5results about How to "Exact strength" patented technology

The invention discloses a TC path and intensity prediction method and device based on AI and physical characteristics and a medium, and aims to improve the short time scale prediction precision of the TC path and intensity, and through integration of a plurality of factors with definite physical significance, such as guide airflow, ventilation flow, vorticity, ocean surface temperature and the like, the TC path and intensity can be predicted. The physical factors are subjected to correlation analysis, regression analysis and the like, and it is ensured that the input factors have significant influences on TC paths and intensity changes. A plurality of AI models such as a convolutional neural network (CNN), a recurrent neural network (RNN), a multi-layer perceptron (MLP), a random forest (RF), a limit gradient boost (XGBoost) and a long short-term memory network (LSTM) are adopted to capture a complex nonlinear relationship between meteorological factors. In addition, by adopting a real-time feedback mechanism, new observation data are allowed to be dynamically input, model parameters are optimized, and the real-time performance of a prediction result is improved. The method is particularly suitable for the northwest Pacific Ocean region, has wide application prospects, and provides scientific support in the fields of meteorology, aviation, marine transportation and the like.

The invention relates to the technical field of material science, and particularly discloses a method for testing photoelectric and thermal characteristics of a semiconductor device, which comprises the following steps of: acquiring crystal impurity evaluation parameters of the semiconductor device to perform crystal impurity evaluation of the semiconductor device, and acquiring a crystal impurity interference correction value, the method comprises the steps of obtaining a thermal characteristic parameter set and a light characteristic parameter set of a semiconductor device, determining a test temperature array and a test light intensity array, determining a plurality of photo-thermal coupling test schemes based on the test temperature array and the test light intensity array, applying each photo-thermal coupling test scheme to the semiconductor device and obtaining an electrical characteristic tested data set, according to the method, the electrical characteristic tested value is calculated based on the electrical characteristic tested data set corresponding to each photo-thermal coupling test scheme, the optimal photo-thermal coupling test scheme is determined, the rationality and adaptability of formulating the photo-thermal coupling test scheme are improved, and it is ensured that the test result can reflect the characteristic performance of the semiconductor device in various environments.

The application discloses an agricultural process big data statistical analysis and alarm method, collects meteorological, soil, insect, irrigation state and equipment working condition data in agricultural production, carries out cleaning, time alignment and unified modeling on multi-source data, forms a monitoring sequence, carries out standardization and rank statistical processing on the monitoring sequence, identifies candidate abnormal points, further combines local significance test and interval distribution change test, confirms abnormal intervals, and then comprehensively scores mutation strength, significance strength and distribution change strength, generates early warning grades, early warning time and related index information, and outputs alarm results. The application realizes statistical analysis and graded early warning of abnormal changes in agricultural processes.

The application discloses a kind of adjustable orientation multi-channel plasma discharge device, it is related to multi-channel plasma discharge equipment technical field, including substrate frame, the substrate frame is equipped with discharge channel, the discharge channel is equipped with discharge device, the discharge channel one side is equipped with gas supply device, the gas supply device transports the gas to be ionized to the discharge device, the discharge device is used to ionize the gas provided by the gas supply device into plasma, the discharge channel is rotationally connected with plasma guide plate at the end away from the gas supply device, the plasma guide plate is used to guide the plasma that flows out from the discharge channel.The application can adjust the delivery angle of the plasma that flows out from discharge channel, so as to meet the diversified angle requirement of plasma.

This utility model provides a foundation pile concrete strength testing device, including: a testing box, a pressure receiving plate, a dust storage chamber, and a dust return port. The testing box has a set of testing chambers for testing the foundation pile concrete blocks. At the upper center of each testing chamber is a set of pressure receiving plates for detecting the pressure at the lower end of the concrete blocks. The upper end of the pressure receiving plates is equipped with several sets of pressure sensors for detecting the pressure applied to the concrete blocks. Compared with existing technologies, this utility model has the following advantages: the support frame adjusts the tilt angle of the mounting platform through a rotating rod linked to a motor, adapting to different testing needs; the moving wheels facilitate flexible movement and positioning of the device; the electric cylinder and support frame are rigidly connected through flanges and bolts, ensuring stable pressure application; and the entire process, through the synergistic action of the pressure receiving plate and the lower pressure head, combined with automatic dust removal and angle adjustment functions, achieves accurate measurement and efficient cleaning of concrete strength.