只有发散球面波才是唯一稳定解。
在自由粒子的情况下给出了粒子的平面波解和球面波解。
The plane wave solution and spherical wave solution to free particles are also given.
作为比较，文中也对平面波和球面波的入射进行了分析。
For comparison, the incidences of plane and spherical wave are also analyzed.
索末菲关于波的展开理论证明，球面波可以展开为平面简谐波的叠加。
Sommerfeld's wave expansion theory demonstrates that a spherical wave can be expanded as the superposition of plane simple harmonic waves.
对于平面波和球面波传播的情况给出了到达角起伏方差的分析表达式。
For plane and spherical wave propagation, the analytic expressions of are obtained.
最后，通过分析比较，指出基于球面波传播原理的物理解释更符合实际。
Finally, it is pointed that physical interpretation based on the theory of spherical wave propagation is of more practical meaning.
利用这种特性可以产生制作高分辨率X射线波带板所需的两束非球面波。
The characteristic of aplanatic system shows that non-aplanatic point imaging can produce aspherical holographic interference for high resolution zone plate fabrication used for X-ray imaging.
最后在实验的基础上对湍流廓线计算球面波斜程大气相干长度作了讨论。
At last, some problems of getting atmospheric coherent length from the integral of turbulence profile were discussed.
举例给出了有限湍流内尺度情况下平面波和球面波闪烁指数的通用表达式。
Plane and spherical waves in the cases of zero and non-zero turbulence inner scale are given as examples for illustration of the general behaviors of scintillation indices.
研究了使用平面等间距光栅产生非球面波，记录平面变间距全息光栅的方法。
Uniform line spacing plane gratings are introduced into recording systems to generate aspheric wavefronts to record varied line spacing plane holographic gratings.
结果表明，球面波系统的存储容量更高，角度选择性更好，并且有利于系统的小型化。
The results indicate that the storage system with spherical waves has a larger volume, better angular selectivity and is useful for miniaturization of system.
定量的给出了球面波照射下实现任意阶非精确分数傅里叶变换时系统参数的选择定则。
A determining law for selecting the parameters of obtaining arbitrary order of the non-exact transform is also deducted quantitatively.
提出了将条形药包柱部应力波当作柱面波、端部应力波当作球面波处理的应力波研究方法。
Puts forward stress wave research method when the linear charge blasting. It regarded column stress wave as cylinder stress wave, end stress wave as spherical wave.
由于球面波的几何扩展产生的波前能量的损失，这种扩散作用可从波的振幅降低方面观测到。
The loss of energy from a wavefront as a consequence of geometrical spreading, observable as a decrease in wave amplitude.
通过在平面波谱域中比较复射线束叠加场和标准解的方法，导出了球面波和柱面波的复射线束展开系数公式。
In this article, we derive complex expansion formula of spherical and cylindrical waves by comparing the stacking field of complex ray and the close-form solution in the plane spectral domain.
基于柱面波和球面波动方程，推导建立了适用于无限介质中二维和三维瞬态波动分析的显式时域辐射边界条件公式。
Locally explicit time-domain radiation boundary condition for 2-d and 3-d transient analyses of wave propagation in unbounded media were developed for the cylindrical and spherical wave equations.
将得到的结论与平面波条件下的结论进行对比，结果表明，球面波系统的存储容量更高，角度选择性更好，并且有利于系统的小型化。
The different results are analyzed, and the conclusion that the storage system with spherical waves has a larger volume, better angular selectivity and is useful for miniaturization of system is.
为了在不增加测量点数的情况下提高近场声全息图像的空间分辨率，提出一种基于正交球面波插值的近场声全息图像分辨率增强方法。
A new method based on interpolation using orthogonal spherical wave source was proposed to enhance the resolution of the nearfield acoustic holography image without adding measurement points.
为了在不增加测量点数的情况下提高近场声全息图像的空间分辨率，提出一种基于正交球面波插值的近场声全息图像分辨率增强方法。
A new method based on interpolation using orthogonal spherical wave source was proposed to enhance the resolution of the nearfield acoustic holography image without adding measurement points.
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