the paf is proposed to suppress the error propagation effect and residual signal in the peeling - off procedure. the corresponding time - frequency distribution for unbalanced signals is derived
針對多分量強弱信號,引入基於逐次減小誤差的迭代演算法,導出了能夠減小強弱信號相互影響的核函數設計方法,從而有效抑制誤差傳播和殘余信號。Then, robust fault detection and isolation problems for time - delay linear parameter - varying systems are investigated in this thesis. the residual generators are created by parameter - dependent filters, i. e. the designed filters are time - varying whose matrices parameters are known functions of time - varying parameters
其次,本論文研究了時滯lpv系統的魯棒故障檢測與分離問題,利用參數依賴濾波器構造殘差產生系統,即所設計的故障檢測濾波器也是時變系統,其參數矩陣是時變參數的確定函數。Furthermore, when the divided ii1 differences are used to approximate to the derivatives that are coefficients in linear arithmetic representations, computing linear arithmetic representations is converted to compute predicate residuals completely, which needs to analyze neither static nor dynamic data dependencies between the statements on w. at this time, the improved method is more powerful to generate test data, and can be used for black - box testing
更進一步,當用均差作為謂詞函數關于輸入變量的導數的近似時,計算線性算術表示就全部轉化為計算謂詞殘量,而後者無須分析w上各語句之間的靜態、動態數據依賴關系。此時,改進后的方法比原方法生成測試數據的能力更強,能夠用於黑盒測試數據的自動生成。Bonavito ' s algorithm is verified to be specially suitable to restore complicated images in a normal pc because of its good performance and short processing time, and so is zhuang ' s algorithm which is extended here for coping with the cases of low noise level and sparse data
本文對微分方程演算法進行了推廣,使之可以處理低噪聲及殘損圖像,還研究了恢復實際圖像時點擴展函數和噪聲參數的估計問題並提出了解決辦法,並對由於邊界截斷而導致的gibbs效應的常規處理方法做了改進。Furthermore, a fault accommodation method for a class of nonlinear system, which can be changed into output - feedback form, is proposed using a neural - network - based adaptive observer. the system faults can be detected through the residual generated by the proposed observer. the stability of closed - loop error system is guaranteed by lyapunov stability theory
針對該類系統,利用神經網路的一致逼近任意非線性連續函數的性質,構造神經網路自適應觀測器來獲取反映故障信息的殘差,採用lyapunov穩定性理論證明了誤差系統的穩定性。分享友人