...数值大多以水体深度积分的型态呈现,积分的方 法是将有光层深度 (Ze) 中的各项参数的各个深度读值以梯形法 (trapezoidal method) 计算,并冠以大写字母I (integrated) 以便与冠上 S (surface) 的表水参数值区别。
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梯形法(trapezoidal rule):对每个子区间用梯形近似 Simpson’s rule:approximating the integral of a function g using quadratic polynomials
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使用了自动生成参数矩阵及连接矩阵的技术,并采用梯形法求解微分方程,可对一般性的输入信号进行迅速、准确的仿真输出。
The paper also describes the technique of forming parameter matrix and linking matrix automatically and solving the differential equations of all kinds of signals.
变换伽辽金法对具有梯形截面脊形光波导的本征模式特性作了分析。
The mode dispersion characteristics and cut-off properties of rib waveguide with trapezoidal cross section are investigated.
本文介绍了用广义坐标法推导的梯形截面箱梁约束扭转计算的基本微分方程;
Using the generalized coordinates method, fundamental equations for the restrained-torsion of thin-walled box girders of trapezoidal cross section are derived.
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