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exponential function transorm 指数变换法
The envelopes of the strain peaks is an exponential function. 应变峰值的包络线是一个指数函数。
The logarithmic function is defined as the inverse of the exponential function. 对数函数是作为指数函数的反函数来定义的。
An exponential function is one in which the variable appears in an exponent. 指数函数是指数中出现变量的函数。
Decaying with time, especially as a simple exponential function of time. 瞬变的随时间延续而衰减的，尤指作为时间的一个简单的指数函数
Decaying with time,especially as a simple exponential function of time. 瞬变的随时间延续而衰减的，尤指作为时间的一个简单的指数函数
An exponential function is one in which the variable appears in an exponent . 指数函数是指数中出现变量的函数。
The paper gives a derivation rule of the power exponential function and analyzes some common calculation methods. 摘要证明了一条幂指函数的求导法则，并总结了幂指函数导数计算的常用方法。
This is related to the power function derivation and the exponential function derivation. 这与幂函数的求导和指数函数的求导有着密切的关系。
The exponential function rules of coal briquette penetrability coefficient were found on the coal briquette loading and unloading. 在卸载过程中型煤透气性与正应力之间符合幂函数规律。
Based on that,further analysis found regression curve is closely exponential function y=6.874e-4.604x in correlation between wood density and optimal value of interference fit. 在此基础上;进一步探讨最佳过盈配合量与木材密度的相关性;得到其回归拟合曲线近似为指数函数y=6.;874e-4
Abstract In order to compare the influence of weight function on computational precision,the quartic spline function and exponential function were chosen as the weight function. 为了比较权函数对无网格法计算精度的影响，选取样条型权函数和指数型权函数及其不同影响域半径，运用移动最小二乘法分别构造插值函数。
In order to compare the influence of weight function on computational precision,the quartic spline function and exponential function were chosen as the weight function. 为了比较权函数对无网格法计算精度的影响,选取样条型权函数和指数型权函数及其不同影响域半径,运用移动最小二乘法分别构造插值函数。
Experimental results indicate that the viscosity of cement-based grouts is time-dependent,and the law conforms to an exponential function where the shear shows no apparent law,i. 通过大量试验证明水泥基浆液的粘度存在时变性,其规律符合指数函数分布;而动切力随时间变化不大,可视为无时变性。
A nonlinear exponential function is applied to ESO and nonlinear state error feedback (NLSEF) controller, and it makes the system realize easier operation. 并在系统的扩张状态观测器和非线性状态误差控制器中引入非线性幂指数函数，使系统运算变得更加简单。
As for the early settlement of subgrade, it is described by negative exponential function, in which both time and consolidation pressure are considered. 对非填筑阶段早期的地基沉降，采用与时间和固结压力有关的指数函数预测模型进行计算。
During the first four months, it is well fit by the exponential function a0 +a1 e-t/t, and the relaxation time of each component for each station are not quite the same. 而在震后120天内，则大多以之指数函数模式来加以描述，其各测站之分量震后松弛时间不尽相同。
In this paper, the effect of feeding speed on peen-forming is studied thorugh experiments, which shows that chordwise peen-forming deformation is the exponential function of feeding speed. 摘要试验研究了送进速度与抛丸成形之间的关系，结果显示，横向抛丸变形是送进速度的指数函数。
High-energy FLASH frames destroyed bubbles every 15 cardiac cycles, and resultant time-intensity curves derived from these sequences were fitted to an exponential function as y = A(1-e -bt )+c from which the rate of signal rise (b) was obtained. 每 15个心动周期进行 1次破泡。破泡后的再充盈时间 -强度关系可用公式y =A(1-e-bt) +c表示 ,依此可得到信号增加率b。
The relation were good between ALP/Cr, PALP/Cr or thermostable ALP/Cr (y) and pregnant weeks(x) with exponential functions. ALP、PALP、耐热ALP活力及其与肌酐比值与孕周为指数函数时相关性良好 ;