An analytic expression for the intensity of the central point in Fresnel's circular aperture diffraction was derived using the methods of vector map and integration respectively.
分别用矢量图解法和积分法导出了菲涅耳圆孔衍射中心场点的光强的解析表示，方便了此类问题的分析。
Projection data is obtained from an integration of the reflectivity coefficients of the objects along the circular arc of the wavefront with a radar beamwidth.
反射数据实际上是反射特征系数沿着具有一定雷达波束宽度的波阵面圆弧的积分。
Kepler's 3rd law for circular orbits; Building up the shell-force by integration; Spring gun.
开普勒圆周轨道第三定律；利用积分推导球壳的引力；弹簧。
The near field properties of circular aperture antennas with Gaussian amplitude distribution are analyzed by the aperture field integration method in this paper.
采用口径场法对具有高斯幅度分布的圆口径天线辐射近场进行了分析。
The near-axis field distribution of circular aperture antennas is obtained by numeric integration method.
采用数值积分方法分析了圆口径天线非轴向近场分布特性。
In the design of circular interpolation module based on comparison integration method, amending interpolation error and so on.
在比较积分法圆弧插补模块的设计中，进行了插补误差的修正等。
In the design of circular interpolation module based on comparison integration method, amending interpolation error and so on.
在比较积分法圆弧插补模块的设计中，进行了插补误差的修正等。
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