本文对无穷大的阶进行了探讨，得到了关于无穷大阶的比较的几个结论。
This paper, a discussion of the order of infinity, has got several conclusions concerning the comparison of infinite order.
本文导出了二阶导数的多分辨表示公式，并与有限差分表示进行了比较分析。
In the paper, we proposed the formula of the multiresolution representation for the second derivation, and compared their difference.
但是，当模型的阶数很高时，无法计算并比较每一个备选模型的准则函数值。
However, when the order of ARMA model is very high, to compare every candidate model's criterion value is computationally infeasible.
在信道阶数未知情况下，对其导频采用循环前缀（CP）方式和补零（ZP）方式的性能做了比较分析。
The performances for both cycle prefix (CP) and zeros-padding (ZP) mode pilots are compared and analyzed in the case of unknown channel order (UCO).
计算考虑了积分阶次和约束条件对振型的影响，并与实验数值进行了比较，验证了理论分析的正确性。
Considering the integration order and the effect of constraint condition to the model shape, comparing model shape with experimental data, the analysis about theory is right.
稳定图方法是一种比较新颖的确定系统阶次的方法，但该方法容易识别出虚假模态。
Stabilization diagram is a novel approach to identify the order of the system, but it may yield false modes.
采用修正渐近法研究了在力学中应用范围比较广泛的一类具有变系数二阶线性齐次方程，并求得了其修正渐进解。
A class of second orders homogeneous equations with varied coefficient widely applied in mechanics were studied using the amended asymptotic method, and the amended asymptotic solution was derived.
边界单元法降低了求解空间的维数，减少了离散线性方程组的阶数，输入数据比较少，而工作效率高。
This method reduces the number of space dimension, makes the equation system lower order, less data input and higher efficiency .
提出了比较精确的计及极限环基阶谐波与三阶谐波的分析计算方法。
This paper presented an analytical method with more accuracy than before considering the fundamental arid the third harmonic in limit cycle.
本文找到了有限阶随机矩阵为离散骨架的一个比较初等的等价条件；
An equivalent condition for a finite order stochastic matrix to be a discrete skeleton is found in this paper.
应用谐波平衡法对系统三阶非线性微分方程组解析分析，与数值解比较验证了解析解的正确性和有效性。
The method of harmonic balance is applied to study the non-linear dynamic response of the third-order nonlinear partial differentiation system.
最后对仿真点目标双基地回波进行成像处理，结果与基于二阶距离模型的成像算法相比较，证明了本文等效距离模型和成像算法的优越性。
The quality of images of simulated bistatic echoes focused by the algorithm is much better than algorithm based on two-order range model at the case of large squint angle and high resolution.
利用数值方法对波浪压力进行了计算，并将一阶和二阶波压力的数值结果与实测值进行了比较。
The wave pressures are computed numerically and the computed first-order and second-order harmonic wave pressures are compared with the measured data.
为验证此方法的有效性和可靠性，对N阶色散媒质的反射系数进行了分析与计算，并与已知的解析结果进行了比较。
In order to verify the effectiveness of the approach, the reflection coefficient of the Nth-order dispersive media interface is calculated and compared with the known analytical results.
中国山西河东地区中阶煤储层的含气量比较低、含气饱和度低，而储层渗透性好，储层能量比较大；
The reservoirs of the medium rank coal characterize low gas content, low gas saturation, good permeability, and high energy in Hedong area of Shanxi, China.
二阶常系数非齐次线性微分方程的特解一般都是用“待定系数”法求得的，但求解过程都比较繁琐。
In general, special solution of non-homogeneous linear equation of constant coefficient of the second order is obtained by the method of undetermined coefficient, but it's process is too complicated.
通过大量的实例验证了算法的正确性，并与以往的降阶和节点去除算法进行了比较。
A lot of examples are provided to testify the feasibility of the method, and compare with some the existed degree-reduction and knot-removal algorithm.
通过比较各个形式箱梁的第一阶屈曲特征值，前四阶屈曲模态和极值屈曲荷载得出了不同形式的加劲箱梁稳定性能的定性规律。
From the calculation and the analysis the qualitative rules of the stiffener's influence to the stability of the box girder are obtained.
实验结果表明，改变施加在电流变体上的电压确实可以改变复合梁的整体振动特性，尤其是对第一、二阶频率影响比较明显。
The experimental results indicate that the first and second order natural frequencies increase with increasing electric field intensity, however, the third order one is changeless.
重力坝算例说明，2阶等效应力具有一定的网格稳定性，适合在重力坝工程中比较局部角缘应力。
The case study of a gravity dam shows that the 2-order equivalent stress is somewhat mesh independent, and suitable to be used to evaluate the corner stress of gravity DAMS.
当高层建筑的高宽比较大时，基阶固有频率相对较低；
The basic natural frequency of high-rise buildings with large aspect ratios should be low.
首次提出了该结构前两阶频率的表达式，并与相应的有限元模态分析结果进行了比较。
Significantly, the former two-class nature frequency expressions for the micro-mirror cell structure are put forward for the first tine, which are compared with the results from FEM analysis.
控制器的阶次通常都比较高，在工程实践中出于对硬件实现性和软件可靠性等方面的考虑，往往希望控制器的阶次低一些。
The order of h? Controller is usually higher, but we hope that the order of controller is lower for the realization of hardware and the reliability of software in engineering application.
论述了进行二阶电路CAI研究的必要性，介绍了二阶电路CAI系统的组成及其特点，列举了二阶电路响应比较完备的公式。
The necessity of making. CAI research of Second-Order Circuits and the composition of the system as well as its features have been discussed. The calculative formulae are presented in this paper.
分别采用螺旋天线和V形平板天线作为单元天线，以二阶六边形为阵列进行综合仿真，得到了比较低的旁瓣。
With the helical antenna and a V-shaped plate antenna as a unit antenna and the second-order hexagon as the array, the antennas are integrated and simulated and get the low side-lobe characteristics.
比较了前六阶电算与实验的频率与振型，结果吻合较好。
By making a comparison between the computa1:ions by electronic computer (with six stages) and the tested results of naturai frequencies and oscillation mode, they are fairly consistent .
为此 ，用基于验算点处展开泰勒级数的哈桑———林德法计算了轴心压杆稳定可靠性的可靠性指标 ，并同均值一次二阶矩法作了比较 。
The result obtained has been compared with the one obtained by first order second moment (FOSM) method expanded about mean value.
为此 ，用基于验算点处展开泰勒级数的哈桑———林德法计算了轴心压杆稳定可靠性的可靠性指标 ，并同均值一次二阶矩法作了比较 。
The result obtained has been compared with the one obtained by first order second moment (FOSM) method expanded about mean value.
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