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successive approximation是什麼意思,successive approximation的意思翻譯、用法、同義詞、例句

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常用詞典

  • 逐次逼近法,逐次近似計算法;連續的近似值;連續的學習步驟

  • 例句

  • The link-fraction approach is a kind of successive approximation.

    連分數方法是一種逐步逼近的數值計算方法。

  • In this paper , a DP with successive approximation method is designed for solving the hydropower unit commitment problem.

    文章設計了一種逐次逼近動态規劃法,可用于求解水電機組的組合問題。

  • For time-delay systems with persistent disturbances, a successive approximation algorithm of optimal tracking control was proposed.

    針對在外部持續擾動下的線性時滞系統,提出了一種最優跟蹤控制的逐次逼近算法。

  • By using the successive approximation approach, the original optimal control problem is transformed into a sequence of nonhomogeneous linear two-point boundary value (TPBV) problems.

    利用該算法可将在擾動作用下的非線性系統的最優控制問題轉化為求解線性非齊次兩點邊值序列的問題。

  • The suboptimal control for nonlinear systems with time-delay in state variables is considered, and a successive approximation approach is proposed.

    對狀态變量含有時滞的非線性系統的次優控制問題進行了研究,提出了一種次優控制的逐次逼近設計方法。

  • When realizing high accuracy successive approximation ADC, the traditional binary searching algorithm is too ****** to satisfy 16 bit ADC design requirement.

    在實現高精度的逐次逼近ADC時,傳統電荷重分布的二進制搜索算法過于簡化,已經不能滿足16位ADC設計的要求。

  • It is a method ****** the least square line into successive approximation turn operation.

    這個新方法是一種把最小二乘直線進行“逐步逼近轉動操作”的方法。

  • It is not possible for flash- and successive approximation A-D converters to have high resolution at very high conversion rate.

    全并行(閃爍型)A/D轉換器和逐次逼近型A/D轉換器不能同時達到很高的轉換速度和分辨率。

  • The successive approximation search can then be initiated.

    然後可以啟動逐次近似搜索。

  • The successive approximation converter is of medium speed, and average resolution.

    逐次逼近式轉換器具有中等的速度和分辨率。

  • The method converges faster than conventional successive approximation method (SAM) and can be applied to high conductivity contrast formation.

    與傳統的逐次逼近解法(SAM)相比,該方法收斂性強,應用範圍廣,可適用于高電導率對比地層。

  • The integral equations were computed by modified successive approximation method(MSAM). The method needs less computer memory requirements and is suitable for high-conductivity-contrast formation.

    采用改進型逐次逼近解法(MSAM)計算了積分方程,該方法所需内存量小,且可適用于高電導率對比度地層。

  • During the design of successive approximation register(SAR) A/D converter(ADC), the matching of binary weighted capacitor network has great influence on the resolution of ADC system.

    在逐次逼近型(SAR)A/D轉換器的設計過程中,電容網絡的匹配精度對A/D轉換器系統精度有着至關重要的影響。

  • Firstly, by use of the successive approximation method and a series of classical estimates, the local existence and uniqueness of weak solution are proved.

    利用逐次逼近方法和一系列經典的估計,證明了弱解的局部存在性和惟一性。

  • Consider what the definition-use pairs would be for the successive approximation version of square root!

    考慮什麼定義使用對會是為方根的連續略計版本!

  • This paper develops a successive approximation algorithm of feedforward and feedback optimal control for linear large-scale systems with state time-delay affected by persistent disturbances.

    針對在外部持續擾動下的線性時滞大系統,提出了一種前饋反饋最優控制的逐次逼近算法;

  • The factors, which introduce the error of temporal differential estimation are, analyzed. The successive approximation calculation model for the optical flow estimation is put forward.

    分析了光流計算中産生時域微分估計誤差的各種因素,提出了光流的逐次逼近計算模型。

  • The mathematical model is based on the calculation of geometrical figures by graphic method and the solution is obtained by successive approximation.

    數學模型系以對圖解法幾何圖形的解算為依據,并以逐步逼近計算法求解。

  • Successive approximation and least square collocation are used to find the solution of geometrically nonlinear bending problem of orthotropic rectangular plates.

    用逐次逼近法和最小二乘配點法求正交異性矩形薄闆彎曲的幾何非線性解。

  • Successive approximation method is directed to solve the peak modulation problems.

    基于逐次逼近算法求解梯級調峰模型,給出了計算步驟。

  • A capacitor self-calibration circuit used in a successive approximation analog-to-digital converter (SA-ADC) is presented.

    設計了一種用于逐次逼近型ADC中的電容自校準電路。

  • Successive Approximation Spectrometry method has been developed and it has been stu***d in application of compound preparation by compound APC tablets and Andoyne tablets.

    本文建立了逐步逼近分光光度法,并以複方乙酰水楊酸片和去痛片為對象就該法在複方制劑組分含量測定中的應用進行了研究。

  • A successive approximation method is suggested without value limit of wave velocity. The formulas for calculating the initial propagation velocity of reverse plastic loading boundary are also given.

    建議了一個不受波速值限制的逐步近似法,并給出反向塑性加載邊界傳播速度的計算式。

  • Based on successive approximation approach, the problem of the linear-quadratic feedforward and feedback optimal control for nonlinear discrete-time systems with external disturbances is considered.

    基于逐次逼近法,線性二次型的前饋-反饋最優控制的非線性離散時間系統與外部的幹擾被認為是問題的。

  • 專業解析

    逐次逼近法(successive approximation)是數學和工程領域中廣泛使用的疊代計算方法,其核心思想是通過連續改進的估計值逐步接近目标解。該方法在數值分析、控制系統和電子電路設計中具有重要應用。

    基本原理與應用領域

    1. 數學求解:用于非線性方程或微分方程的近似解,例如牛頓-拉夫森疊代法通過每次疊代改進根的估計值(來源:高等教育出版社《數值分析》第5章)。
    2. 電子工程:逐次逼近型模數轉換器(SAR ADC)通過二進制搜索策略逐位确定數字輸出,具有精度與速度的平衡特性(來源:IEEE标準文件754-2019)。
    3. 機器學習:強化學習中的策略疊代算法,通過反複評估和改進策略函數實現最優決策。

    典型實現過程 設目标函數為$f(x)=0$,疊代公式可表示為: $$ x_{n+1} = x_n - frac{f(x_n)}{f'(x_n)} $$ 這種逐步修正的過程,誤差隨疊代次數呈指數下降。在16位SAR ADC中,該原理可将轉換時間縮短至傳統方法的1/16(來源:Texas Instruments技術文檔SLAAE10B)。

    曆史發展 該方法最早可追溯至17世紀牛頓的《流數法》,20世紀40年代由美國數學家Stephen D. Fisher完善理論框架。現代應用中,NASA将其用于航天器軌道校正算法,疊代誤差控制在10^-9量級(來源:NASA技術報告NTRS-2017-019634)。

    網絡擴展資料

    “Successive approximation”(逐步逼近/逐次近似)是一個跨學科術語,在不同領域有不同的具體含義,但核心思想均指通過多次疊代或漸進步驟接近目标。以下是詳細解釋:


    1.基本定義


    2.數學與工程學中的應用

    在數值分析和工程領域,它指疊代求解方法,例如:


    3.心理學與行為科學中的應用

    在行為心理學中,稱為“逐步接近法”(Shaping),用于訓練複雜行為:


    4.其他領域


    “Successive approximation”的本質是通過“分階段修正”減少誤差或複雜性。具體含義需結合上下文判斷,例如:

    如果需要更具體的領域解釋,可進一步說明使用場景。

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