Shape adjustment of fast active reflector

Author: tlod

August undefined, 2024

WebbORCID uses cookies to improve your experience and to help us understand how you use our websites. Learn more about how we use cookies.. Dismiss. We notice you are using a browser that our site does not support. WebbResearch on shape precision adjustment of the active reflector of cable net. Engineering Mechanics, 2012, 29(03):212-217. [3] Jian Youfeng. Mechanical Analysis of Cable Net Structure and Research on Adjustment of Net Surface. Xidian University, 2011. [4] Qian Hongliang. Theoretical and experimental research on FAST active reflector support ...

Fast active reflector shape adjustment modeling based on …

WebbFirstly, the problem is simplified from threedimensional to two-dimensional, and the problem is transformed into the solution of ideal parabolic equation; Considering the … Webbfast and accurate alignment ensures successful calibration Laser distance measurement referring to radar sensor Height adjustment to floor by laser Target with transverse displacement: accurate offset scale gives guidance Green line laser: Line-up with vehicle badge and center references SCT 815 S1*: Scope of delivery dick sporting goods vernon hills il

Influence of Optimal Adjustment of FAST Active Reflector on Receiving

WebbThe Hubble Space Telescope (often referred to as HST or Hubble) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation. It was not the first space telescope, but it is one of the largest and most versatile, renowned both as a vital research tool and as a public relations boon for astronomy.The Hubble telescope is … WebbResearch on shape precision adjustment of the active reflector of cable net. Engineering Mechanics, 2012, 29 (03):212-217. [3] Jian Youfeng. Mechanical Analysis of Cable Net Structure and Research on Adjustment of Net Surface. … Webb1 sep. 2024 · The shape adjustment of the active reflector of FAST can be taken as the deformation of a continuous and ideal surface. The surface equation with parameter … city apartment exterior

[2204.05495] Research on FAST Active Reflector Adjustment …

Active Shape Adjustment of Large Cable-Mesh Reflectors Using …

WebbHome - FAST WebbA high-quality, efficient reflector is a core aspect of the perfect retail lighting concept. It ensures that the light is directed to where it is needed: on the merchandise. Ansorg has been developing 3D facet reflectors that are tailored to modern lighting technology requirements for 9 years. 3D facets city apartment complexWebb26 okt. 2024 · Active reflector system is one of China's Tianyan - 500-meter aperture spherical radio telescope (FAST). An ideal parabolic surface can be determined under the constraint of reflection panel adjustment. dick sporting goods volleyball

"WebbFirstly, the problem is simplified from threedimensional to two-dimensional, and the problem is transformed into the solution of ideal parabolic equation; Considering the … " - Shape adjustment of fast active reflector

Shape adjustment of fast active reflector

Webb27 dec. 2024 · In this paper, we study the shape adjustment strategy of the active reflecting surface of ''FAST'', which requires the determination of the ideal paraboloid … WebbThis paper studies the solution of FAST ideal paraboloid equation. Firstly, the problem is simplified from threedimensional to two-dimensional, and the problem is transformed into the solution of ideal parabolic equation; Considering the adjustment of reflective panel, the difference method and variable step iterative method are used to solve the model.

Did you know?

Webb1 feb. 2003 · The adaptiv ecable-mesh reectoris an Arecibo-typ withthe additional capability to adjust the illuminated area to activate the antenna surface.The key knowledge in this newly proposed engineering concept is to use the equilibriumshape of the cables under gravity, catenary, to form the parabola. Webbdevelopment. Fast consists of active reflector, signal receiving system (feed cabin) and r elated control, measurement and support systems. The active reflector system is an …

Webb1 jan. 2024 · The actuator is the point at which active surface adjustment is implemented, and it is the main mechanical adjustment device in the reflector shape control of large antennas. Actuator design refers to the mechanical structure design of the actuator, whose three key indexes are weight, stroke, and adjustment accuracy. Webb26 okt. 2024 · Active reflector system is one of China's Tianyan - 500-meter aperture spherical radio telescope (FAST). An ideal parabolic surface can be determined under …

Webb7 maj 2024 · The FAST active reflector includes a main 500 meter aperture cable mesh composed of approximately 7000 strands of steel cables, reflecting elements, actuators, ground anchors, perimeter beam, wind-shield wall, noise-shield wall, etc. The reflecting element cable mesh is installed on the annular latticed perimeter beam. WebbActive shape adjustment of a cable-mesh reflector is a significant procedure to compensate the effects of a complicated space environment in orbit. In this paper, the …

WebbAbstract. In this paper, the relevant working principle of "FAST" Chinese Eye is studied, and a mathematical model is established to solve the equation of the ideal paraboloid. The ideal paraboloid model is obtained by rotating the paraboloid around the axis in the two-dimensional plane. On this basis, the specific solutions of each question are discussed, …

Webb6 juli 2024 · This article studies how to solve the problem of the structural performance of the reflective surface unit and its implementation method. Based on the research in this paper, the error of the surface accuracy of the reflecting surface unit is less than 2.5 mm, and the central deflection of the block constituting the unit is less than 1 mm. dick sporting goods whitehall paWebbThe adjustment parameters of the reflection panel under the celestial orientation are obtained, and the adjusted receiving ratio is 67%; The receiving ratio of the reference … dick sporting goods west covinaWebb27 jan. 2024 · Radio telescopes are important for the development of society. With the advent of China’s Five-hundred-meter Aperture Spherical radio Telescope (FAST), adjusting the reflector panel to improve the reception ability is becoming an urgent problem. In this paper, an active control model of the reflector panel is established that … city apartment eisenachWebb13 maj 2016 · The FAST primary surface comprises (i) 4300 triangular panels with varying sizes of about 11 m per side, (ii) 150 square panels with a range of sizes filling the edges of the dish up to a girder ring (the white circular structure in Figure 1 (bottom)) of exactly 500 m diameter [ Jiang et al., 2003 ]. dick sporting goods warehouse storeWebb1 okt. 2013 · Shape adjustment is indispensable in the assembly of mesh antennas and is a key technology to realize active reflector antennas in future. In this paper, shape adjustment of mesh antennas is addressed using an optimization model which is converted into a sequential quadratic programming problem. dick sporting goods west long branch njWebbResearch based on "FAST" active reflector shape adjustment problem Abstract: The exploration of the moon and Mars is a key field in contemporary deep space exploration. … dick sporting goods white plainsWebbResearch on the Shape Adjustment Strategy of FAST Active Reflector Based on Physical Mathematical Methods. Abstract: In this paper, the optimization model is established … dick sporting goods warehouse