At f/8, every lens produces an identical 10.7-micron diffraction blur on your sensor regardless of focal length or aperture ...

App Masterpiece Selection] Published every SaturdayIntroductionI found a "planetary" code in a corner of GitHub.Saturn Magnetospheric Model. It is a magnetospheric model of Saturn constructed from ...

A report prepared for the National Environmental Satellite Service, National Oceanic and Atmospheric Administration, as a step toward solving the temperature sounding problem for a cloud-free ...

THE worthy completion of a long and arduous task will always draw from the beholder the tribute of an almost personal gratification. Our sympathy and interest are at once enlisted by the opening ...

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ABSTRACT: A general technique to obtain simple analytic approximations for the first kind of modified Bessel functions. The general procedure is shown, and the parameter determination is explained ...

本内容遵循CC 4.0 BY-SA版权协议 本文介绍了如何使用编程方法计算9阶贝塞尔函数的零点，特别关注了理论上的精度限制，并探讨了Airy光束、高斯光束和Bessel光束在经过大气湍流相位屏后的传输特性 ...

The Bessel beam, with a significant depth of field and self-healing characteristics, has been applied in widespread applications, including quantum entanglement, underwater 3D imaging, optical ...

The characteristics of passing a pulse waveform through a filter are described below. Frequency response of distributed constant circuit Figure 1 shows the expression for the frequency response of a ...

Abstract: In high-speed surface-mounted permanent magnet (SPM) brushless machines, time- and space-harmonic excitations can induce significant eddy currents flowing in the rotor conductive parts. An ...

Bessel beam microscopy, and the techniques that preceded it, are generally used to image live cells in 3D. Bessel beams have a greater capability than other super-resolution imaging techniques for ...