In order to solve the general problem of nonlinear disturbance in large astronomical telescope servo- control system,the types of disturbance were analyzed in this paper.
在此基础上建立了大型望远镜驱动控制系统的数学模型,提出了高阶滑模控制方案,将系统中存在的不连续性拓展到状态控制的最高阶,抑制系统的高频振动现象,克服了普通滑模控制的缺点数值仿真证明了该方案的可行性和有效性。
Trajectory tracking control for large radio telescope source feed of 1/30th model;
大型射电望远镜馈源1/30模型的轨迹跟踪控制
Similarity between the distorted model and the prototype of the large radio telescope;
大型射电望远镜舱索结构变形模型与原型的相似性
Numerical simulation of vortex-excited oscillation for the long-span cable-cabin flexible structure of the large radio telescope;
大型射电望远镜舱索柔性结构涡激振动的数值模拟
Astronomers watch the stars through big telescopes.
天文学家通过大型望远镜观察星星。
Near it, on Mount Wilson, there is another big telescope.
在它附近的威尔逊山上,有另一台大型望远镜。
Servo system of large telescope based on internal model PID control method
基于内模PID控制的大型望远镜伺服系统
To detect these waves, astronomers use several kinds of large ground-based telescopes.
为了探测这些波,天文学家们使用了各种类型的地面大型望远镜。
In large telescopes this scheme has many advantages, both theoretical and practical.
在大型望远镜中,这种构型的理论上和实用上都有许多优点。
a small telescope attached to a large telescope to use in setting the line of the larger one.
装在大望远镜上的小望远镜。
We can use telescopes of only modest sizes.
我们可以用中型望远镜。
Design and Analysis on the Large Radio Telescope with Flexible Cable Structure;
柔索结构大型射电望远镜天线结构设计与分析
On Dynamic Performance of the Cable-cabin System of the Large Radio Telescope
大型射电望远镜舱索系统结构动态性能研究
High Integrated Intelligent Servo System Design for Large Electro-optic Telescope
大型光电望远镜高集成智能伺服系统设计
the power of a microscope, telescope, etc
显微镜、 望远镜等的放大倍数.
Small telescope attached to a larger one used for locating an object for observation
寻星镜(附加在大望远镜上便於寻找观察目标的小望远镜)
RESEARCH ON COMPOUND PERTURBATION COEFFICIENTS BETWEEN DISTORTED MODEL AND PROTOTYPE OF LARGE RADIO TELESCOPE
大射电望远镜原型与畸变模型间复合摄动系数的研究
periscope binoculars
潜望镜式双筒望远镜
With binoculars you can also see roads, harbours and even very large ships in the ocean.
用双目望远镜你还能够看到公路、海港甚至于海洋上的大型船只。
Control, Optimization and Experiment of the Feed Tracking System for Large Radio Telescope;
大型射电望远镜馈源指向系统的控制、优化与实验
Development of Au-Si Surface-barrier Charged-particle Telescope
Au-Si面垒型带电粒子望远镜的研制
Image stabilizing system of telescope based on MSP430
基于MSP430的小型望远镜防抖系统设计