Abstract: The present disclosure provides a switch handle component and a cutter control system containing the same, relates to the technical field of lawn mowers, and solves the technical problems of cumbersome and inconvenient ON-OFF operation of a clutch lever.

Abstract: The present disclosure provides a parking mechanism of a riding lawn mower, relates to the technical field of lawn mowers, and solves the problem in the prior art that the parking mechanism is complicated and difficult to operate.

Abstract: The present disclosure provides a height adjusting mechanism and a lawn mower containing the same, relates to the technical field of lawn mowers, and solves the technical problems of poor parallelism between a chassis of a mowing tray and the ground and uneven mowing.

Abstract: The present disclosure relates to a steering mechanism of a riding lawn mower, which comprise: a steering shaft, one end of which is connected with a steering wheel, and the other end of which is rotatably connected with a frame, wherein a steering gear is coaxially provided; a steering plate, which is rotatably connected to the frame and is provided with an arc-shaped tooth part engaged with the steering gear, wherein the center of a circle of the arc-shaped tooth part is located at the rotating center of the steering plate; a first steering knuckle and a second steering knuckle, which are rotatably connected to the frame and rotate synchronously with respect to the frame through a linkage structure; a steering knuckle arm, which is connected with the first steering knuckle and rotates synchronously with respect to the frame; and a connecting rod, one end of which is hinged with one end of the steering plate far away from the arc-shaped tooth part, and the other end of which is hinged with the rotating dista

Abstract: Disclosed is a ship identity recognition method based on the fusion of AIS data and video data, comprising: collecting a ship sample to train a ship target classifier; performing, using the ship target classifier, ship target detection on a video frame collected by a gimbal camera; performing a comparison with a recognized ship library to filter a recognized ship; acquiring AIS data and filtering same across time and spatial scales; predicting the current position of an AIS target using a linear extrapolation method and converting the current position to an image coordinate system; performing position matching between a target to be matched and the converted AIS target; and performing feature extraction on the successfully matched target and storing the extracted feature, together with ship identity information, into the recognized ship library.

Abstract: Disclosed is a ship identity recognition method based on the fusion of AIS data and video data, comprising: collecting a ship sample to train a ship target classifier; performing, using the ship target classifier, ship target detection on a video frame collected by a gimbal camera; performing a comparison with a recognized ship library to filter a recognized ship; acquiring AIS data and filtering same across time and spatial scales; predicting the current position of an AIS target using a linear extrapolation method and converting the current position to an image coordinate system; performing position matching between a target to be matched and the converted AIS target; and performing feature extraction on the successfully matched target and storing the extracted feature, together with ship identity information, into the recognized ship library.

Abstract: The present invention comprises an apparatus and a method for measuring the first arrival time of seismic waves from detonation in seismic explorations, comprising a or several detectors for measuring seismic waves and converting them into electrical signals and a signal processing means for calculating an average energy of the electrical signals to determine the first arrival time of seismic waves and using a smooth filtering method to compute accurately the first arrival time backwards from the first maximum valve in the average energy curve.

Abstract: The present invention provides a apparatus and a method used for measuring the detonation time and the first arrival time of seismic waved caused in the seismic exploration field, wherein said apparatus includes a signal measuring means used for measuring current and voltage of the detonation circuit, a test signal generating means used for adding to the detonation circuit a &ohgr;-frequency sine wave test signal in order to smooth filter out noise and interference to enhance accuracy of measurement and a signal-processing means used for detecting and measuring current and voltage with same frequency as the &ohgr;-frequency test signal from current and voltage measured by the signal measuring means, and thus computing the curve of impedance changes and, in some extent to eliminate noise and interference and to determine accurately the detonation time TB.