digital approximation
英 [ˈdɪdʒɪtl əˌprɒksɪˈmeɪʃn]
美 [ˈdɪdʒɪtl əˌprɑːksɪˈmeɪʃn]
数值逼近（近似）；近似值
双语例句
- Parabola cylindrical functions D-n ( z) have some important applications in the fields of quantum mechanics, digital approximation, function theory ect.
抛物线柱函数在量子力学、数值逼近、函数论等领域都有重要应用。 - Digital Feedforward Control Based on Pade Approximation
高精度伺服系统基于Pade近似的数字前馈控制器 - This paper introduces the principle and method for the design of IIR digital filter with constant group delay. The approximation problem using the minimum p-error criterion and the stability problem are discussed.
本文叙述了具有恒定群时延特性的IIR数字滤波器的设计原理和方法，扼要讨论了用最小p乘方误差准则的近似问题以及稳定性问题。 - To achieve high precision, low power dissipation and low cost of dynamic analog-digital converters in modern digital and analog-mixed signal system, a successive approximation register analog-to-digital converter ( SAR-ADC) of 10 bits and 200 × 10~ 3 samples/ s was proposed.
为解决现代数字和数模混合系统中动态模数转换器高精度、低功耗与低成本之间的矛盾，提出一种10位和200×103/s采样数的逐次逼近式模数转换器（SAR-ADC）。 - Making full use of the correlated space information of multi-beam bathymetric data, the author put forward a method of Gaussian surface approximation to build the grid net of regular Digital Terrain Model ( DTM) of surveyed seafloor, which is more accurate than other approximation methods.
本文充分利用了多波束数据的空间相关信息，提出了一种基于高斯地形曲面拟合的数字地理模型数据网格化方法，准确快速地得到标准等深线图。 - Design of 2-D IIR Digital Filters Based on Butterworth Approximation
基于巴特沃斯逼近的二维IIR数字滤波器的设计 - The coarse tuning structure is composed of two digital modules, including a successive approximation register and a frequency comparator with a novel structure.
该粗调环路由数字电路设计实现，包含逐次逼近寄存器和新结构的频率比较单元两个模块。 - A curve approximation method based on Cellular Automata was produced, and was applied to digital approximation of hydraulic turbine performance data.
给出一种基于元胞自动机的曲线逼近方法，并将这种方法应用于对水轮机的特性数据进行数值逼近。 - Using the ITAE criterion as a performance index, the method is presented for obtaining optimum tuning parameters of the PID algorithm expressions of main loop and vice-loop in the direct digital cascade control systems through the use of simplex method and step by step approximation method.
本文以ITAE积分准则为性能指标，提出了采用单纯形寻优技术和遂步逼近法选择直接数字串级控制系统主、副回路PID算式中最佳整定参数的方法。 - FIR Digital Filter Design Based on Proximate Best Uniform Approximation Theory
基于近似最佳一致逼近原理的FIR数字滤波器 - After investigating into the design of classical FIR digital filter, a method of FIR filter design based on proximate best uniform approximation is proposed.
在对经典FIR数字滤波器的设计方法进行研究基础上，提出了一种基于近似最佳一致逼近原理的FIR滤波器设计方法。 - A Digital Approximation Method for Smoothing Cam Profile in ICE
内燃机配气凸轮型线光顺的数值逼近法 - These identities play an active role in the applications of quantum mechanics, digital approximation ect.
这些恒等式对抛物线柱函数在量子力学、数值逼近等方面的应用起到积极的作用。 - Main conclusions were below: ① The diagnosis equation was solved with quasi-Newton method and digital approximation, it increased equation solution speed.
得到以下主要结论：①采用拟牛顿法和数值迭代相结合的方法进行故障方程的求解，提高诊断运算速度。 - On the other hand, with the development of digital image processing, interpolation and approximation have been widely used.
另外，随着数字图像处理技术的迅速发展，数值逼近在数字图像处理中也有了广泛的应用。 - Pulse width modulation is difficulties and focus in the inverter control system. This task in-depth study of several digital SPWM generation methods ( including the tangent approximation sampling method and the secant approximation sampling method).
脉冲宽度调制技术是逆变控制系统设计的难点，本课题深入研究了几种SPWM的数字化生成方法（包括切线逼近采样法和割线逼近采样法）。