theoretical frequency meaning in Chinese
理论频数
Examples
- The theoretical s - transfer function of ground - coupled envelope is deduced by laplace transformation . a simple polynomial s - transfer function is estimated from the theoretical frequency response of the ground - coupled envelope by frequency domain regression method , then we can calculate transient heat conduction through the ground - coupled envelope . it provides a novel idea to calculate the transient heat transfer from ground - coupled envelope more simply and efficiently
用频域回归方法求出触地结构多项式s -传递函数,通过实例验证了多项式s -传递函数与理论传递函数的等价性,并计算出触地围护结构的反应系数、导热z传递函数系数和地面瞬时热流,这就为更简单、高效地计算触地结构动态传热提供了一种新的思路。 - It will present a new method - frequency - domain regression ( fdr ) method based on system identification theory for calculating transient heat flux through multi - layer walls . first , the frequency characteristics of the total transmission matrix are calculated within the frequency range concerned . then , a simple polynomial 5 - transfer function is yielded from the theoretical frequency characteristics for internal , cross and external heat conduction by applying appropriate identification algorithm , respectively
首先在所关心的频域范围内计算出总的传递矩阵的频率响应，然后采用适应的辨识算法从墙体不稳定传热的理论频率响应中构造出一个简单的多项式s -传递函数，该多项式s -传递函数与墙体瞬时传热的理论的超越s -传递函数完全等价。 - Firstly , wall ’ s transfer matrix is deduced by laplace transformation based on 3r2c thermal network model . secondly , frequency response of transfer matrix is calculated . thirdly , we make the frequency response of transfer matrix of stimulation model equate the theoretical frequency response of wall transient heat conduction by applying appropriate identification algorithm , from which we can obtain every polynomial ’ s coefficient of model transfer function , then each parameter of resistance and capacitance is calculated by appropriate optimization algorithm
首先,根据仿真热流网络模型用拉普拉斯变换推出墙体的传递矩阵;然后,计算传递矩阵的频率响应;最后,采用频域回归方法求出模型传递函数各次项的系数,进而通过一定的优化算法确定模型的各个热阻、热容参数,使通过模型建立的多项式s -传递函数与墙体瞬时传热的理论超越s -传递函数完全等价。
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