7results about How to "Good direction" patented technology

The invention discloses a method for efficiently generating high-brightness gamma radiation, and belongs to the technical field of radiation. A relativistic electron beam is injected into the porous microstructure foam target material, and high-brightness gamma ray radiation is generated. According to the method, the used device is simple, only the single relativistic electron beam and the porous microstructure foam target material are needed to interact, compared with a traditional uniform-density solid material, the energy conversion efficiency in the interaction process of the electron beam and a substance can be remarkably improved, and the energy conversion efficiency can be remarkably improved through the effective constraint effect of a high-intensity magnetic field. And the problems of low energy conversion rate, low light source brightness, poor radiation directivity, complex device or difficulty in experiment implementation and the like of the existing high-energy gamma ray radiation source are solved.

The application provides a broadband symmetrical amplitude equalization directional coupler and a coupling method, relates to the technical field of microwave radio frequency passive devices, and comprises the following parts: a single-section coupling line located in an input through branch, the single-section coupling line being a double-layer metal biased wide-side coupling line; a symmetrical amplitude equalizer connected to a coupling port and an isolation port respectively; and an LC matching network connected to an input port and an output port respectively, so that the directional coupler suitable for 18-50GHz can be constructed, and strong coupling of the directional coupler is realized.

The application discloses an unmanned ship underwater target intelligent identification method based on an imaging sonar, and relates to the fields of unmanned operation platforms and target identification. The application is aimed at the requirements of unmanned ship navigation and tasks, considers the task characteristics of the unmanned ship, and specifically adopts a forward-looking sonar to perform target ranging positioning and accurate identification, and based on machine learning and, realizes thorough water area perception, target detection and accurate identification for underwater targets. The application can improve the underwater target identification performance of the unmanned ship.

The utility model relates to a synchronous docking device and an automatic docking system. The synchronous docking device comprises a base; the driving mechanism comprises a driving part, a movable part and a sliding pair assembly, the driving part is arranged on one side of the base, the movable part is connected to the output end of the driving part, the movable part is movably connected to the base through the sliding pair assembly in the first direction, and the movable part is provided with a guide channel; the distance between the guide channel and the base is gradually increased in the direction close to the driving piece. The butt joint mechanism comprises a supporting piece, a support and a limiting piece. Through the above arrangement, the butt joint direction of the connector is ensured to be accurately aligned and plugged with the external target interface, a plurality of connectors can be plugged synchronously and the plugging force is consistent, the plugging efficiency is improved, the directionality is better, and the service life of the connector can be ensured.

This utility model provides a traction device, including: a frame, a traction seat, and a locking rod. The frame is movably arranged along a preset trajectory. The traction seat is installed on the top of the frame and is located on the side of the frame closer to the drying oven. The traction seat has an insertion slot that extends along the length of the frame. The insertion slot is for the insertion and engagement of traction fittings on the placement frame. The locking rod extends along the width of the frame and is movably inserted into the traction seat along the width of the frame. The side wall of the insertion end of the locking rod has a guide slope, and the locking rod has an initial state, a clearance state, and a locked state. When the traction seat is away from the placement frame, the insertion end of the locking rod is located in the insertion slot, and the locking rod is in the initial state. This traction device effectively solves the technical problem in the prior art where, after the profile has been dried, the operator needs to enter the high-temperature drying space to manually push out the placement frame.

The embodiment of the present application discloses a kind of bionic robot water-jet foot end mechanism, the water-jet foot end mechanism includes conduit part and motor part, the motor part is fixedly connected in the conduit part along the axis of the conduit part;The conduit part is sequentially fixedly connected and is constituted by water-jet port, water inlet flow guide grid, motor fixed shell;The motor part is composed of propeller, motor, the propeller is fixedly connected on the motor, is rotated by the motor drive;The water inlet flow guide grid is the sleeve with side hollow installed in the periphery of the propeller, the hollow part of the water inlet flow guide grid is as the water inlet of water-jet foot end mechanism, and the water-jet port is as the water outlet of water-jet foot end mechanism.The water inlet flow guide grid is used as water inlet in the present application, can not excessively suppress thrust while water is entered, can also play the role of flow guide to the internal flow of motor part, to improve the propulsion efficiency.

The utility model relates to a planar end-on-fire antenna suitable for 915MHz and 2.45 GHz dual-frequency communication, and belongs to the field of wireless communication antennas. The antenna comprises a director unit, an active oscillator unit, a coaxial feed line, a reflector unit and a dielectric substrate. The upper surface of the dielectric substrate is provided with a left radiator and a coaxial feeder in the active oscillator unit; a right radiator, a coaxial feeder, a reflector unit and a director unit in the active oscillator unit are arranged on the lower surface of the dielectric substrate; the coaxial feeder line is located in the middle of the dielectric substrate, the active oscillator unit is bilaterally symmetrical about the coaxial feeder line, and the coaxial feeder line is connected with the left radiator and the right radiator respectively; the upper end and the lower end of the coaxial feeder are respectively connected with the active oscillator unit and the reflector unit; the two ends of the reflector unit are provided with reflector folding parasitic units. The adjustable performance of structural parameters of the antenna supports customization of radiation patterns and frequency characteristics according to specific application scenes.