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In order to reduce the size and weight of the gimbal in a traditional stable platform and correct the disadvantage in size of the payload, the paper first improves the gimbal which is an important component of a stable photoelectric platform, that also is an important factor in affecting the size and weight of a stability platform. In this paper, a(More)
This paper bring forward one new method of target automatic orientation and we establish the target positioning system basing on dual antenna GPS receiver. We analysis the principle of target orientation and make an emulation of the system. The results show us that the method has high precision. Then, we make many times experiments. The results of(More)
In order to solve the problem of image blurring due to the image motion which results from the aircraft's motion, attitude changes, and the relative motion of the camera and aircraft, firstly, we install linear displacement transducer on the four shock absorbers. By analyzing the displacement values, the geometrical relationship between the camera and the(More)
In order to design and manufacture more excellent airborne photoelectric stable turret, a new type of aeronautical material-particulate reinforced aluminum matrix composite (SiC/Al composite) is investigated. Several crucial technologies, such as pressureless infiltration technology, interface reaction controls and plate's welding are systematically(More)
− A set of 100 Nm torque standard machine is newly developed at National Institute of Metrology (NIM). By adapting the air bearing with low friction as the arm lever fulcrum, the low expansion alloy (INVOR) as the arm lever material and the accurate machining and adjustment technology, the uncertainty of 100 Nm torque standard machine is minimized. This(More)
Bluetongue virus (BTV) is an icosahedral non-enveloped virus within the genus Orbivirus of Reoviridae and exists as 24 distinct serotypes. BTV can infect all ruminant species and causes severe sickness in sheep. Recently, it was reported that BTV can infect some human cancer cells selectively. Because of the important oncolysis of this virus, we developed a(More)
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