5 results about "Dynamic aperture" patented technology

An aperture assembly for use with a subsurface ejection vessel includes an electromagnet, a first dynamic aperture, a second dynamic aperture, a hollow shaft injection drill bit, a third dynamic aperture, collar perforations, and closed window apertures. The electromagnet actuates a closing of the first dynamic aperture. The electromagnet actuates an opening of the second dynamic aperture. The third dynamic aperture dynamically opens when triggered by a first pre-determined depth achievement counting by the encoder of the lead screw or distance traveled by a platform (505A) triggered by the limit switch that are communicated to the AI robot, the computer, and the PLC. The third dynamic aperture dynamically opens when the camera lens has a second pre-determined depth penetration of the hollow shaft injection drill bit and that the limit switch information is communicated to the computer, or the PLC.

The application discloses a remote personnel positioning and high-definition image monitoring system based on a 5G network, relates to the technical field of 5G intelligent monitoring and positioning, and comprises a 5G fusion positioning module, an intelligent image acquisition and processing module, and a 5G edge computing and transmission module.The 5G fusion positioning module uses composite positioning and multipath separation technology.The intelligent image acquisition and processing module is equipped with a dynamic aperture camera and super-resolution reconstruction, supports 8K quality and full-scene perception, and comprises a federal learning framework and dynamic code rate adaptation.The system also has a dynamic networking module, a multi-modal fusion module, an intelligent early warning module and the like, and improves the anti-interference and cooperative capabilities.The application realizes 5G fusion positioning and 8K high-definition monitoring, has strong anti-interference capability, intelligent early warning, privacy protection and long endurance, is suitable for intelligent security, industrial inspection and the like, greatly improves the emergency response efficiency, and promotes the landing of 5G intelligent application.

The application discloses an ultrasonic CT waveform inversion method and device based on a dynamic aperture, and belongs to the technical field of ultrasonic image processing, and comprises the following steps: acquiring an observed sound pressure signal at a position of a receiving element of an ultrasonic CT data acquisition system; inputting a current sound velocity distribution into a wave equation to obtain a synthesized sound pressure signal at the position of the receiving element; for each transmitting element, extracting the synthesized sound pressure signals at the positions of M receiving elements away from the transmitting element; calculating the difference between the synthesized sound pressure signals at the positions of the M receiving elements corresponding to all the transmitting elements and the corresponding observed sound pressure signals; calculating the gradient of the current sound velocity distribution by using an adjoint state method according to the difference, and then obtaining an updated sound velocity distribution; re-substituting the updated sound velocity distribution into the wave equation for iteration, and simultaneously increasing the value of M until the iteration is stopped, and outputting the updated sound velocity distribution. The application can improve the accuracy of a reconstructed image under the condition of missing low-frequency information.

According to the FSO system visual feedback alignment device based on multi-optical-axis rigid integration, the independent optical axis design is adopted, no spectroscope is arranged in a signal receiving main link, zero-loss receiving of light energy is achieved, the sensitivity of a communication system is remarkably improved, the communication distance of the communication system is remarkably increased, and energy efficiency maximization is achieved. In order to solve the parallax problem caused by an independent optical axis, a dynamic aiming circle is designed, and zoom self-adaptive'dynamic aperture 'aiming can be achieved. The upper computer calculates and draws a circle representing an optimal power point in real time according to the current camera magnification, and a user does not need to care about a specific angle value and only needs to move a beacon light spot into the circle, so that accurate alignment can be realized. A zoom camera structure is adopted, the contradiction that a single focal length cannot give consideration to near-field wide-angle search and far-field long-focus identification is solved, a target can be seen clearly through zoom under different communication distances, and the alignment precision is ensured through an algorithm.

This patent proposes a flight simulation method and system based on UAV-mounted backlighting imaging technology. This technology solves the key scientific issues of target perception and recognition of UAV platforms in backlighting environments, and provides an innovative solution for the cross-study of high dynamic range imaging, target detection, and intelligent flight control. By introducing a backlighting imaging camera and dynamic aperture control technology, combined with multi-point calibration and multi-scale noise reduction methods, it effectively overcomes traditional problems such as insufficient imaging dynamic range, loss of image details, and random noise interference in backlighting environments. At the same time, the image enhancement method based on the generative adversarial network achieves high-fidelity reconstruction of target texture and structural features under complex lighting conditions, avoiding the common artifacts and color drift problems in traditional enhancement algorithms. Furthermore, by combining the enhanced and optimized YOLO detection framework with a high-resolution feature pyramid network, a high-precision detection model for small targets adapted to backlighting scenes was successfully constructed, which significantly improved the robustness and real-time performance of detection while maintaining detection accuracy.