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757results about How to "For easy reference" patented technology

Visual support and match analysis system for ping-pong match and method for running same

The invention provides a visual support and match analysis system for a ping-pong match. The system comprises the following modules: an image acquiring and ping-pong ball target recognizing and positioning module, a KALMAN filter module, a track data fitter module, a characteristic analyzing module, a kinematic parameter learning machine module, a single path judging module, a three-dimensional virtual scene reappearing module, a match characteristic data storing module and a user interaction module. A set of system with friendly and complete information extraction and storage, user interaction support and capability of performing track recording well and extracting characteristic information on ball hit of an athlete is developed through real-time visual acquisition. The system can process data in real time and filter and record the processed data in ping-pong trainings and matches, automatically extracts ping-pong ball path characteristic, bring convenience to a judge to replay, is applied to automatic judging and television relaying in the ping-pong match, has a complete, effective and overall analyzing function after the match and can automatically extract and store the characteristic information in a match process and intuitively counts and displays ball throwing and ball winning path characteristics of the ping-pong athlete.
Owner:ZHEJIANG UNIV

Vapor generator for intelligently controlling vapor temperature

The invention provides a vapor generator for intelligently controlling vapor temperature. The vapor generator comprises a box, an electric heating pipe, a cold water inlet and a vapor outlet. The cold water inlet is formed in the side wall of the box. The upper portion of the box is provided with an exhausting opening. The electric heating pipe is arranged in the box and comprises an outer pipe and an electric heater arranged in the outer pipe. The electric heating pipe is arranged in the vertical direction. A water input channel is formed in the lower portion of the electric heating pipe to ensure that water in the box can enter the electric heating pipe to be heated. The upper portion of the electric heating pipe is connected with the vapor outlet. The vapor outlet is provided with a temperature sensor and used for measuring temperature of the vapor outlet. The temperature sensor, the electric heating device and a controller are in data connection. The vapor generator of the new structure is designed, vapor can be generated fast and efficiently, moreover, the vapor generator has the beneficial effects of carrying out heating fast, enabling temperature distribution to be uniform and being safe and reliable, and the heating efficiency is improved.
Owner:安徽省皖晨电子科技有限公司

Dual-algorithm mode farm machinery field operation area calculating system and method

The invention relates to a dual-algorithm mode farm machinery field operation area calculating system and method. The system comprises a vehicle-mounted terminal device and a server module. The vehicle-mounted terminal device is internally provided with a GPS module for positioning the position of a farming machine during an operation driving process, a GPRS module for sending together position data and a time corresponding to each position point to the server module through a wireless network and receiving a calculating result of a server, and a controller for controlling the GPS module and the GPRS module, controlling a display result, and controlling historical data storage and scheduling, wherein the GPS module, the GPRS module and a display are connected with the controller, and the GPRS module communicates with the server through a GPRS wireless network. The server module is responsible for calculating a related result. According to the invention, the modes of two algorithms, i.e., a finite element method and a locus method, are simultaneously utilized, the actual land area of a farm filed operation area and the area of the farming machine driving in the operation area are calculated, operation cost for payment is given according to calculated areas, and at the same time, the result of a driving locus is stored in the form of a picture, so that farming machine drivers and farmers can know detailed driving situations conveniently.
Owner:吴晓伟 +1
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