equivalent adj. 1.相当的,相同的,同等的。 2.【化学】等价的,当量的;【数学】等价的;等量的;等势的;【物理学】等效的;【数学】等面积的,等体积的。 3.同意义的 (to)。 n. 1.同等物;【数学】等价,等值,等价物,等值物;等量物;相当物。 2.同义词,对应词句 (of)。 3.【化学】当量;克当量;等量。 4.【地质学;地理学】同期地层。 a square equivalent to a triangle 同三角形等积的正方形。 five pounds or its equivalent in books 五镑或相当于五镑价值的书籍。 chemical equivalent 化学当量。 electrochemical equivalent 电化当量。 transmission equivalent 【电学】传输衰耗等效值。 be equivalent to 等于;相当于。 adv. -ly
The method combines equivalent aperture normalization and a non-linear spectral estimation algorithm 这种方法利用等效口径分布等化结合超分辨算法实现方位超分辨。
First, based on the analysis to the development condition of computer and property of the input data of bridge, this paper, taking convenience and practicability as principle, develops the multi passages data-in system made up with human-computer interactive interface and excel import model . second, after comparing and analyzing to the calculation theories and methods of creep and shrinkage, clearing up the key steps of creep and shrinkage analysis, the paper takes incremental method to establish program to analyze secondary inner force caused by creep and shrinkage . third, the paper puts some optimal or simplified treatment to the contents of pre-stress and develops relative program; in addition, through analysis to the different methods used to calculate the secondary inner force caused by pre-stress, the paper combines equivalent load method with finite element, carries out some simplified treatments, and establishes program to calculate secondary inner force caused by pre-stress 首先,在分析当前计算机的发展状况及桥梁结构输入数据特点的基础上,以方便、实用为原则,采用人机交互界面和excel输入方式联合的多通道数据输入系统;其次,通过比较分析徐变收缩计算的各种理论及方法,澄清了徐变收缩分析的关键过程,并采用增量法编制程序,实现徐变收缩次内力分析;再次,对预应力的相关计算内容进行适当优化或简化处理,并编制相应程序;另外,本文还在比较预应力次内力各种计算方法的基础上,将等效荷载法结合有限元进行一些简化处理,编制程序实现预应力次内力的计算;最后以三个算例来校核计算方法及程序运行结果的可靠性,取得了预期效果。