32results about How to "The collection result is accurate" patented technology

The invention belongs to the technical field of wireless signal collection methods based on spatial relationships, and belongs to an intelligent collection method based on map information matching and location navigation and correction of collectors. Including map making, map road network design, collection program design, data collection, status analysis of collectors, and collection correction steps. The invention establishes a detailed indoor map road network and an outdoor map road network, and establishes a position estimation program to track the real-time position of collectors. Map the signal collected by the collector during walking with a specific location. Collectors do not need to design routes in advance. After setting the starting point, they can collect data at any speed and at any walking habit, which simplifies the collection process, improves collection efficiency and accuracy, and reduces the requirements for collectors.

The invention provides a functional verification platform of a battery management system, which can comprehensively detect whether the battery management system works normally and the functions are complete in an off-line state. The platform is composed of a special signal generating module, a measuring and controlling system, a man-machine interaction platform and a controller area network (CAN) transceiver module. The platform can realize the normal working of the battery management system in the off-line state by generating total voltage analog signals, module voltage analog signals, total current analog signals, temperature analog signals and handshaking signals, and can process the preset functions as well. In addition, the battery management system feeds back work task results to the functional verification platform in the form of CAN communication. The results output by the battery management system at present are compared with instructions input by the functional verification platform, the hardware, driver software and application software functions of the battery management system can be verified fast.

A multi-protocol adaptive data acquisition device for ship air flow field measurement, a data processing module, a data acquisition and transmission module, the data processing module includes a record generation unit, a record writing unit, a configuration management unit, a graphical display unit, Equipment status monitoring unit, COM422 processing unit, first Ethernet processing unit, second Ethernet processing unit, shared storage unit; data acquisition and transmission module includes power supply unit, network switching equipment, protocol adapter group, wherein the protocol adapter group includes COM422 protocol , Ethernet protocol. Through the cooperative work of the data processing module and the data acquisition and transmission module, the present invention solves the problems of protocol adaptation, time synchronization, high-frequency data storage and graphical display for simultaneous data acquisition by multiple sensors of various types, and simplifies the The measurement process of the ship's stern flow field measurement has the advantages of strong professionalism, accurate collection results, and efficient testing and testing.

The present invention provides an intelligent prediction and control system and method for the fish-vegetable coexisting system. The acquisition module in the system acquires the environment data of the fish-vegetable coexisting system; the prediction control module predicts the content of dissolved oxygen in a fish pound of a period in the future and generates a control command based on the prediction result; the circulation module controls the fish-vegetable coexisting system in real time and increases oxygen according to the control command. The method comprises the following steps: while conducting circulation control on the system, acquiring the environment data; standardizing and pre-treating the environment data; based on the particle swarm optimization algorithm, optimizing the fuzzy neural network control algorithm to obtain the prediction control model of the dissolved oxygen in the fuzzy neural network; and obtaining a prediction result on the content of the dissolved oxygen in a fish pound of a period in the future so as to control the fish-vegetable coexisting system. According to the invention, the prediction and control of a fish-vegetable coexisting system can be carried out at the same time, and oxygen can be added in accordance to the requirement, so that oxygen can be added more accurately and timely. Therefore, the fish-vegetable coexisting system runs accurately and stably.

An intelligent power tour-inspection terminal comprises an RFID module, a shooting module, a distance sensor, an angle sensor, a microprocessor and a communication module; the RFID module reads an RFID label of a measured object, and collects state data of the measured object according to the read RFID label information; the shooting module collects image data of the measured object; the distance sensor measures the distance, namely a first distance, between a measuring point and the measured object; the angle sensor measures an azimuth of the measured object and an inclination angle of a connecting line between the highest point of the measured object and the measuring point; the microprocessor calculates and obtains the height of the measured object according to the first distance, the inclination angle and the azimuth; and the communication module sends the state data, image data, first distance, inclination angle, azimuth and height to a background system. The invention also provides a mobile phone. Due to arrangement of the shooting module, the distance sensor and the angle sensor, image collecting and distance, angle and height measuring functions are provided additionally.

The invention discloses a multi-angle electric arc light intensity collecting method based on a CCD camera. Arc plasma serves as a self-luminous observation object, according to the collecting method, under the condition that electric arc is not required to be rotated or a camera is not required to be moved, the reflecting mirror is used for collecting the arc light emitted by the reflecting mirror at an angle of 180 degrees, finally, a narrow-band light filter is used for selecting the light with the required wave band to enter the camera, arc narrow-band images at different angles are presented at different positions on a light sensing element of the camera, a light intensity distribution and collection of specific spectral lines at multiple angles are completed; and the relay lens performs secondary focusing on the electric arc, focusing distance of an industrial camera is shortened or prolonged to a certain extent so that the camera can be clearly imaged to the light of different optical paths under the same focal length, and the sizes of the arc images are the same. The method has the advantages that utilization rate of the light sensing element of the camera is greatly improved, good time resolution and good spatial resolution are obtained, and high cost of an existing multi-angle electric arc image acquisition system is greatly reduced.

The invention relates to a measuring method, system and device based on oblique photography, and a storage medium. The method comprises the following steps of controlling an unmanned aerial vehicle tofly according to a set flying trajectory, collecting image information of a target object in a to-be-measured area by photography, performing aerotriangulation according to the image information of the target object, and building a spatial three-dimensional model; selecting a plurality of surface points of the spatial three-dimensional model according to a preset point location selection rule, and establishing a main baseline and an auxiliary baseline of the target object according to the surface points; and determining position information of the target object according to the main baselineand the auxiliary baseline. The measuring method is accurate in collecting result and relatively high in efficiency; most of field operations are transferred into a room and subjected to computer-aided processing, so that the field operation risk of an operator is eliminated, the operation cost is reduced, and the problem of difficult field collection due to the closure and privacy of the target object is solved; and the measuring method is suitable for popularization and use of large-scale high-precision measurement.

The invention relates to a sample sampler and a sampling device; the sample sampler comprises a container body, an end cover and a driver; the container body has a collection position, and the collection position is provided with a collecting port; the end cover is detachably arranged at the collection position and is used for exposing or closing the collecting port; the driver is in drive connection with the end cover and is used for driving the end cover to expose or close the collecting port. Through the control of work of a driving motor, the end cover can be opened at the collection position to expose the collecting port, and microorganisms near the collecting port enter the container body, so that the microorganisms are collected, the operation is convenient, experimental personnel are prevented from directly touching the container body, the influence of external air flow on the microorganisms in the container body is effectively avoided, and the collection result is more accurate.