32results about How to "Quickly get" patented technology

The invention discloses a wireless network coverage blind zone statistical method, a mobile terminal and a system. The method includes the steps of receiving wireless signals through the mobile terminal and then obtaining strength information of the wireless signals, judging whether the mobile terminal enters a wireless network coverage blind zone according to the strength information of the wireless signals, and obtaining current first position information of the mobile terminal. The obtained first portion information is a boundary point of the wireless network coverage blind zone, so a wireless service supplier can utilize the mobile terminal to obtain the boundary point of the wireless network coverage blind zone, and the consumed time and manpower resources used in the method are fewer than the consumed time and manpower resources used in an existing testing method. Because the boundary points of the wireless network coverage blind zone are obtained through the mobile terminals of users in various places, the obtained boundary points can more truly and effectively reflect the coverage condition of the wireless network. Therefore, the wireless network coverage blind zone statistical method, the mobile terminal and the system can provide more reliable network optimization basis for network optimization of the wireless service supplier.

The invention discloses a ternary composite repairing agent, containing iron oxide, humus and reducing bacteria thereof, for in-situ remediation of organic pollution in soil and sediment. The repairing agent of the invention is prepared by carrying out fermentation enlarge culture on ferric reducing microorganism and mixing with iron oxide and humus uniformly. The microbial repairing agent of the invention can accelerate degradation of organic pollutants under an anaerobic condition and has good in-situ remediation effect on organic pollution soil and black and stink sediment. Raw materials are all natural substances and environment-friendly, and cause no secondary pollution. The microbial repairing agent of the invention is simply applied without excavating or disturbing original environment or oxygen, requires low work amount and small cost, and is apt to large-scale usage. The preparation method of the repairing agent of the invention can obtain a microbial repairing agent product simply and fast.

The invention relates to a method for generating a signal interleaving pattern, belonging to the technical field of communication signal processing. It includes: according to the length L of the address sequence composed of the addresses of all symbols in the signal sequence, determine the order n of the maximum length shift register code, and limit the value range of the positive integer α by n, and then according to these two parameters An interleaving pattern is obtained, that is, all symbols in the output signal sequence after interleaving correspond to addresses in the input signal sequence before interleaving. The feature of the present invention is that: for a fixed interleaving length L, the positive integer α has multiple values, and for different α, different interleaving patterns can be obtained by using the same method.

A traffic identification method based on deep packet inspection, firstly judge whether the TCP port number in the received message is greater than a first threshold, if greater than the first threshold, use DPI technology to judge, otherwise use TCP connection information to judge. By applying the above technologies, the identification results can be obtained more accurately and quickly in traffic identification, and the identification process is also greatly optimized, which can be more easily implemented in existing equipment.

The invention discloses an unmanned aerial vehicle long-distance real-time positioning mapping display interconnection type control method, which comprises: determining the longitude, the latitude and the altitude of an unmanned aerial vehicle position, and the azimuth angle and the pitch angle of a camera; determining the altitude of a center point and the liner distance between the center point and the upright projection point of the unmanned aerial vehicle on the ground according to the linear distance between the unmanned aerial vehicle and the center point, wherein the linear distance between the unmanned aerial vehicle and the center point is determined by the laser distance measurement instrument on the unmanned aerial vehicle; determining the geographical coordinates of the center point by using a latitude and longitude calculation formula; calculating the true width and the true height of the visual field in the camera image by using a trigonometric function theorem according to the altitude of the unmanned aerial vehicle and the pitch angle, and determining the coordinates of other points by combining with the coordinates of the center point and the screen pixel resolution; and defining multiple marking points, calculating the distances between different marking points, and calculating the area of the polygon formed from the marking point by using a Heron's formula. According to the present invention, with the method, the positioning of the geographical coordinates of the any target point in the long-distance real-time video can be achieved, the altitude is determined, and the visual field area is determined.

The invention discloses an iron humate-microbe composite soil pollution repairing agent and a preparation method thereof. The composite repairing agent is composed of iron humate and humus reducing bacterium, wherein the humus reducing bacterium is shewanella putrefaciens or South Korea comamonas; each millimeter of composite repairing agent comprises 0.002 to 0.01 gram of iron humate, the number of humus reducing bacterium in each millimeter of composite repairing agent is more than 10<8>CFU; the iron humate is a complex prepared from humic acid and Fe(SO4).7H2O; the preparation method of the composite repairing agent comprises the following steps: extracting humic acid, preparing iron humate, culturing bacterium strains in a shake flask, carrying out fermentation to prepare inoculant, and mixing to prepare the repairing agent. Compared with the prior art, the provided repairing agent can be used to repair soil polluted by organic compounds, and has the advantages of good repairing effect, quick repairing speed, low production cost, simple and convenient preparation method, and easiness for large scale production.

The invention provides a normal pressure preparation scheme of aerosil by using nitrate. The preparation scheme comprises the following steps: a certain mass fraction of potassium nitrate or a sodium nitrate salting liquid is used for immersing aged silica wet gel, and immersed wet gel is obtained; immersed wet gel is placed in a certain environment, in order to precipitate nitrate; after solvent replacement is carried out for the gel by using an organic solvent with low surface tension, the gel is dried at a normal pressure, and the aerosil is obtained. Compared with the prior art, the normal pressure preparation method of aerosol is improved based on the normal pressure preparation method of the aerogel, nitrate is employed for wrapping the aged aerogel, and the aerosil product with good performance parameters is prepared. In addition, the normal pressure preparation scheme of aerosil can reduce cost, and is good for industrial production.

The invention belongs to the field of biotechnology, and in particular relates to the preparation of geranium wilfordii Maxim. polysaccharide and its application in the development of liver-protecting drugs. The present invention adopts concanavalin A-induced immune liver injury model to investigate its hepatoprotective activity. Experimental results show that geranium polysaccharides can significantly reduce liver function indicators in mice with liver damage, and can be used to develop liver-protecting drugs, especially drugs for the treatment of immune liver damage. This invention is of great significance to the further development and utilization of geranium.

The invention relates to an industrial fixed-focus camera parameter calibration device based on a square target model, which includes a target, a camera translational movement component and a PC. The target and the camera translational movement component are arranged on the ground at a certain distance. The calibration camera is set on the camera translational movement component and connected to the PC. The target is provided with four dots, and the geometric centers of the four dots form a square. Compared with the prior art, the present invention has the advantages of simple and easy to use, high calculation speed and high accuracy.

A method for identifying a P2P network using DPI technology. First, determine the topological range value of the network to be identified. If it is greater than the first threshold, use DPI technology to determine; otherwise, determine the ratio of input and output data volume within a certain period of time. By applying the above technologies, the identification results can be obtained more accurately and quickly in traffic identification, and the identification process is also greatly optimized, which can be more easily implemented in existing equipment.

The invention discloses a mining system for intelligently extracting data, comprising a system management module, the system management module realizes bidirectional connection with a multi-channel data classification and extraction system, and the multi-channel data classification and extraction system includes a time data classification and extraction module, a data Format classification extraction module and data size classification extraction module, the output end of the time data classification extraction module is connected with the input end of the data format classification extraction module, and the output end of the data format classification extraction module is connected with the input end of the data size classification extraction module Connection, involving the field of data mining technology. The mining system for intelligent data extraction can realize multi-channel classification and extraction of the data that needs to be extracted, which has achieved the purpose of increasing the pertinence and accuracy of data extraction, and facilitated users to obtain more quickly and accurately The required data, which greatly facilitates the user's data mining work.