54results about How to "Solve acquisition problems" patented technology

The invention discloses a method for finely and accurately comparing line losses based on a smart-grid technology, and belongs to the field of measurement. The method comprises electric quantity settlement of a user and electricity consumption information acquisition, and is characterized by comprising the following steps of: constructing a unified distributed analysis system for finely and accurately comparing the line losses based on .NET Remoting software system architecture; adopting corresponding electric quantity settlement and electricity consumption information acquisition modes aiming at different types of users to form line loss statistic subsystems aiming at the different types of users; performing data or information transmission between each line loss statistic subsystem and a unified line loss management application platform by adopting a shared database interface form, and a mode of directly importing data based on an integrated data processing (IDP) data access interface of Web Service or an Excel file; realizing acquisition, conversion, cleaning and warehousing of remote heterogeneous data, and establishing a data dynamic seamless interconnection mechanism and an information real-time fast interaction mechanism; and finally realizing the fine comparison of the line losses to ensure that user side information is visible and controllable. The method can be widely used in the field of operation / management of an electric power system.

The invention relates to an online observation device and method for weather phenomena based on a light attenuation and scattering theory. The online observation device adopts an optical-mechanical structure with double light-source transmitting terminals and a single receiving end, and the optical-mechanical structure is as follows: a light source 1 transmits a precise parallel measuring light band; when falling precipitation particles pass through the measuring light band, the falling precipitation particles play a role of blocking and attenuating the light band; a photoelectric conversion signal is analyzed, so that the falling speed of the precipitation particles and the information of particle sizes can be obtained, the judgment to a precipitation weather phenomenon is realized, and the information such as precipitation intensity and raindrop spectrum can be provided; a light source 2 transmits a collimated measuring light beam; the scattering light intensity in an angle of horizontal 45 degrees of atmospheric particles in a sampling area on the light beam is detected, so that atmospheric visibility is reflected, and the identification of a visible weather phenomenon is realized. The device and the method realize the online automatic observation of a variety of weather phenomena, avoid adverse factors such as subjectivity in manual observation to cause observed results to be more accurate, timely, complete and integrated, have real significances on corresponding sciences such as meteorology, agriculture and environmental protection and engineering researches, and are widely applied to the fields of meteorological service observation, traffic safety scheduling, prevention and reduction of agricultural disasters, air quality monitoring and the like.

The invention provides a gatage measuring method based on digital image processing. The method comprises the following steps of: simulating the gatage data acquisition principle of working personnel; acquiring real-time color image data of an indication rod and a gatage staff gauge by using a camera; partitioning a staff gauge position which corresponds to the indication rod by adopting a modern intelligent digital image processing technology; and calculating a practical gatage value. Due to the adoption of the method, gatage data information can be acquired accurately without asking personnel to arrive at a field, and the problem of acquisition of gatage data in certain severe environments is solved. In the method, a small quantity of elements are used, the cost is low, and all acquisition and calculation are realized by using software. The method has the advantages of stability, reliability, high instantaneity, easiness for implementing, and the like.

The invention provides a locus measuring apparatus based on an LED luminous pendulum ball and a measuring method thereof. The apparatus is composed of a suspended LED luminous pendulum ball and a digital camera. The LED luminous pendulum ball is a metal ball, an axis of the ball is provided with a large through hole and a small through hole which are penetrated through, the small through hole is at bottom and is provided with an LED, and a cell, a resistor and a lead are in the large through hole. A suspension hook at a hanging cover center is fixed by a large hole port with screw fixing and is bolted with a pendulum line, another end of the pendulum line is fixed at a ceiling or a support, and the luminous pendulum ball which is embedded with an LED and related devices inside is formed and a center of gravity and a motion state of the metal ball are not influenced. The digital camera is placed under the metal ball and is used for shooting and recording various swing loci of the LED luminous pendulum ball under different initial velocity conditions and sending a shot image to a PC machine for storage and processing so as to observe and analyze the motion loci of the LED luminous pendulum ball. The locus measuring apparatus has the characteristics of a simple structure and convenient operation, a simple physical phenomenon can be accurately reproduced, a motion locus of sphere pendulum is recorded, and the apparatus has good popularization application prospect.

The embodiment of the invention provides a mixed-reality (MR) method and system. The method includes: collecting physical information of a target object in a real environment through non-visible-lightwaveband detection technology of the infrared spectrum field to obtain optical signals of the target object; then converting the optical signals into electrical signals, converting the electrical signals into digital signals, sending the digital signals to a 3D (3 Dimensions) digitization operation subsystem through a distributed data transmission subsystem, and generating related information ofa 3D image of the target object by the 3D digitization operation subsystem according to the physical information of the target object in the digital signals; and finally, carrying out mixed-reality processing by a 3D digitization model subsystem according to the related information of the 3D image of the target object and a 3D virtual environment, and thus superimposing the physical data of the real environment into the 3D virtual environment.

The invention belongs to the technical field of adsorbent materials, and specifically relates to an adsorbent material for colleting polar organic pollutants during water environment passive sampling.The adsorbent material is prepared according to the following steps: (1) in a constant temperature air bath oscillator, taking macroporous resin XAD-7 to be soaked in a methyl alcohol and water mixedsolution for sufficient contact; (2) after standing, adsorbing an upper liquid, injecting the methyl alcohol and water mixed solution again, and repeating the soaking process to obtain modified macroporous resin XAD-7; and (3) drying the obtained macroporous resin XAD-7 until constant weight. Modification is carried out by using the methyl alcohol and water mixed solution with specific content, and the macroporous resin XAD-7 can be of stronger polar groups, so that the collection problem of the polar organic pollutants in a water environment is solved. The invention also establishes a suit of matched elution optimization conditions, so that sampling and monitoring for the polar organic pollutants inside the water environment can be realized completely and efficiently.

The invention relates to a sea grass land restoration and reconstruction technology and particularly relates to a natural ripening accelerating and sowing method and device for a subtidal eelgrass reproductive plant. The method comprises the steps of clamping an eelgrass reproductive plant on a natural sea grass land onto a main rope and a side rope of a device, and then, putting the device for fixing the eelgrass reproductive plant into a proper natural sea area to carry out natural ripening accelerating and sowing on the eelgrass reproductive plant, wherein the device is sequentially provided with a floating ball, the main rope and a dropstone from top to bottom, the floating ball and the dropstone are respectively arranged at two ends of the main rope, and the main rope of which one end is provided with the floating ball is provided with the side rope along the length direction. By using the natural ripening accelerating and sowing method and device, an eelgrass seed can ripen and naturally drop, so that the collecting problem that the eelgrass seed does not ripen or the ripened seed drops is solved, and the sowing difficulty of seabed sea grass in a relatively deep subtidal water area is also overcome; by combining the simple, convenient and effective eelgrass sowing method, an eelgrass sea grass land in the relatively deep subtidal water area can be conveniently and rapidly restored or reconstructed; and meanwhile the device disclosed by the invention can be recycled, so that the cost can be reduced, and the used material cannot pollute the sea area.