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1 A paraboloid grid shell with a diameter of 40 m is used for the parameter study.
2 In this paper , two properties of paraboloid in the textbook Analytic Geometry is generalized.
3 Paraboloid antenna is a very important and widely applicated antenna.
4 The system is composed of off-axle paraboloid reflector, cross line target, background light, imaging collecting system and other devices.
5 High speed lapping of the paraboloid work - piece lapping tool by bending is a new method.
6 These surface forms including sphere, ellipse and paraboloid are commonly used to design the metal wall.
7 For a given reflector surface it is also important to locate the focal point of the best-fit paraboloid relative to the existing feed support structure.
8 The authors show that the hyperboloid of one sheet and the hyperbolic paraboloid are ruled surfaces.
9 The utility model comprises a fishbone antenna a ring vibrator,(www.Sentencedict.com) and a double - shaft paraboloid.
10 The algorithm only needs to plot a set of equi-intensity curves of diffuse reflection and specular reflection on the rotating paraboloid, and then realistic image can be obtained.
11 Parabolic antennas work by reflecting electromagnetic radiation off the paraboloid dish to or from the feed horn (center), for reception or transmission respectively.
12 After 10 years of research, they proved earlier this year that a curved shape called a hyperbolic paraboloid, which they and others had been folding for years, doesn't actually exist.
13 The authors showthe hyperboloid of one sheet and the hyperbolic paraboloid are ruled surfaces.
14 The intensity distribution of parallel light field produced by paraboloid reflector is analysed and its measured result is introduced.
15 In this paper , some new conclusions about the properties of elliptic paraboloid are introduced.
16 This paper explores three ruled surfaces geometry properties about columnar surface, cone surface and hyperbolic paraboloid.
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