Abstract: An equation for the on-axis gain of a uniformly illuminated rectangular aperture is derived which is valid in the "Optical Fresnel Zone." This equation is formulated in terms of the ordinary ...
Whether I’m running frantically toward the gate or strolling through security at a more leisurely pace, my trusty spinner suitcase makes travel so much easier. It’s helpful for keeping me ...
Learning sign language can be a fun experience and help you communicate with more people in the deaf and hard of hearing community. It can also lead you down many different paths. Whether you are a ...