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188results about How to "Accurate coverage" patented technology

Cell information detection and cell coverage calibration method for mobile network

ActiveCN105744535AAvoid time delays and human errorsDelay the time of being blockedNetwork planningTime delaysMobile Web
The invention discloses a cell information detection and cell coverage calibration method for a mobile network, belongs to the field of mobile communication, and solves the problems that how to accurately acquire the cell key parameters of the mobile network and thereby to establish a base station information list, and how to accurately measure and calibrate the actual coverage range of each cell. According to the method, the user online information of the mobile network collected by a user terminal is used, and via the big data analysis means, the cell key parameters (cell identifiers, station location longitudes and latitudes, direction angles, station types, etc.) are determined, and the base station information list is established; and based on a large number of sampling data of the user online information collected by the terminal, the coverage boundary of each cell is accurately calibrated, and the cell coverage map of the whole network is established. According to the method, the cell key parameters of the mobile network can be accurately acquired, and thereby the base station information list can be established, the time delay and manual errors caused by maintaining the base station information list in a traditional manual collecting and step-by-step reporting manner can be effectively avoided, and the actual coverage range of the network can be accurately evaluated.
Owner:BEIJING UNION UNIVERSITY

Printing method of combining conventional printing with digital printing

The invention relates to a printing method of combining conventional printing with digital printing. At present, no printing method is capable of really and effectively combining conventional printing with digital printing. The printing method sequentially comprises the following steps of:1. decomposing a pattern, namely, decomposing a pattern needing being printed into a conventional printing pattern and a digital printing pattern; 2. mixing size and making plate, namely, carrying out dye blending and making a digital printing screen; 3. carrying out screen printing, namely, carrying out conventional printing and digital printing pretreatment; 4. carrying out digital printing, namely, carrying out digital jet printing on a printing medium by adopting a digital jet printing system with a pre-detection device according to the digital printing pattern, determining a digital printing position on the printing medium, printing the digital printing pattern on the printing medium to ensure that the digital printing pattern is coincident with the conventional printing pattern; and 5. carrying out post-treatment to prepare a finished product. The printing method is good in printing effect and low in production cost, and is capable of really and effectively combining the conventional printing with the digital printing.
Owner:HANGZHOU HONGHUA DIGITAL TECH

Temperature and humidity measuring and control device, system and method

The invention provides a temperature and humidity measuring and control device, system and method. Multiple temperature and humidity probes and a host are adopted, wherein the temperature and humidity probes are capable of being arranged at different positions and used for monitoring the temperature and humidity information of the environment where the probes are located, and the host is connected with the multiple temperature and humidity probes and used for obtaining the temperature and humidity information of all the temperature and humidity probes and conducting control processing according to the temperature and humidity information. The multiple probes are used for monitoring the environment of a warehouse, the host is used for processing the monitored environment of the warehouse, in this way, the whole environment can be accurately covered, multiple temperature and humidity measuring and control instruments are not needed, networking can be easy, and investment cost is greatly saved. Moreover, the environment parameters such as the temperature and the humidity and the like can be displayed and broadcast through voice. When the current environment parameters exceed a limit range, an alarm is given out, and/or the ventilation value of a ventilation device is controlled, the current environment parameters are changed, manual control is not needed, work efficiency is improved, and the real-time property is good.
Owner:BEIJING HANGYU JUNKE ELECTROMECHANICAL EQUIP

Fibre guide ring control system for annular three-dimensional knitting machine and adjustment method thereof

ActiveCN104562426AAccurate coverageImprove weaving qualityBraidFiberMicrocomputer
The invention relates to a fibre guide ring control system for an annular three-dimensional knitting machine and an adjustment method thereof. According to the fibre guide ring control system, a mandrel shape and dimension detection device and a knitting mandrel are oppositely arranged, in which an infrared transmitting tube and a photoelectric receiving tube are installed; a logical processing module is connected with a hydraulic adjustment device, and comprises a microcomputer processor, a drive circuit module and a signal processing module; the microcomputer processor is connected with the drive circuit module; the drive circuit module is connected with the infrared transmitting tube; the photoelectric receiving tube is connected with the signal processing module; the signal processing module is connected with the microcomputer processor through an AD sampling circuit; a hydraulic cylinder for adjusting the size of an adjustable fibre guide ring is installed on the guide ring; the hydraulic adjustment device is connected with the hydraulic cylinder through a pipeline. The fibre guide ring control system disclosed by the invention is capable of reducing the deformation degrees of fibres in a convergent area, thus the fibres are closer to straight lines in the convergent area and the basically constant taper angle of the convergent area is kept, the knitting angle of a fabric on the surface of the mandrel is closer to an ideal value, and the weaving quality is improved.
Owner:ZHEJIANG SCI-TECH UNIV

Method of manufacturing electronic cards

The present invention concerns a method of manufacturing complex electronic cards each including an electronic device or assembly (40) formed of a first electronic unit (4) at least partially arranged in a window in a solid bottom layer of the card and a second electronic unit (10), incorporated in the body of the card, at least partially formed by a resin provided on the solid bottom layer. In order to prevent the resin from flowing into a slit between the lateral wall of the window and the second unit inserted therein, a protective film is arranged to cover the edge of the rear face of the first unit and a zone peripheral to the aperture in the solid layer. According to the invention, the electronic device or assembly (40) is first formed and then placed on the bottom solid layer. The protective film is arranged between the two units after or when the electronic device or assembly is formed. Therefore according to the invention the protective film is formed, for example, of several parts (24, 26) having respective profiles that define an aperture into which the electrical connection (18) between the two electronic units (4, 10) passes. In another embodiment, the protective film is formed of a single part having at least one slit starting from an aperture (32) made in said part and provided to allow the electrical connection to pass therethrough. In another embodiment, the protective film has flaps at the edge of the aperture and is assembled to the solid bottom layer prior to addition of the electronic device or assembly.
Owner:NAGRAVISION SA
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