Chang’e-5 successfully landed on the moon

On November 24, 2020, the chang’e-5 lunar probe was successfully launched at Wenchang space launch site in China. At present, it has completed two orbit corrections, two near moon braking, and controlled separation of orbital return assembly and landing assembly. Chang’e-5 is scheduled to make a soft landing on the front of the moon on […]

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But musk, founder of SpaceX, said the mission was a success

On December 9, local time, SpaceX prototype SN8 made another test flight in Texas. The altitude of this flight was about 40000 feet (12000 meters), which was first driven by three Raptor engines newly developed by SpaceX. The report said that when it tried to land after six minutes of flight, it exploded due to […]

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Long March 8 launch vehicle successfully launched

The reporter learned from the National Space Administration that at 12:37 on December 22, the first flight test of China’s independently developed new generation medium-sized carrier rocket, Long March 8, was successfully carried out at China’s Wenchang space launch site. The rocket flew normally and the test was a complete success. The Long March 8 […]

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Lightning protection of communication interface in avionics application

By Richard anslow brief introduction Lightning strike is a common phenomenon in jetliners, which occurs about every 1000 flight hours. Do-160g standard environmental conditions and test procedures for airborne equipment is the environmental test standard for avionics hardware. Many aircraft manufacturers have designated do-160g section 22 “lightning induced transient sensitivity” as the requirement of key […]

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Japan to launch the world’s first wooden satellite in 2023

Making satellites out of wood seems like a brain opening, but maybe it will come true in the future. In order to effectively solve the problem of space waste, Kyoto University and Sumitomo Forestry Co., Ltd. will cooperate to make a satellite from wood within three years, foreign media reported. As we all know, a […]

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What structure is the power system of micro UAV composed of

At present, piston engine system is widely used in large, small and light UAVs. For the sake of cost and convenience, electric power system is widely used in micro UAV. Electric power system is mainly composed of power supply, power motor and speed regulation system. 1 power supply The power supply mainly provides electric energy […]

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Design of speed monitoring system based on FLex10K series CPLD chip

1 Overview The speed data is one of the important signs of the operation condition of hydro generator unit. The function of the monitoring device is to accurately measure the speed of the unit and timely carry out various necessary control operations according to the change of the speed, so as to ensure the normal […]

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