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The algorithm used to implement fast Fourier transform of real-valued with complex-valued Fourier algorithm and the algorithm used to compensate the decaying direct current with arbitrary decay time parameter are deduced in detail.

对其中的一种用复序列DFT算法分析实数序列的算法和一种用来对具有任意衰减时间参数的衰减直流分量进行补偿的算法进行了详细推导。

It has been widely used in recent years, for it not only preserves several advantages of B-spline surface, especially the affine- invariance, but also has some special advantages such as adaptability to arbitrary topology which parameter surface doesn't have.

它不仅具备B样条曲面仿射不变性等良好性质，还具有参数曲面所没有的任意拓扑适应性等特点，因而近年来得到了广泛的应用。

By using generalized inverse of matrix,the sufficient condition of "pole assignment theorem"is proved;and the general expression containing arbitrary parameter is obtained for the feedback of gain matrix.

该方法利用矩阵广义逆理论，证明极点配置定理的充分性条件，并得到反馈增益矩阵的一个含有任意参数的一般表达式。

Byproperly choosing arbitrary parameter,not only the pole assignment of close-loop system can be done arbilrarily but also its other performance demands can be satisfied.obtained.

通过对任意参数的适当选择，不但能使闭环系统的极点任意配置，还可满足闭环系统的其他性能要求。

beam structure ; arbitrary distribution parameter ; reliability-based optimal design

开展可靠性优化设计的研究

An increment feedback control law is then developed and proved to balance the pendulum-angle and drive the cart to track an arbitrary position without estimating the parameter uncertainties .

通过对系统输出的递归分解迭代设计，构成了扩展状态空间上的复杂非线性滑模，结合增量反馈控制，无需对系统不确定性的估计，可以稳定摆的倒立并将小车驱动到任意的距离。

This technology not only preserves the properties of localness and affine-invariance of B-spline surface, but also has some special advantages such as adaptability to arbitrary topology which parameter surfaces dont have. These good qualities makes subdivision surface used widely in recent years.

它不仅具备B样条曲面的局部支承性、仿射不变性等良好性质，而且具有参数曲面所没有的任意拓扑适应性等特点，因而近年来得到广泛的应用。

The theory and approach are introduced, and the general expression containing arbitrary parameter is obtained for the feedback gain matrix. This method changes the problem of multi-input system to several problems of single-input. The number is the cycle index of system matrix. Compare with some known results, this method put forward that the least number of unknown entries of the feedback gain matrix is the order of the system matrix.

汽配置问题，得到了反馈增益矩阵的一般表达式，此表达式中含有任意参数，此方法将多输入线性系统极点配置问题转化为个数为系统矩阵循环指数的单输入系统的极点配置问题，进而推导出确定一个反馈增益矩阵的最少元素个数即为系统的阶数。

The energy eigenfunc-tions which can describe correctly the motion of the free particlein phase space have been established through the introductionof an modified Gaussian function with an arbitrary parameter.

通过引入一个含有任意参数的Gaussian型修正函数，确立了能够正确描述自由粒子在相空间中运动的本征函数。

Our model is valid for any arbitrary fiber dispersion parameter,input power distribution, independently of transmission distance, channel number andunequal channel spacing.

该模型适用范围广，可用于各种Raman增益参数，任意信道间隔，不同的光纤色散参数，各种大小、形状的输入光功率信号，而且不受传输距离和复用信道数目的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。