45results about How to "Meet a variety of application needs" patented technology

The invention discloses a multimode radio frequency signal generator, comprising a personal computer as well as a baseband I, a Q signal generator, a multi-carrier digital up-converter subsystem, a D/A converter, a clock subsystem and a microchip control subsystem that are respectively connected with the multimode radio frequency signal generator; wherein, the baseband I and the Q signal generator are connected with the multi-carrier digital up-converter subsystem, the D/A converter and a radio frequency subsystem in sequence; the clock subsystem is simultaneously connected with the baseband I, the Q signal generator, the multi-carrier digital up-converter subsystem, the D/A converter, the radio frequency subsystem and the microchip control subsystem; the microchip control subsystem is connected with the baseband I, the Q signal generator, the multi-carrier digital up-converter subsystem, the D/A converter and the radio frequency subsystem at the same time; the radio frequency subsystem is provided with a multimode multi-carrier radio frequency signal output end. The multimode radio frequency signal generator has the advantages of excellent performance, good feasibility, strong system flexibility and expandability as well as easy realization of system miniaturization and low power consumption.

The invention provides a calcium phosphate/collagen/bone-like apatite three-level bionic bone tissue engineering scaffold and a preparation method thereof. The material of the scaffold possesses components similar to natural bone tissues, and an inorganic/organic/inorganic three-level bionic bone-like netted three-dimensional structure. The preparation method comprises: customizing a calcium phosphate ceramic which possesses a bionic porous structure similar to the natural bone micropore structure, filling collagen prepared by simulated body fluid (SBF) into the porous calcium phosphate ceramic base, low-temperature aging to simulate a biomineralization process, in-situ nucleating on the collagen organic macro-molecule matrix, and self-assembly crystallizing to form a third level bone-like apatite layer structure. The composite scaffold material has bionic material components and bionic microstructure both similar to the natural bone tissues, the mechanical properties and the biological activity of the material are substantially improved, and the composite scaffold material has a wide application prospect.

The invention provides a single frequency visible laser. The laser comprises a pump device, a self-frequency doubling crystal, a crystal temperature control device and magnetic field devices arranged above, at the sides of or around a crystal, wherein the pump light of the pump device is output towards the input end face of the self-frequency doubling crystal; the pump light enters into the input end face of the self-frequency doubling crystal and is effectively coupled into the crystal and is absorbed; the self-frequency doubling crystal is manufactured into single nonplanar ring cavity shape; the cutting direction of the crystal is as follows: the frequency doubling direction is DA direction, AB direction, BC direction or CD direction; the pump end face and the output end face of the self-frequency doubling crystal are coated with films in order to realize single frequency doubled light output wavelength; the films are highly transmitted by pump light, highly reflect fundamental frequency polarized light and are highly transmitted by frequency doubled light; or the pump end face and the output end face of the self-frequency doubling crystal are coated with films in order to realize simultaneous output of double wavelengths of the fundamental frequency light and the frequency doubled light, and the films are highly transmitted by pump light, reflect part of fundamental frequency polarized light and are highly transmitted by frequency doubled light. The laser has compact structure, high stability and tunable wavelength.

The invention relates to a prepreg compound and a method for preparing a honeycomb core through the prepreg compound. The prepreg compound is prepared from a benzoxazine resin system and glass cloth through a melting method, wherein the benzoxazine resin system comprises benzoxazine, a release agent, an optional filler and an optional curing agent. When the honeycomb core is prepared through the prepreg compound provided by the invention, the method comprises the steps of pressing the prepreg compound into repetitive semi-regular hexagon ripple structure honeycomb panels, which are connected at interval, by adopting compression molding, and then curing every two repetitive semi-regular hexagon ripple structure honeycomb panels which are connected at interval and are opposite in a concave-convex way to form a preformed honeycomb core with two coincided and cohesive sides; further curing the preformed honeycomb core to obtain the honeycomb core. The method provided by the invention has the advantages of simple forming, low cost, and easiness for large-scale production, and the prepared honeycomb core has favorable flame retardant property and favorable mechanical property.

The invention discloses a preparation method of water soluble microspheres. Oil solubility nano-particles are dissolved into an organic solvent to obtain an oil phase, water-soluble hydrosulphonyl containing or disulfide bond biomacromolecules are dissolved into water to obtain a water phase; the oil phase and the water phase are premixed, and a crude emulsion is obtained; the crude emulsion is subjected to the cavatition through the physical stimulation means, biomacromolecule is subjected to a crosslinking reaction, and the biological macromolecule shells wrap the surfaces of the nano-particles. The preparation method is simple and mild in reaction conditions, the obtained microspheres have the good water solubility, the grain size is controllable, the grain size is uniform, the stability is good, the non-specific adsorption is low, the biological compatibility is good, the coupling marking is easy, and the method can be widely used for the fields of bioanalysis, environment analysis, food safety testing, sample separation and purification, medical examination, imaging, biological medicine research and the like.

The invention provides a touch point positioning method of a capacitive touch screen. The touch point positioning method comprises the following steps: detecting capacitance values of all capacitancenodes; calculating capacitance value variation of all the capacitance nodes, and determining a touch area; selecting a peak capacitance node with the maximum capacitance variation in the touch area and a capacitance node group adjacent to the peak capacitance node; and calculating the coordinates of the touch point according to the capacitance value variation and the coordinates of the capacitancenode group or the capacitance value variation and the coordinates of the peak capacitance node and the capacitance node group. The invention further provides a touch point positioning device of the capacitive touch screen. According to the touch point positioning method and device of the capacitive touch screen, the coordinates of the touch point are obtained through calculation by means of the capacitance value variation and the coordinates of the selected capacitance nodes, the touch position can be calculated more accurately and efficiently, and meanwhile various application requirements are met.

The invention provides a data transmission node for a self-configured universal towed linear array, which comprises a main processor (101), a CPLD (complex programmable logic device) logic circuit (102), a transceiver circuit (103), a channel equalization circuit (104), a transformer (105), a clock signal source (107) and an interface circuit (109) for a data acquisition module. After a system ispowered up, the data transmission node can automatically complete the ad-hoc networking and configuration and locate failures in failed nodes by a self-checking functional block; additionally, the data transmission node serves the functions of I/O (input/output) controlling and resetting as well; and the invention can achieve the real-time data transmission of a great number of channels by cascading multiple nodes. The invention has the advantages that the size is small, so that application of thin-net and thick-net cables can be supported at the same time with the maximum data transmission rate reaching 150Mbps, and the requirements for the application of most towed linear arrays and towed float cables for seismic exploration can be satisfied owing to the universality thereof.

The invention discloses an on-demand password service method, apparatus and device used for analyzing password service demand, performing on-demand configuration and reconstruction on password computing resources and performing on-demand scheduling of password working. The method comprises the following steps: a password service demand analysis method, namely, receiving the password service demand, when it is judged that the existing password computing resource satisfies the password service demand, generating a password work scheduling strategy; when it is judged that the existing password computing resource cannot satisfy the password service demand, generating a password computing resource configuration demand; generating a new password work scheduling strategy according to the received new password computing resource attribute; and the method further comprises: a password service configuration and management step, a password computing resource flexible reconstruction step, a password work management step and a password computing resource operation state management step. By adoption of the on-demand password service method, apparatus and device, dynamic configuration, management and scheduling of the password computing resources can be performed according to the demand, and higher than millions and millions of levels of online and random crossing demands of all kinds of service systems are satisfied.

The invention discloses an XDP and DCI hybrid debugging interface hardware topology structure in an 8 way server. The structure comprises two calculating boards Node0 and Node1, a backplane, an XDP connector interface for SDP debugging, PCH which is arranged on the calculating boards and used for DCI debugging, channel switch modules arranged on the calculating boards respectively and a CPLD module performing logic control on the channel switch modules; the calculating boards Node0 and Node1 perform signal interconnection through the backplane, four processors CPU0, CPU1, CPU2 and CPU3 are configured respectively, the XDP connector interface and the PCH are connected with output ends of the channel switch modules respectively, and input ends of the channel switch module are connected withthe CPLD module. By means of bottom layer hardware logic control, mixed use of the two debugging interfaces XDP and DCI is achieved, multiple application requirements are met, and the structure has the advantages of being simple and reliable.

The invention discloses an on-demand on-line business service method, device and equipment which are used for analyzing the business service capacity demand, configuring and reconstructing service resources according to the demand and scheduling business operations according to the demand. The method comprises the steps of business service demand analyzing, wherein the business service capacity demand is received, a business operation scheduling strategy is generated when it is judged that existing service resources meet the business service capacity demand, the service resource configuration demand is generated when it is judged that the existing service resources do not meet the business service capacity demand, and a new business operation scheduling strategy is generated according to the attribute of accepted new service resources; business service configuration management; flexible service resource configuration, business operation management; and service resource operating state management. According to the on-demand on-line business service method, device and equipment, on-demand on-line business serving is achieved, multiple application demands of users are met better, and the above ten billion-scale on-line concurrent random cross-over demand of various business system is met.

The invention is applicable to the technical field of intelligent electricity utilization, and provides a code sweeping electricity utilization method and a terminal equipment. The methods include: agricultural charge-discharging accounts check whether the agricultural charge-discharging control meter is in use through the electricity consumption information acquisition system. if the agriculturalcharge-discharging control meter is not in use, the preset electricity consumption amount is sent to the agricultural charge-discharging control meter from the fund account through the electricity consumption information acquisition system, so that the agricultural charge-discharging control meter controls the mechanical well to be switched on after successfully receiving the preset electricity consumption amount and starts to use electricity; the power consumption information acquisition system sends a power consumption end instruction to the agricultural charge-discharging control meter sothat the agricultural charge discharge control meter can be switched off according to the power consumption end instruction to stop power consumption, and the power consumption settlement is carried out, and the power consumption settlement result returned by the power consumption information acquisition system is received, but also meets the requirement of code sweeping power consumption of people, can be flexibly applied to various application scenes such as rural discharge power consumption, temporary power consumption, public rental house power consumption and the like, and meets various application requirements.

The invention relates to a parametric universal FIFO control method. The method includes the steps; 1, static input parameters are input to a universal FIFO control circuit; 2, internal variables required to implement the FIFO control circuit are obtained according to the static input parameters; 3, the required universal FIFO control circuit is achieved according to the internal variables generated in the step 2 and required by the FIFO control circuit. The preset parameter precompiling means has the advantages that the means can be reused in all designs requiring FIFO, and multiple designing is avoided; 'section Gray encoding' is utilized, namely a fixed incremental value is centrally added to read and write addresses, and accordingly the maximum and minimum binary Gray code converted from the incremental value is provided with different numerical sections under only one bit; Gray code transform is applied to the code, so that the depth can be any even.

The invention relates to a gradient coil design method for a biomedical imaging system and a gradient coil. The gradient coil design method for the biomedical imaging system comprises the following steps that a, a non-developable curved surface serves as a gradient coil bearing surface of a gradient coil, and the gradient coil design method comprises the following steps that a, dividing and dispersing the non-developable gradient coil bearing surface; b, distributing at least two wires which are connected with each other on the bearing surface of the non-developable gradient coil after subdivision and dispersion; c, driving the wire by adopting a driving circuit, determining the spatial position of the wire, and obtaining the configuration of the wire in a three-dimensional space; and d, processing a gradient coil according to the configuration of the wire. According to the invention, the gradient coil bearing surface is expanded from an expandable surface (a cylinder or an elliptic cylinder) to an unexpandable curved surface, various application requirements of a magnetic biological imaging system are met, and the imaging quality is improved.

The invention provides a battery life prediction method, device and equipment, and the method comprises the steps: obtaining a to-be-processed battery, determining an evaluation condition corresponding to the to-be-processed battery, carrying out the charge-discharge cycle test of the to-be-processed battery according to the evaluation condition, and obtaining the attenuation rate of the battery, thereby achieving the prediction of the life of the battery. And determining the service life of the to-be-processed battery based on the relation curve of the cycle index and the attenuation rate, thereby solving the problems of relatively long test period and relatively low efficiency of the existing battery service life prediction, and being suitable for engineering application. Moreover, according to the embodiment of the invention, the battery life under different attenuation rates can be predicted based on the relation curve of the cycle index and the attenuation rate, so that the battery life prediction is more comprehensive. In addition, according to the embodiment of the invention, the service life of the battery under different evaluation conditions can be predicted, and various application requirements are met.

The invention provides a driving data monitoring system. The system comprises a signal acquisition module used for acquiring a plurality of DBC files, extracting a plurality of signal data items respectively corresponding to a plurality of signal types in the plurality of DBC files, and generating a signal database based on the plurality of signal data items; a signal configuration module which is used for receiving a signal configuration instruction, the signal configuration instruction comprises a target signal type, a signal data item corresponding to the target signal type is extracted from the signal database according to the signal configuration instruction, and a signal configuration file is generated; a file sending module which is used for sending the signal configuration file to the vehicle; and a signal receiving module which is used for receiving a signal from the vehicle. According to the embodiment of the invention, the signal data needing to be monitored can be received according to the monitoring requirement, the signal type can be flexibly configured, and various application requirements of a user can be met.

The embodiment of the invention discloses a six-finger manipulator capable of changing grabbing modes based on monocular vision. The six-finger manipulator comprises mechanical fingers, a mechanical palm and a mechanical wrist. Each mechanical finger is provided with a finger steering engine used for driving the finger to conduct grabbing. Six palm steering engines are arranged on the mechanical palm, and the six mechanical fingers can be controlled to rapidly switch a proper grabbing mode according to the target shape obtained by the monocular camera; the mechanical wrist has three degrees of freedom, and rotation of the mechanical wrist around the x axis, the y axis and the z axis can be achieved. According to the embodiment of the invention, the monocular camera is arranged, so that the pose measurement can be carried out before the target is grabbed, the grabbing precision is improved, and the method can be applied to occasions with relatively high grabbing precision requirements; and moreover, appropriate grabbing modes can be rapidly switched according to different target shapes, the six-finger manipulator has multiple combined grabbing modes, switching is rapid, the working efficiency is high, and the application range is wide.

The present invention provides an equal time delay signal conversion method and device which can realize the continuous measurement of the duration time of a high level or a low level of an electronic signal and the time interval of the rising edge-to-rising edge or falling edge-to-falling edge, also provides a method and device applying to the flight time measurement, the laser ranging and the like, and also provides some methods and devices applying to the serial data reception, thereby reducing the sensitivity to the clock frequency, the distortion, the jitter and the like, and enabling a serial data reception device to be more reliable and to be easy to realize.