During initial target tracking by radar, the sighting telescope is usually used to guide the antenna to achieve the initial target intercept. When the radar changes from the guidance state of the sighting telescope to the self-tracking state of radar, it’s easy to lose the target due to the inconsistency between the movement direction of radar antenna and that of target. To solve this problem, a regenerated feedback compensation control strategy is proposed based on speed memory extrapolation and compensation timing selection in this paper. By loading the algorithm into the real equipment and tracking the Unmanned Aerial Vehicle, it’s verified that the method can achieve the stable tracking of the target at a faster speed.
Electrostatic potential testing is an important parameter for characterization of the electrostatic source. A non-contact electrostatic potential test device is designed for zreo-point drift, interference effect, narrow frequency range and other common problems in the current non-contact electrostatic potential test device in this paper. The above problems such as zreo-point drift, interference effect and narrow frequency range are solved. The basic principle of non-contact electrostatic potential test is introduced. The hardware and software design and implementation process of non-contact electrostatic potential test device are described in detail. The test verification and application of the device are given. Finally the key technical problems solved in the design implementation process are summarized.
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