逆對數 的英文怎麼說
中文拼音 [nìduìshǔ]
逆對數
英文
antilogarithm-
( 2 ) it explains the basic concept of time series, some kinds of the common time series models and the development characteristics of time series in detail. it analyses how to judge the model from the self - related function and the deviation related function. determining a better standard to set up models from the comparison of some kinds of fixed step time series standards, then predicts utilizing the counter function
( 2 )詳細闡明了時間序列的基本思想、幾種常見的時間序列模型以及時間序列的動態特徵,分析了如何利用自相關函數和偏相關函數來對模型進行判定,通過對時間序列的幾種定階準則的比較,確定一種好的定階準則來建立模型,從而可以利用逆函數法進行預報。This dissertation can be divided into three parts as following : focusing on institutional risk control, this dissertation demonstrated the effect of institutional risk on dis " objects by analyzing the relationship between deposit insurance and financial development, financial stability and market discipline, in light of foreign or native primary theory and empirical results of dis. in virtue of statistical method and with the theory of game, this dissertation explored the cause the institutional risk such as moral risk and adverse selection, on the basis of which discussed the approach of controlling institutional risk and proper deposit insurance pattern. because deposit insurance assessment is the core of institutional risk control, this dissertation introduced and discussed deeply the passive casualty - insurance model, the option - pricing model, the game - theory - based pricing model, and reasonable pricing interval, and put forward the hierarchical pricing strategy of dis on the balance of information confiscatory and risk - based - assessment necessity
本文以存款保險制度風險控制為中心,在借鑒國內外關于存款保險制度的基本理論和實證的基礎上,通過分析存款保險與金融發展、金融穩定和市場懲戒等方面的關系,論證了存款保險制度風險對存款保險制度目標的影響;並藉助統計學的方法,運用信息博弈論的觀點,從主要制度參與者? ?投保機構和存款保險機構? ?的效用函數出發,對存款保險所引發的道德風險和逆向選擇等制度風險的成因進行深入的剖析,探討有效控制制度風險的途徑和制度參數的安排模式;由於存款保險定價是制度風險管理的核心問題,本文還專門對意外存款保險消極模型、存款保險的期權定價模型、基於信息經濟學的存款保險定價模型以及合理定價區間等定價模式進行深入分析和詳細評述,闡述各種定價思路的局限性和可能運用的空間,通過權衡信息的充分性和風險定價的必要性,提出存款保險制度的層次性定價策略。Coordinate system of the manipulator is built, and kinematic equation is obtained. the reverse kinematics of the robot is analyzed using algebra and geometry, and the conditions to eliminate excrescent results are presented. and the working space of the mechanical arm is gained, singularity of the manipulator is analyzed
對機械臂進行了運動學分析,建立機械臂坐標系,建立正運動學方程,並採用代數法和幾何法求解機器人逆運動學問題,並給出剔除多解的條件,求解出機器人手臂的工作空間和雅可比矩陣,並對機械臂的奇異性進行分析。( 4 ) on the efficient method for the dynamical core of the new generation multi - scale forecasting model i ) we present a new multi - level sparse approximate inverse preconditnioner for the complicated 3 - d helmholtz equations in the new generation weather forecasting model. as a result, the new sparse approximate inverse preconditioned gcr and gmres algorithms are given and successfully applied in the dynamical core. numerical tests show that the new algorithms perform very efficiently, and can greatly improve the efficiency of numerical model
對此,本文提出了一種基於逐層門限技術的近似逆矩陣稀疏模式預選方法,並構造了相應的稀疏近似逆預條件子,結合gcr演算法和g州[ r衛s演算法,首次將逐層門限稀疏近似逆預條件子應用於新一代多尺度預報模式動力內核的實際計算,數值實驗表明這里給出的方法可以大大提高數值模式的計算效率。Presents a new method for fairing of curves which has a small flexibility based on fitting the derivative of second order of curves. we fit the derivative of second order of curves by a polynomial fitting, then find an indefinite integral of this polynomial to get a approach of curves. otherwise, we discuss the analyze of the error and the optimize of fairing to this arithmetic
提出了一種針對小撓度曲線的逆向曲線光順演算法,該演算法直接擬合曲線型值點列的二階導數曲線,然後通過兩次積分來反求出光順后的曲線,並對該演算法的誤差分析、效果分析、光順優化等問題進行了深入探討。Heating principle of intermediate frequency induction furnace and some factors affecting its power factor are discussed, some betterments that parallel connection spacer circuit is replaced by interfusion connection spacer circuit are put in practice
摘要對中頻感應爐的加熱原理以及其功率因數的影響因數進行了探討,並將不能恆功率輸出的並聯逆變電路改進為混聯逆變電路。Traffic accident simulation and control technology are simulating the environment and driving process, simulating the operation situation of accident vehicle on the road, making kinematic analysis based on data such as vehicle collision, stop location and collision narks, to determine the normally running line and the speed of vehicle before the accident, presume the collision speed course reversely, use 3d graphics technology to reappearance accidents process, provide scientific theory for the analysis of the cause, make corresponding protect safety technology and strategy
交通事故模擬與控制技術是對駕駛環境與駕駛行為進行模擬,模擬車輛在道路上發生事故的運行情況,根據車輛碰撞位置和停止位置、車身碰痕等事故現場數據進行運動學分析,確定車輛在事故前正常行駛時的速度和路線,逆向推定碰撞車速及事故過程,應用三維圖形技術再現交通事故過程,為分析事故成因,提出相應的交通安全保障技術和策略奠定科學理論依據。We can find a polynomial model of a time series in case its associated matrix is not diagonal and not of full rank by using the transformations of the exponential and the logarithm
對于不能對角和不滿秩的時間序列矩陣,運用指數對數的可逆變換及相關的列變換化為滿秩可對角的時間序列矩陣,從而找到代數多項式模型。So with the wide i / o linearization method of nonlinear reverse function, the generalized prediction control algorithm with dead area nonlinear compensation is suggested
因此我們針對死區非線性特性,採用非線性逆函數的全局i / o線性化方法,提出了具有非線性補償的廣義預測控制演算法。This d format can show the range of the data intuitively and express the real time data, which improves the speed and precision of svpwm arithmetic greatly. the ratio of carrier wave is increased and the blend of current is reduced, as a result the performance of the system is ameliorated. this thesis project has finished the debugging of the ac motor control system, and the result shows that hardware and software of the designed system is in reason
在實現svpwm演算法的匯編程序中採用了一種新型的d定標法對標幺化的數值進行定標,這種d定標法能直觀的表示數值的大小范圍,可以實時的對數值進行定標,提高了svpwm演算法執行的精度和速度,增加了逆變器的載波比,減少了電流諧波,因而改善了交流變頻調速系統的性能。In its digital processing circuit, clock chip with high precision and temperature compensation is uesd as reference clock. high frequency reversible counter is used to count trimmed impulse signal forward or backward and two pathes saw signals are selected timely by multichannel selector
數字信號處理電路採用高精度、具有溫度補償的時鐘晶元作為基準時鐘,採用高頻可逆計數器對整形后的脈沖信號進行正向或逆向計數,採用高性能的多路選擇器控制兩路saw信號的定時選擇。Compared with digital integrator composed of reversible counter, the trapezoidal formula digital integrator is utilized in integrating element of phase - lock controller, it has advantages in simple realization, fast transient response, wide lock range, insensitivity to disturbance
對鎖相控制的積分環節採用了梯形公式數字積分器,與可逆計數器構成的數字積分器相比,梯形公式數字積分器具有實現簡單、動態響應快、入鎖范圍大、抗擾動能力強等優點。Under the different conditions of the constrained functions, dividing constrained sets properly, and under generalized ( f, ) convexity, the theorems of the weak duality, strong duality and strictly reverse duality are testified
依所給約束函數的不同條件來恰當劃分約束集,在廣義( f , )凸性下,證明了弱對偶定理、強對偶定理以及嚴格逆對偶定理。The functions of graphic tools are limited in the course of the computer assists the software analysis, and insufficient support to consistency maintenance to data share automatically, this paper proposes consistency maintenance mechanism of software configuration based on graph and data structure reciprocal mapping
本文針對計算機輔助軟體分析過程中現有case系統存在的圖形化工具功能有限,對數據自動共享的一致性維護支持不足等問題,提出了基於圖數互逆映射技術的軟體配置一致性維護機制。Picture that put forward in the article graph and data structure reciprocal mapping support not merely to map graph from data structure efficiently, besides, regard graphics element as a unit, analyze and discern to user ' s modified graph, produce the corresponding data structure automatically, maintain consistency of graph and data structure efficiently on the foundation of expanding case graphic tools effectively, we direct against the intrinsic characteristic of traditional waterfall model, proposesmall loop model to software analysis based on graph and data structure reciprocal mapping solve problems of slow information feedbackand high track back cost efficiently
文中提出的圖數互逆映射的思想,不僅對數據結構到圖形映射進行高效率地支持,同時,以圖形元素為單位,對用戶修改後的圖形進行分析和識別,自動生成相應的數據結構,有效地維護了圖數一致性。在對case圖形化工具進行有效擴展的基礎上,我們針對傳統瀑布開發模型的固有特點,提出了基於圖數互逆映射的軟體分析小循環模型,有效解決了傳統軟體分析設計階段信息反饋慢、回溯代價高等問題。On the one hand, the linear interpolation in ( x, y ) plane makes it easy to separate the three - dimensional null subspace corresponding to rigid body motions, hence what is left to do is just to compute the inverse of a symmetric definite submatrix numerically. in this way the numerical difficulty in computing general inverse can be avoided
在物理坐標系中的線性插值函數便於將三個剛體模式分離出來,從而只需計算對稱正定子陣的逆,避免了求廣義逆的數值困難;在參考坐標系中的高階插值函數則可保持原平面彈性單元的列式方式。The rsort ( ) function sorts an array by the values in reverse order
函數的作用是:對數組的值進行逆向排序。You will also learn how to use azzurri clay to create entity relationship diagrams erds, reverse - engineer databases, add tables, edit tables, delete tables, edit relationships, add indexes, and change your underlying data model into different sql dialects
您將看到如何使用azzurri clay建立實體關系圖( erd ) 、對數據庫進行逆向工程、添加表、編輯表、刪除表、編輯關系、增加索引以及將底層的數據模型改為不同的sql方言。The krsort ( ) function sorts an array by the keys in reverse order. the values keep their original keys
函數的作用是:對數組按照鍵名逆向排序,元素的鍵名保持不變。6 ruanaidh j, pun t. rotation, scale, and translation invariant digital image watermarking. signal processing, 1998, 66 : 303 - 317. 7 lin c, wu m, bloom j, cox i, miller m, lui y. rotation, scale, and translation resilient watermarking for images
本文提出了一種數字圖像水印中的新技術,其特點是:在圖像數字水印的檢測中具有較強的識別能力避免了計算逆的對數極坐標仿射ilpm ,保證了嵌入數字水印后圖像的質量同時也避免了窮舉的搜索,減少了計算時間和誤檢率。分享友人