查询词典 inversion formula

through researching the formula on Newton interpolation of equally spaced nodes, especially through estimating and computing the remainder, we can draw a conclusion that the precision of the interpolation point selected in the middle is higher than near the end, the value of t also should be magnified to , and giving a new estimating formula on remainder which is easy to compute.

通过研究等距节点的Newton插值公式，尤其通过估计和计算其余项，得出了插值点选在中间时精度要优于选在端点附近的结论，t值也可放大为，并给出易于计算的新的余项估计式。

The kernel requarment for the rotating invariant property of a TFD based on fractional Fourier transform is proposed and proved in chapter 5. A close formula of Radon-Wigner transform of LFM signalis given. Based on the formula, the distribution of RWT is discussed.

第五章在首先简单介绍分数阶付立叶变换的基础上，提出并证明时—频分布具有旋转不变性对核函数的要求，给出了Radon-Wigner变换在直角坐标系下分布的一个显式公式，据此讨论了RWT分布特点。

This procedure according to the formula to achieve the inverse discrete cosine transform, you can write your own validation of discrete cosine transform is correct, understanding the formula help.

详细说明：这个程序根据公式实现了离散余弦逆变换，可以验证自己编写的离散余弦变换是否正确，对理解公式有帮助。

Now by using Dai's exact solution formula and studying the asymptotical behavior controlcondition and using the series expression of the famous Riemann Zeta-function in number theory,after introducing and proving a new representation theory of inverse Laplace transformation wedirectly obtained Chen's solution formulae and their unique existence condition without usingLaplace transformation and〓 inverse formula.

本文从带消发散参数的严格解出发，通过研究渐近行为控制条件，利用数论中著名的Riemann-Zeta函数的级数表示，引入并证明一个逆Laplace变换的新的表示定理，直接导出了陈等发展的级数解，并得到了级数解的存在、唯一性条件。

The formula group for the design of multi-phase micro Fresnel lens according to scalar diffraction theory was given and the transmission theory of spherical wave were used to deduce the relation of focal distance of the micro lens with spectrum resolution. According to the relation spectrum resolution is inverse proportional to focal distance given a certain incident wavelength and phase number, and the theoretic formula is consistent with reported experimental result.

光谱分辨率是评价衍射微透镜分光特性的主要指标，根据标量衍射理论，给出了多台阶位相型菲涅尔透镜的设计公式，并利用球面波的传输理论推导了微透镜主焦距与光谱分辨率之间的函数关系，得出在入射波长和位相台阶数一定的情况下，光谱分辨率与中心焦距之间呈反比；理论推导的结果与已发表的实验结果一致。

During the reaction, a by- product, shown as formula below, is formed at the same time as the pseudo-ionone, because of an impurity in the citral, thereby resulting in a mixture of pseudo- ionone and formula, referred to herein as a pseudo- ionone mixture or as crude pseudo-ionone.

假性紫罗兰酮的制备柠檬醛和丙酮的下列反应：这种反应通常是进行的温度面向对象之间的1000长在反应，1分产品，如公式所示以下，在形成同时，伪酮，因为有一个杂质在柠檬，从而在一个假性和公式混合物产生的，下称一假性混合物或原油伪紫罗兰。

The paper is based on Professor Hu Yong-shengs academic thoughts and clinical experience, and have a research on formula and herbs of treating hypertension of irascibility. Summarizing the law of his using formula and herbs while treating hypertension , so as to have benefit to clinical work in treating this kind of disease .

本文在继承国家名老中医胡永盛教授学术思想及临证经验的基础上，对其治疗高血压病肝火亢盛证方药进行研究，总结出治疗本病的规律，以期对临证治疗用药有所裨益。

By using the algebraic method, we obtain a new formula for the expected hitting time of random walks on strong-connected and aperiodic digrahs (irreducible and aperiodic Markov chain). From this formula, we obtain the explicit expressions for the expected hitting times of random walks on directed de Bruijn graph, directed Kautz graph and some graphs constructed from strong regular graph, etc.

利用代数方法给出了强连通非周期有向图上随机游动（即不可约非周期马尔可夫链）平均首达时间一个新的表达式，并利用这个表达式得到了有向de Bruijn图，有向Kautz图以及和强正则图相关的几类图上随机游动任意两点之间的平均首达时间。

In this paper a second order step size iteration formula is derived in detail and the recursive expression for the expanded N-order step size iteration formula is deduced.

文中详细推导了2阶步长迭代公式，并导出了扩展的N阶步长迭代公式的递归表达式。

In order to improve and simplify the solution, the relationship between frequency and cable tension was studied by conducting numerical iterative computation. Furthermore, the format of the existing formula for cable tension identification was investigated, and one set of practical formula for cable tension identification were proposed by employing numerical fitting method.

为提高精度及简化计算，通过分析迭代计算得到的反映频率与索力相关关系的曲线，和已有索力识别经验公式的形式特点，进行数值拟合，提出一组索力计算的实用公式。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。