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Furthermore, this research shows that in angularly multiplexed recording the interpage cross-talk could be minimized by properly angled reference beams.

本论文的研究工作最终表明，在大规模全息存储时，要在存储容量、衍射效率和再现图象质量诸要素间取得最优的均衡。

Thus, it would be ofimportant significance to study the propagation properties of annular beams.

因此，研究环状光束的传输变换特性具有重要意义。

We calculate the field distribution near focus of an aplanatic system for incident ASPBs with different polarization orders and initial azimuthal angles, and based on the simulation results, we find some unique focusing properties of the beams, such as ever on-axis energy null, strong longitudinal field, and flowerlike intensity distribution at focus.

计算了不同偏振级次和偏振初始角的轴对称偏振光束当入射到无球差系统时在焦点附近的场分布，通过这些模拟结果，发现了该光束一些独特的聚焦特性，例如光轴强度始终为零、具有较强的轴向光场以及在焦点附近场呈现花瓣状分布等。

Many methods on calculation of deflection of prestressed concrete beams have been proposed both at home and abroad, most of which were empirical formulas for approximate engineering calculation.

有关预应力混凝土梁的挠度计算，国内外学者提出了不少计算方法，但几乎都是以满足工程要求为前提的近似经验公式。

Finally, the fitting curves between damage degree and direct index of simple beams and aqueduct are obtained.

4提出一套基于应变模态的结构损伤位置与程度综合诊断方法。

By using Wigner distribution function, the beam combination characteristics of general astigmatic Gaussian beams are studied.

利用Wigner分布函数，对复杂像散高斯光束的并合问题进行了详细研究，得到了相干和非相干并合光束的光强分布和M2 因子的解析表达式。

Such as means to produce Laguerre-Gaussian modes, high order Bessel modes and complex astigmatic elliptical beams.

分别介绍了如何产生拉盖尔－高斯光束，高阶贝赛尔光束，以及复杂像散椭圆光束。

Based on the propagation law of partially coherent light, the spectral changes of Gaussian Schell-model beams passing through an astigmatic aperture lens are studied.

从部分相干光的传输理论出发，研究了高斯-谢尔模型光束通过光阑像散透镜传输轴上的光谱变化规律。

Parameter changes of Gaussian beams after passing through astigmatic lens

从参数在空间上的分布来考虑，反应器可以区分为各参数不随空间坐标而变和随空间而改变两大类。

It is shown that the far-field divergence angle of nonparaxial rotationally LG beams approaches to an asymptotic value of 63.435° as the initial waist-width to wavelength ratio w0/λ approaches zero,which is independent of the order.

计算结果表明，当初始束腰宽度和波长之比w0／λ趋于0时，对任意非傍轴旋转对称LG光束，远场发散角趋于渐近值63.435°，与阶数无关。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。