Abstract: Empirical formulas are proposed for the superdirectivities of broadside linear and square arrays. The formulas are derived based on a large amount of numerical results of optimum directivity ...
From hoops to studs and drops, these are the earrings that best complement each face shape for round, oval, heart, square, ...
Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...
Square- and Rectangular-Ring Vertex-Bar Slow Wave Structures for High-Efficiency Wide Bandwidth TWTs
Abstract: In this article, novel square-ring vertex-bar (SRVB) and rectangular-ring vertex-bar (RRVB) slow wave structures (SWSs) are proposed to develop high-efficiency wide bandwidth traveling wave ...
Wire wrapped pendant with square and rectangular stones without holes - easy jewelry making from copper wire This is the simplest way of making pendant with square and rectangular stones without holes ...
Wellness instructor Meredith Shumway is bringing her fitness concept The Formula X Meredith to New York City as the wildly popular Bridgehampton, Long Island, fitness concept prepares for its first ...
InDesign is a desktop publishing and layout software for creating fliers, magazines, books, and digital publications. Shapes in InDesign can be used as they are for artwork, they can be combined and ...
There's no getting around it: air fryer baskets are a pain to clean. They hog dishwasher space, and frequent machine washing can damage the nonstick coating. That's where silicone air fryer liners ...
Sometimes the box you have isn’t the box you need. If you’re packing something long, narrow, or oddly shaped, a standard square box might waste space or just not work at all. The good news? You can ...
American Journal of Mathematics, Vol. 138, No. 3 (June 2016), pp. 821-878 (58 pages) Let f be a modular form of weight k and Nebentypus ψ. By generalizing a construction of Dabrowski and Delbourgo, we ...
The roundest country (left, Sierra Leone) and the squarest country (right, Egypt), with flags overlaid. Some countries are long and thin, others compact and nearly symmetrical. Some follow natural ...
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