156results about How to "Popularity" patented technology

The invention relates to a method and a device for automatically distributing online customer service executives to conduct customer service. The method includes that a service queue formed by the customer service executives is built; a client consultation request is sent to a server; the server transmits characteristic information of clients, the consultation request and characteristic information of the consultation request to a routing selection unit of the server; the server builds at least one consultation queue formed by the clients; the server distributes the consultation to the corresponding service queue according to a preset distribution strategy and then sequentially and automatically distributes the clients of the consultation queue to specific customer service executives of the service queue, and a conversation connection request is sent to a client side instant communication terminal through the server; the client side instant communication terminal receives and responds to the conservation connection request, and builds direct conversation connection with the customer service executives to enable the customer service executives to conduct client consultation service; after the consultation service is finished, conservation connection between the clients and the customer executives is broken, then the server recalculates customer service executive weights and rearranges the service queue.

The present invention discloses a composite board based on mixed waste polymers and a preparation method thereof. The preparation method of the composite board based on the mixed waste polymers is characterized by comprising the following steps of: (1) weighing the raw materials according to a certain proportion, adding the raw materials to a high-speed mixer, mixing at the temperature of 40-60 DEG C and the rotation speed of 800-2000 rpm for 20-30 minutes, cooling to room temperature and discharging; and (2) adding the mixed material to a mold, vulcanizing at the temperature of 150-180 DEG C and the pressure of 10-15 MPa for 10-20 minutes, cooling and relieving pressure. The composite board based on the mixed waste polymers provided by the invention does not need to consider the complex compatibility and plasticizing problems of multiple polymers, effectively solves the problems that the existing mixed waste polymers can not be classified and are discarded, and can be used as the substitute for wood to be applied in the tray manufacturing field and other fields. The production process provided by the invention is simple, uses existing equipment and is suitable for mass production.

The invention discloses a high-performance recycled PET / ABS alloy. The alloy comprises the following components in percentage by weight: 30 to 80 percent of recycled PET, 10 to 50 percent of ABS, 1 to 10 percent of reinforcing agent, 2 to 15 percent of compatilizer, 0.5 to 5 percent of flexibilizer, 0.5 to 3 percent of polyhydroxy chemical coupling agent, and 0.1 to 1 percent of antioxidant. The alloy can improve a recycled PET system by using reasonable matching of additives, effects of the polyhydroxy chemical coupling agent, and excellent physical mechanic properties of an ABS system. Therefore, the recycled PET / ABS alloy has the advantages of high compatibility, high tensile strength, high mobility, good machinability and the like, is particularly suitable for producing complicated components and parts and large plates, has a simple process, is suitable for mass production of medium-sized and small enterprises, and has obvious economic benefit and social benefit.

The invention provides a method for monitoring and early warning water bloom in a small water area based on image processing, which relates to a method for monitoring and early warning water bloom in a small water area. In the invention, a camera and a computer are used for realizing the purposes of monitoring and early warning the water bloom in the small water area through calculation according to programs. The invention has the characteristics of simple monitoring equipment, strong environment adaptive capacity, small algorithmic calculated amount, high speed, low requirements for hardware, flexibility, convenience, low cost, convenient maintenance and the like, can be directly embedded with the existing water surface video monitoring system or can be developed into embedded equipment or can directly operate on the computer, and can realize the purpose of quickly and effectively early warning the water bloom in real time. The invention can be widely used for monitoring and early warning the water bloom in small water areas such as upstream reservoirs of rivers, reservoirs used as sources of drinking water of towns, river reaches in water taking areas of towns, rivers, lakes or landscape water areas where the water bloom often occurs, and the like.

The invention provides a multipurpose optimization method for distribution of facilities in a plant, which comprises the steps of: 1. dividing distribution areas of facilities in the plant into operation units and obtaining related original parameters; 2. obtaining logistic relation parameters and non-logistic relation parameters of the operation units according to the original parameters obtained from the step 1; 3. building a multipurpose facility distribution optimization model; and 4. solving the multipurpose optimization model by using an NSGA (non-dominated sorting genetic algorithm) II, thus obtaining a Pareto solution set as a facility distribution optimization scheme set. With the method, the technical problem that multipurpose optimization distribution is carried out on the facilities in a building of the plant is solved, and the use of the method has the advantages of high distribution efficiency, high operation vision degree, good optimization effect, low use cost and strong university.

The invention discloses a head-wearing type virtual reality device based on a mobile terminal. The head-wearing type virtual reality device comprises a box body with openings formed in the front end and the back end, an observing cover arranged on the opening in the back end of the box body in a covering mode, a terminal containing plate, a lens assembly comprising lenses and a triggering module, wherein the terminal containing plate, the lens assembly and the triggering module are sequentially arranged in the box body from front to back. Light transmitting holes corresponding to the lenses are formed in the terminal containing plate. The triggering module is used for detecting whether the mobile terminal is placed on the terminal containing plate or not. The head-wearing type virtual reality device is simple in structure, low in manufacturing cost and high in practicability; a user can obtain immersed type experiences with vivid pictures and novel effects through the mobile terminal only by placing the mobile terminal on the terminal containing plate, the use threshold of the virtual reality device is greatly lowered, and universality is high; meanwhile, the user can automatically get into the experience state after wearing the device, it is not needed that a background task of the mobile terminal is started in advance and then the mobile terminal is placed into the device, and operation is more convenient and more intelligent.

The invention discloses a real-time interactive high definition network video communication system comprising more than one high definition network camera used for collecting high definition images in real time and compressing the high definition images to more than one video data streams suitable for network transmission; a control computer used for obtaining more than one video data streams through the network, respectively decoding and integrating the video data streams to a total video, and sending the total video to a high definition video encoder; and the high definition video encoder used for receiving the total video and compressing the total video to total video data stream for the access of a plurality of network users in real time. The real-time interactive high definition network video communication system disclosed by the invention can be used for realizing the real-time share and interaction of such data information files viewed by a plurality of parties as high definition audio and video and image-text, so that the system is suitable for large, medium and small remote video conferences and academic communication conferences, the compatibility is good, the achievement cost is small and the cost is low.

The embodiment of the invention discloses a multimedia content legitimacy verification system which comprises a signing module and a verification module. The signing module is used for obtaining the content issuance digital licence of the multimedia contents to be issued, obtaining the digital signature of the multimedia contents according to the content issuance digital licence and the content fingerprint data and description information of the multimedia contents, adding the digital signature to the multimedia contents and sending the multimedia contents to an issuing party for issuance. The verification module is used for obtaining the multimedia contents to be supervised on multimedia related entities, extracting the digital signature of the multimedia contents, verifying the validity of the digital signature according to the content issuance digital licence and judging the legitimacy of the multimedia contents according to the verification results. The embodiment of the invention also discloses a method and a device for verifying the legitimacy of multimedia contents. The system, the method and the device of the invention can effectively verify the legitimacy of multimedia contents.

The system includes computer, 24 bits A / D acquisition board, high voltage charge / discharge control board as well as time control, timer, display board and control circuit. The said each part is connected through control wiring. The control signal is stable, not affected from influence of topography, interference and weather basically. The information at explosion point is received and recorded at explosion point so as to raise reliability. The said information can be processed in real time in order to carry out quality control effectively. General-purpose GPS makes design and manufacture easier. The invention is applicable to oil, geological and coal exploration. 3D positioning of explosion point is available in the invention, and synchronous accuracy is better than 0.01% so as to extende application area.

The invention relates to an adaptive wind-air-light-heat energy optimization system and control method, and belongs to the field of building energy supply. The invention mainly aims at solving problems that the conventional energy-saving technology is not ideal and is not good in adaptability. The system comprises a wind power generator set, a photovoltaic power generator set, an electric heating water storage and energy storage device, a solar energy collector, an air source heat pump set, a control system, an energy acceptor system, and a building power supply system. The control method carries out the adjustment of indoor temperature, power generation and heat storage. The adjustment of indoor temperature is carried out through collecting the indoor and outdoor temperatures and judging the starting of a heat supply system or a cooling system; The adjustment of a power generation system is carried out through the following steps: collecting the weather condition of a geographic position where a building is located, judging the user type of the building, judging whether time is a peak moment or not, and carrying out power storage or power supply. The adjustment of a heat storage system is carried out through the following steps: collecting the pressure value and temperature value of the heat storage system, comparing the pressure value and the temperature value with set values, and controlling the starting of the heat storage system, the air source heat pump set, or the hot water system according to a comparison result.

The present invention discloses a cloud print service system. The system comprises an intelligent user terminal, a cloud print service platform and a cloud print server, wherein the cloud print service platform receives a cloud print task submitted by the intelligent user terminal, and the cloud print server receives a print document of the cloud print service platform and is installed with a print driver; and the cloud print server comprises a network port driving module, a document archive standardization management module, a task management module, a USB driving module, a printer management module and a printer status monitoring module. According to the cloud print service system provided by the present invention, the Linux development based cloud print server is adopted, so that the popularity and convenience are high; and a user can submit a print demand through the cloud print service platform, and the cloud print service platform, according to the user demand and a state of physical print resources, performs analytical matching and sends the print document to the corresponding cloud print server to perform format conversion and drive printing, thereby effectively avoiding resource waste and improving printing efficiency.

The invention discloses a body bolster structure for an articulated vehicle with a swing bolster type bogie. The body bolster structure is characterized in that the body bolster structure is a symmetric structure along the longitudinal center line and is matched with a concave structure of a swing bolster of the articulated bogie, special-shaped beams are U-shaped beams with hollow and concave middles, cover plates are arranged on two sides of each U-shaped beam, connectors are arranged at two ends of each special-shaped beam by means of machining, and holes are formed in U-shaped side edge beams of the special-shaped beams; a lower cover plate is matched with the integral lower portions of the special-shaped beams, a center hole is formed in the lower cover plate and is matched with a traction center pin, the longitudinal left end and the longitudinal right end of the lower cover plate are fixedly connected with a left edge beam and a right edge beam of vehicle chassis, the transversefront end and the transverse rear end of the lower cover plate are fixed to a traction beam and rear-end longitudinal beams, an upper cover plate is matched with the hollow concave portions of the special-shaped beams, a center hole is formed in the upper cover plate and is matched with the traction center pin, reinforcing beams are fixed to positions between grooves formed by the special-shapedbeams and the lower cover plate, and reinforcement upright plates are fixed to positions among the front end of the upper cover plate, the front end of the lower cover plate and U-shaped side edges ofthe special-shaped beams. The body bolster structure has the advantages that the problems of complicated structures of swing bolster type bogies of existing articulated vehicles and existing vehiclechassis and difficulty in butting can be solved by the aid of the body bolster structure; the body bolster structure is simple, practical, safe and reliable and is high in universality.

The invention provides a method for simply positioning the machine tool turntable rotation axis and belongs to the field of machine tools. The invention provides the method for simply positioning therotation axis of the machine tool turntable. The rotation axis of the machine tool turntable is positioned by means of an auxiliary ball and a dial indicator. The method comprises the following steps:1, determining and moving a main shaft to roughly-adjusted turntable coordinates; 2, placing the dial indicator on the turntable, and enabling a contact of the dial indicator and the auxiliary ball to be in light contact and equal in height; 3, determining and moving the main shaft to corrected rotation axis coordinates; 4, judging whether the difference between Bmax and Bmin is smaller than or equal to 0.002 mm or not, if not, entering the step 2, and if yes, entering the step 5; and 5, determining the coordinates of the main shaft through a magnetic attraction base and the auxiliary ball toobtain the origin of the turntable coordinates, and establishing a rectangular coordinate system positioning axis. The method is convenient to operate, has no technical requirements on operators, consumes short time in a whole implementation process, and has very high practicability and universality.

The invention relates to the technical field of rehabilitation medical instruments, in particular to a lower limb rehabilitation robot, which is provided with a bracket and a treadmill, and is characterized in that the bracket is provided with a parallel buffer mechanism and a leg tralvel assisting mechanism,the parallel buffer mechanism consists of four connecting rods and a back plate. The leg travel assisting mechanism is arranged on the front surface of the back plate; the leg travel assisting mechanism consists of a group of width adjusting components, two groups of leg travel assisting components and four groups of driving adjusting components; the width adjusting component consists of a support, an tooth-reversed screw rod, a sliding seat plate and a hand wheel; the leg travel assisting component consists of a transverse hip rod and a vertical swing rod; the driving adjusting component consists of a support plate, a servo motor, a belt, a driving wheel, a driven wheel, a sleeve,a sleeve rod, a ball screw rod and a mounting hinge head. The treadmill is arranged below the leg travel assisting mechanism to assist the patient in performing ankle rehabilitation training, and therobot has the advantages of simple structure, low cost, convenient use, high popularity, and convenient household use.

The invention discloses a cutting propagation method for a fibraurea recisa pierre. The method which is simple in operation, fast in rootage of a seedling and high in survival rate and can meet the requirement of producing a large quantity of seedlings in a short period of time is implemented through taking a young branch cut into segments as a material, sieving different concentrations of a rooting agent and the soak time, and regulating a small culture environment. By adopting the method, the problems of less seeds, long time for propagation of seeds and lack of the seedlings in production are solved, and the requirements of a vegetable drug enterprise on raw materials are met.

The invention relates to a surface mounted type power light-emitting diode (LED) bracket manufacturing method and a product manufactured thereby. The method comprises the following steps of: 1) preparing a copper-clad printed circuit board (PCB) single-sided board of which the glass transition temperature Tg ranges from 140 to 165 DEG C and the thermal degradation temperature Td is not less than 300 DEG C; 2) forming at least one through hole passing through the single-sided board through a mechanical or laser process; 3) adhering and covering a metal sheet on the lower surface of the single-sided board, and sealing the bottom of the through hole; 4) forming a line layer I on a copper layer of the single-sided board and a line layer II on the metal sheet so as to form an LED bracket; and 5) cutting the LED bracket to separate independent LED bracket units. The invention also provides the surface mounted type power LED bracket manufactured by the method. By the invention, the prejudicein the prior art is overcome; a common PCB is used as a substrate for manufacturing a power LED bracket; furthermore, the process method is simple, the structural design is unique, the product cost is low, the universality is high, the heat dissipation effect is good, the application range is wide and the invention is suitable for industrial batch production.

The invention relates to the technical field of the semiconductor packaging, in particular to a realization method for lead bonding a thick aluminum wire. The method comprises the following four important operation key points of designing and optimizing a chopper, detecting chip surface aluminum layer thickness, optimizing and matching a bonding technical parameter, and detecting the bonding strength. As the thick aluminum wire is unlikely to oxidize, the production technology is simplified, and the cost can be obviously lowered. Meanwhile, the thick aluminum wire has the advantages of small contact resistance, low device power consumption, high bonding strength and the like. The chip aluminum layer thickness is detected by 85% phosphoric acid solution so as to ensure that the aluminum layer thickness is more than 5.0mum when the thick aluminum wire is lead bonded, and craters can be prevented from generating in the operation process. The technical parameter adopts initial power pressure, and the craters can be prevented by regulating the initial power pressure according to the practical situation. Whether the welding strength reaches the standard is judged by measuring the breaking force of the bonding wire by a gram force meter. According to the realization method for lead bonding the thick aluminum wire, the cost can be obviously lowered, the device power consumption is lowered, and the product reliability can be improved.

The invention discloses a stripe removal method of remote sensing images based on Fourier high-pass filtering and focal analysis. Preliminary smooth processing of focal analysis is combined in the method to easily remove stripe noises. Results show that compared with original images, mean values and standard deviation in different wave bands of processed images are obviously decreased and the signal to noise ratio of the processed images is substantially increased; and variation values are totally better than those in a histogram matching method and a cubic convolution processing method. It is comprehensively shown that the stripe removal method is suitable for removing stripe noise of remote-sensing images, and is easier and more feasible compared with a present programming noise elimination method and the like.

The present invention discloses a cardiac apex implantation cuspid valve clamping device and a cardiac apex implantation cuspid valve clamping method. The cardiac apex implantation cuspid valve clamping device comprises an upper connecting piece, a sealing end piece and a central woven net are sequentially arranged on the upper connecting piece, a rod penetrating cavity is formed in the central woven net, and the upper connecting mechanism is arranged at a near end of the sealing end piece; an inner frame net is connected with a lower end of the central woven net to form an integrated structure; an outer edge of an outer frame net is integrally connected with an outer edge of the inner frame net, besides, a lantern ring is arranged in a middle part of the outer frame net, and a lower connecting mechanism is arranged on an outer ring surface of the lantern ring; elastic clamps are fixed on a surface of the inner frame net; a clamp opening mechanism is used for controlling the elastic clamps to open; an initial memory state of the outer frame net is folding and wrapping the inner frame net and elastic clamps towards a far end. During compression intervention, the cardiac apex implantation cuspid valve clamping device greatly reduces aperture diameter, a small-aperture diameter sheathing canal can be intervened, difficulties and strengths of surgeries are reduced, the large-widthelastic clamps can be used, a capture success rate is increased, the elastic clamps are independently controlled through corresponding pull wires, capture of valve leaflets is easy to control, and universality is strong.

The invention provides a method for obtaining global positioning information of a destination, comprising a client side and a server side, wherein the server side is configured with the processing system of a mobile phone function module. Firstly, the client side dials, sends short messages, accesses a web site or uses a non Web client side software to send request instruction information to the server side; according to the requested instruction information, the server side sends the global positioning coordinate information containing the destination to a corresponding request client side via the processing system of the mobile phone function module; after receiving the global positioning coordinate information containing the destination, the client side simultaneously sends a relevant electronic map to the client side; and after being analyzed by a map software on the client side, the electronic map is loaded into the client side electronic map of the global positioning coordinate information containing the destination. The invention solves the problems that the global positioning information of the destination is inconvenient to obtain and the like, has the advantages of simpleness, easy operation and wide popularization range, brings about great convenience for going out and improves the images of enterprises, institutions or government offices.

The invention belongs to the technical field of building wall materials, and in particular relates to a sulfuric acid fly ash brick and a production process thereof. Sulfuric acid fly ash brick, prepared from the following components by weight: 22-26 parts of fly ash, 8-14 parts of calcium carbide mud, 60-66 parts of stone powder weathered sand, mixed in every 100 parts of the above ingredients Add 2-5 parts of industrial sulfuric acid solution with a concentration of 3%-6%. The invention is simple in operation, practical and reliable, energy-saving and emission-reducing, benefit-enhancing, and popular; this patent can solve the shortcomings of the original fly ash autoclaved bricks, which have a large coal consumption and low output, and can greatly reduce the coal used in production. Steam can reduce pollution, reduce emissions and increase production. For the unburned bricks that are naturally maintained, the amount of cement can be reduced and energy can be saved.

The invention provides a method for detecting a stable carbon isotopic ratio of soil through a near infrared spectrum. The method comprises the following steps that 1, stable carbon isotopic ratios of multiple calibrated soil samples are detected; 2, diffuse reflection spectrograms of the near infrared wave sections of the calibrated soil samples are collected to obtain original spectrograms; 3, smoothing pretreatment is performed on the original spectrograms to obtain treated spectrograms; 4, a quantitative relationship model between the treated spectrograms and the stable carbon isotopic ratios of the calibrated soil samples is built by adopting a partial least squares method; 5, a diffuse reflection spectrogram of the near infrared wave section of a to-be-detected soil sample is collected, and the stable carbon isotopic ratio of the to-be-detected soil sample is calculated according to the quantitative relationship model. According to the method, the stable carbon isotopic ratio of the soil can be quickly detected through the near infrared spectrum.

The invention belongs to a bridge turning construction accurate centering control construction method and a structure thereof. According to the method, vertical visible laser rays emitted by a laser demarcation device are used for finishing accurate centering of a turned bridge piece in the bridge piece turning construction process. The adopted structure comprises the laser demarcation device, the turned bridge piece, a support on a side span cast-in-place section and a temporary buttress, wherein the laser demarcation device is used for finishing the accurate centering control over the turned bridge piece in the bridge piece turning construction process, the laser demarcation device is located on the support on the side span cast-in-place section outside the rotating circumference of the turned bridge piece in a centering manner, and the horizontal rays emitted by the laser demarcation device and the center line of a bottom board of a cross section at the side span beam end of the turned bridge piece are located at the same elevation. By the adoption of the method and the structure of the method, in the bridge body turning construction process, the method and the structure have the beneficial effects that a bridge body is adjusted and measured rapidly, accuracy is high, the construction speed is high, the workload and labor are saved, the construction cost is low, safety is high, and the method and the structure are simple and easy to learn and high in popularization.

The invention relates to the technical field of water conservancy projects, in particular to a gate for hydraulically cleaning silt and garbage. The gate comprises machine bodies fixedly arranged on river banks at the two sides and distributed left and right, a cross beam is fixedly arranged between the machine bodies, five sets of hydraulic mechanisms are evenly distributed on the cross beam leftand right, a first belt cavity is formed in the machine body at the left side, and an engaging cavity is formed in the machine body at the right side. The gate for hydraulically cleaning the silt andthe garbage is simple in structure, low in cost, attractive in appearance, convenient to manufacture, convenient to overhaul and maintain in the later period, and capable of reducing the manpower andmaterial resource cost invested for cleaning small riverways, domestic small riverways are numerous and complex, and the gate can be applied to most riverways, has good universality and no pollutionto the environment, removes sand from a gate opening at regular time to reduce gate pressure, can be automatically opened to discharge flood at a flood peak, actively responds to the national call forenergy conservation and emission reduction, uses hydrodynamic power to generate electricity and stores the electricity, and is huge in development space potential and very optimistic in application value and market prospect.

The invention discloses an indoor pseudo satellite positioning system and an indoor pseudo satellite positioning method. The indoor pseudo satellite positioning system provided by the invention comprises a signal transceiver, a processor, a plurality of virtual satellite nodes and a mobile terminal, wherein the plurality of virtual satellite nodes are dispersedly arranged at suitable positions indoor, and disposed on an indoor LED lamp. The indoor pseudo satellite positioning method provided by the invention comprises the following steps: acquiring a first signal transmitted by a satellite, maintaining a local time of virtual satellite nodes according to the time of the received first signal; controlling each virtual satellite node to transmit a second signal according to the first signaland the local time; and determining its coordinates by a mobile terminal based on the received second signal. The indoor pseudo satellite positioning system and an indoor pseudo satellite positioningmethod provided by the invention realize functions such as indoor positioning and navigation on an ordinary intelligent terminal since GPS signals can be received indoor, and can also well solve the problems such as construction installation and post-maintenance since the virtual satellite nodes are simultaneously combined with LED lamps.

The invention provides a mortise-tenon connection structure of fabricated beam-column joints. The connection mode comprehensively considers the connection between upper columns and lower columns and the connection between beams and columns. Reserved chase mortises are formed in the upper columns, the lower columns, cross beams and longitudinal beams. During construction, secondary joint pouring for fabricated wet process connection is avoided, and the use of bolts and welding joints for dry-type joint connection is avoided. During construction, a traditional method is changed, the beams and columns are spliced through the reserved tenons and chase mortises of the beams and the columns, and the structure is assembled and formed at a time by pouring fine stone concrete into small holes and other processes. The mechanical properties of the joints is ensured, at the same time, the environmental pollution caused by the secondary pouring is avoided, the construction efficiency is improved, and the mortise-tenon connection structure of the fabricated beam-column joints is quite suitable for the development prospects of the fabricated type.

The invention provides a method for detecting organic components of soil by utilizing a near infrared spectrum. The method comprises the following steps: (1) detecting organic matter chemical compositions of a plurality of calibrated soil samples; (2) acquiring diffuse reflection spectrograms of near infrared wavebands of the calibrated soil samples to obtain original spectrograms; (3) carrying out smooth pre-processing on the original spectrograms to obtain processed spectrograms; (4) establishing a quantitative relationship model between the processed spectrograms of the calibrated soil samples and the organic matter chemical compositions by adopting a vector machine method; and (5) acquiring diffuse reflection spectrograms of near infrared wavebands of soil samples to be detected, and detecting the organic matter chemical compositions of the soil samples to be detected according to the quantitative relationship model. The method provided by the invention can be used for rapidly and accurately detecting the organic matter chemical compositions of the soil to be detected by utilizing the near infrared spectrum.

The invention provides a method for detecting the chemical composition of soil organic matter with mid-infrared spectra.The method includes the following steps that 1, the chemical composition of organic matter in a plurality of calibrated soil samples is measured; 2, diffuse reflection spectra of mid-infrared wavebands of the calibrated soil samples are collected, and original spectra are obtained; 3, the original spectra are subjected to smoothing preprocessing, and processed spectra are obtained; 4, a quantitative relationship model between spectral information and the chemical composition in the organic matter of processed spectra of the calibrated soil samples is established with a support vector machine; 5, diffuse reflection spectra of the mid-infrared wavebands of soil samples to be measured are collected, and the chemical composition of organic matter in the soil samples to be measured is calculated according to the quantitative relationship model.By means of the method, the chemical composition of soil organic matter can be predicated rapidly and accurately with a low cost.

The invention provides a method for countersigning by using an intelligent terminal. The method comprises the following steps of: receiving a signature of a countersigner; adding the signature into a file to be countersigned; and making a digital watermark, adding the digital watermark into the file by using a preset algorithm, and sending the file to a countersignature receiving party. The invention also provides the intelligent terminal and a digital watermark receiving end. The countersignature is high in confidentiality, perfect in portability and strong in universality.

The invention discloses a wireless diversity receiving method. A receiving end uses two or more antennas to simultaneously receive signals of different paths. The signals of all the paths are respectively amplified by a low-noise amplifier, input to a frequency mixer, converted into intermediate-frequency signals through the frequency mixer and input to an intermediate-frequency amplifier, and the intermediate-frequency amplifier amplifies the intermediate-frequency signals and outputs the intermediate-frequency signals through two paths; one path of signals is input to a demodulator, data demodulated by the demodulator is packed and sent to a MCU selector; the other path of signals is input to an ADC to be converted into RSSI parameters; and RSSI data output through a plurality of paths is sent to a MCU comparator, the MCU comparator determines a path of signals with the best RSSI parameters through comparison, and the MCU selector selects packed data of the path of signals with the best RSSI parameters as signal output. The effect of signal fading is mitigated, the quality of signal transmission is improved, and the undesirable phenomena such as off-and-on voice and video and data packet loss in wireless communication are overcome.