59results about How to "Achieve lossless" patented technology

The invention discloses a semi-rigid base pavement damage detection and polymer grouting fast maintenance technology, which utilizes a falling weight deflectometer (FWD) and a ground penetrating radar (GPR) to detect and evaluate the performance of the pavement, identify the pavement damage and realize the lossless and fast detection of the semi-rigid base pavement damage. A grouting hole is perforated on the section that needs damage treatment and polymeric materials are injected into the hole to repair the pavement. The maintenance technology has the advantages of speedy construction, good durability, strong pertinence and excellent waterproof performance of the injected polymeric materials, which not only saves a large amount of funds and construction periods and avoids the adverse social effects caused by long affected traffic, but also is beneficial to environmental protection and resources-saving . The semi-rigid base pavement damage detection and polymer grouting fast maintenance technology of the invention integrates damage lossless detection technology such as the FWD and the GPR, etc. with the polymer grouting fast maintenance technology, thus providing a whole set of advanced, efficient, economical and practical technology for detecting and maintaining the semi-rigid base pavement damage.

Disclosed is a three-dimensional lossless marking method and device based on micro-nano laser shock wave, relating to the mechanical manufacturing and laser component field. The laser shock wave is taken as the force source that makes the plastic deformation of material; the required mark is formed based on the micro-nano laser shocked light spot and by multiple shock along the track controlled by computer programme, and has the functions of mark information acquisition and recognition conversion. The invention uses the laser shock track that can be controlled by programming and the control of laser parameter of the micro-nano laser light spot shock to realize the three-dimensional high anti-falsification and the lossless property of the laser shock wave marking.

The invention discloses a device and a method for restraining a self-absorption effect of a laser induced breakdown spectrometry by utilizing microwave-assisted stimulation. The device comprises a pulse laser, a convergent lens, a spectrograph, a photoelectric detector, a computer, a three-dimensional displacement platform, a microwave probe and a microwave generator. The invention utilizes the excellent penetrability of the microwave-assisted stimulation to simultaneously stimulate the base particles of almost all the elements in plasma, avoid the self-absorption for central similar emission spectra, restrain and eliminate the self-absorption effect of the plasma from the source, so as to promote the accuracy and precision of laser induced breakdown spectrometry quantitative analysis. According to the invention, microwave is adopted for assisting the laser induced breakdown spectrometry, the microwave energy is radiated to laser plasma through a probe near field, no sealing chamber is required, a sample loading process is simple and the advantages of quick, in situ, real-time, multi-element and remote analysis of the laser induced breakdown spectrometry under atmospheric environment are remained.

The invention relates to the technical field of coiled tubing testing, and discloses a coiled tubing ovality testing method. Lift-off heights of eight points of the same circumference of a certain position of coiled tubing are detected by means of the adoption of a displacement sensor, and then ovality of the coiled tubing on the position is calculated. Compared with a magnetic flux leakage testing method and an ultrasonic testing method, the coiled tubing ovality testing method can achieve undamaged, contactless and continuous measurement, cannot be subjected to influences of non-electrical-conductivity sundries of the surface of the coiled tubing, and is suitable for coiled tubing in various specifications or straight pipes and bent pipes made of other materials.

The invention discloses an intelligentize myopia detection and intervention treatment integration platform characterized by comprising a liftable trolley, an optical flat, a one-dimensional electric control translation bench, a face holder, a projector, a fluorescent lamp, an interactive keyboard, a lower computer and a host computer; the intelligentize myopia detection and intervention treatment integration platform can improve the disadvantages of existing myopia inspection schemes, and can improve myopia inspection automation, intellectualizing and networking level; in addition, a scientific myopia recovery training scheme is combined so as to help teenagers to improve myopia conditions through a lossless method.

The invention discloses an optical fiber sensor combination for monitoring the corrosion of reinforced concrete. The optical fiber sensor combination comprises an optical fiber sensor and a compensation sensor, wherein the optical fiber sensor and the compensation sensor comprise reinforcing steel bar elements, reinforced fiber glass reinforced plastic support bases, optical fiber Bragg gratings and connecting optical fibers, protective sleeves, silicon sheets, reinforcing steel bar coating regions, reinforcing steel bar un-coating regions, and mortar housings, wherein the reinforcing steel bar elements of the optical fiber sensors are reinforcing steel bars to be tested, and the reinforcing steel bars of the compensation sensor are 316L stainless steel bars. According to the optical fiber sensor combination, a reaction force of mortar is counteracted to a certain extent, the local corrosion of the reinforcing steel bars is favorably monitored, and the sensitivity of monitoring is improved. The compensation sensor is made by adopting a manner of replacing common reinforcing steel bars by 316L stainless steel, and is simple in principle and convenient to operate. The optical fiber sensor combination is simple in structure, convenient to manufacture, low in cost, good in sensitivity, high in accuracy, strong in anti-electromagnetic interference, high in reliability, good in durability, and high in stability, and is suitable for monitoring the long-term durability of reinforcing steel concrete structures such as saline and alkaline land, seawater and deicing salt under multiple environments.

The invention relates to an acoustic detection method of structural mechanical parameters of a multilayer composite material. The method comprises respectively establishing relationships between the elastic and shear moduli, and the geometrical dimension, the mass and the resonant frequency of a multilayer composite material structure by empirical formulas, then carrying out stimulation at one end, acquiring time domain vibration signals at the other end so that ff and ft are obtained, utilizing ff, ft the geometrical dimension and mass of the multilayer composite material structure as empirical formula inputs and carrying out calculation to obtain a dynamic Young modulus E and a dynamic shear modulus G. The method solves the problem that the classical impulse excitation-based mechanical parameter detection standard method needs preparation of a rectangular cross-section sample, overcomes the damage of the mechanical structure in the traditional mechanical parameter detection process, simplifies the detection processes, greatly shortens the detection time and is suitable for practical application conditions of the multi-layer composite material structure. Through recognition of bending resonance frequency and shear resonance frequency of the multilayer composite material plate, high efficiency, accurate and non-destructive detection of dynamic mechanical parameters of the multilayer composite material plate is realized.

The invention discloses a hydrogen filling system which comprises a pressurizing device, a circulating device, a refrigerating device, a filling device and a measuring and controlling device, whereinthe refrigerating device is used for providing cooling quantity for cooling of a vehicle-mounted hydrogen storage container; the circulating device is used for providing circulating power for hydrogenfor precooling the vehicle-mounted hydrogen storage container; the pressurizing device is used for pressurizing hydrogen filled in the vehicle-mounted hydrogen storage container; the filling device is used for filling hydrogen in the vehicle-mounted hydrogen storage container; and the pressurizing device, the circulating device, the refrigerating device and the filling device are connected with the measuring and controlling device separately. According to the hydrogen filling system, the refrigerating device is arranged to cool hydrogen, so that the temperature of the vehicle-mounted hydrogenstorage container is reduced; and through arranging the circulating device, hydrogen participating in precooling is cooled through the refrigerating device and is then pressurized in the vehicle-mounted hydrogen storage container, so that the hydrogen filling system can recycle hydrogen cooled by the vehicle-mounted hydrogen storage container, so that lossless filling process is realized and thecost is reduced.

The invention discloses a wavelet modulation transfer function (MTF) compensation method based on the optimal core shape, and can be applied to a ground processing system for satellite remote sensing images. The method comprises the following steps of: according to priori knowledge of noise of an imaging system, inputting a threshold value, and partially separating input digital image signals and noise in a wavelet domain; inputting parameters a and b for initial core design, performing wavelet domain modulation transfer function compensation (MTFC) processing on the signal part, adding with the noise part, performing wavelet domain normalizatioin processing and outputting process images; continuously regulating the parameters a and b, generating different cores and corresponding different process images, and measuring corresponding just noticeable difference (JND) and MTF through the process images; and recording the parameters a and b which meet the requirement, and using the parameters a and b as the optimal core parameters of the imaging system. The invention can improve the MTF for the imaging system with low ontrack dynamic MTF, improve the quality grade of the images, and improve system performance.

The invention relates to a crop water condition monitoring method for a precise irrigation system, and particularly relates to a method for nondestructive real-time continuous monitoring of greenhousecrop plant water condition. The method achieves an objective that the method is simple, feasible, non-destructive to plants, and capable of continuous monitoring and automatically recording and accurately obtaining information of water in crops. To study influences of continuously changing environment factors on crop water condition and growth, it is essential to provide a matching technique of real-time crop water monitoring and diagnosis for an automatic control system for precise irrigation. The system mainly includes a stem diameter change sensor, a quadded cable, a data collector, a laptop, and the like. The core technique includes crop water monitoring indexes and quantitative thresholds thereof, suitable crop water monitoring time, a sensor deployment method (the number of sensorsand installation nodes), a monitoring data standardization processing technology, an analysis software system, and the like.

The invention discloses a floor slab damage avoiding type double-beam self-resetting anti-seismic steel framework which comprises at least one structural unit. Each structural unit comprises two framework columns, an upper I-shaped steel beam and a lower I-shaped steel beam, wherein the upper I-shaped steel beam and the lower I-shaped steel beam are in vertically adjacent arrangement, two ends ofthe upper I-shaped steel beam are connected with the framework columns through upper flange steel plates, two ends of the lower I-shaped steel beam are connected with the framework columns through lower flange steel plates, a gap is reserved between the upper I-shaped steel beam and the lower I-shaped steel beam, two ends of the upper I-shaped steel beam and the lower I-shaped steel beam are connected into a whole through end limiting devices, pre-tensioning rods are anchored between the end limiting devices at two ends, shear connectors are arranged on webs of the upper I-shaped steel beam and the lower I-shaped steel beam, and ends of the shear connectors are welded to the framework columns. The floor slab damage avoiding type double-beam self-resetting anti-seismic steel framework has advantages that self resetting of steel structures in small earthquakes and intermediate earthquakes can be realized, structural damages in severe earthquakes are avoided, floor slab pull cracks are avoided due to a self-resetting mechanism, and accordingly post-earthquake economic loss is effectively reduced.

The invention discloses an internal stress measurement system and method for material based on photothermal radiation measurement. The measurement system comprises an optical fiber, a manual drawing machine, a detecting sample, a small off-axis parabolic mirror frame, a small off-axis parabolic mirror, a collimator, a focusing mirror, a first polaroid, a large off-axis parabolic mirror, a large off-axis parabolic mirror frame, a filter, a second polaroid, an infrared detector, a first BNC data line, a computer, a NI data line, a lock-in amplifier, a second BNC data line, a laser power source, a laser power line, and a laser. The system and method measure the internal stress of the material by using the contact between the internal stress of the material and the existence of a thermal wave signal under the action of an external modulated thermal load, and is suitable for the internal stress testing of the material (metal material, composite material, inorganic non-metallic material and synthetic material).

The embodiment of the invention relates to the technical field of wireless communication, in particular to a method, system and device for transmitting user plane data to solve the problems that in the prior art, when an RN replaces a DeNB, the RN cannot continue to provide a normal service for UE lingered in an RN Cell. The method comprises the steps that a source base station determines down-link data forwarding tunnels distributed to ERABs of the RN respectively through a target base station in the process of switchover of the RN; the source base station forwards down-link user plane data of the ERABs of the UE through the down-link data forwarding tunnels, wherein the UE is UE having access to the RN Cell. According to the embodiment of the invention, data can be lossless when the RN is switched over to a target DeNB from a source DeNB, and the RN can continuously provide the service for the UE in the RN Cell.

The invention relates to a test device for nondestructive online evaluation of the aging state of a relay. The test device comprises a signal acquisition and processing unit, a control display unit and a power supply module. The signal acquisition and processing unit is used for acquiring an electromagnetic signal generated when the relay acts, processing, operating and analyzing the electromagnetic signal and then outputting an analysis signal containing the evaluated aging state of the relay. The control display unit is used for obtaining and displaying aging state information of the relay according to the analysis signal. The power supply module is used for supplying power to the signal acquisition processing unit and the control display unit. The signal acquisition and processing unitcomprises an electromagnetic signal acquisition module, a signal conditioning module, a signal amplification module, a high-speed AD module and an analysis and operation module which are connected insequence. The analysis operation module comprises a feature extraction sub-module and a classifier sub-module. The control display unit comprises a control module and a display module. The device canrealize lossless and online evaluation of the aging state of the in-service relay, and has remarkable economic benefits and practical values.

The invention discloses a stepping screw motor defect diagnosis device based on audio analysis and a defect recognition method. The diagnosis device comprises a test fixture used for installing a stepping screw motor to be tested, a driving plate used for driving the stepping screw motor to operate, an audio collection mechanism located beside the stepping screw motor, a computer and a sound insulation box. The defect recognition method comprises the following steps: processing a received audio signal based on a computer to obtain a one-third frequency multiplication decibel spectrum and a Melspectrum, and identifying whether the stepping screw motor has a defect or not and identifying the defect type according to a set standard. According to the stepping screw motor defect diagnosis device based on audio analysis and the defect recognition method provided by the invention, high-speed nondestructive detection of defects (noise, overlarge sound, abnormal sound and the like) in variousaspects of the stepping screw motor can be realized at the same time, the detection precision is high, and the efficiency is high.

The super-resolution imaging system based on the micro-bottle lens comprises a micro-bottle lens module, a position control module and an optical microscope, the micro-bottle lens module comprises the micro-bottle lens, and the position control module can control the micro-bottle lens to rotate. A to-be-imaged sub-diffraction limit scale sample is mounted on an objective table of the optical microscope, the micro-bottle lens is arranged above the sample, and super-resolution imaging can be performed on the to-be-imaged sub-diffraction limit scale sample by utilizing the micro-bottle lens and the optical microscope. According to the super-resolution imaging system provided by the invention, non-contact, lossless and pollution-free imaging of a sample lower than a diffraction limit scale can be realized by utilizing the dielectric micro-bottle lens and combining a conventional optical microscope. In addition, the invention also provides a super-resolution imaging method based on the micro-bottle lens.

The invention discloses a non-damage information deletion method and a system, wherein the non-damage information deletion method includes the steps: S202, a sender delivers control packets to a receiver, wherein the control packets contain the member status information; S204, the receiver processes according to the control packets, fixes the member status information in the reserved field of the control packets and adds the member status additional information, and then returns the control packets back to the sender; and S206, the sender acquires the member status information and the member status additional information from the control packets and implements the corresponding processes. The invention can realize the termination deletion with no service damage and no deadlock, and is compatible with the current standard, thereby resolving the long-term problem of LCAS protocol in the termination deletion.

The invention discloses a stable measurement method for a heat conduction coefficient of a non-embedded multilayer composite material. The method comprises the following steps that the multilayer composite material comprises g composite material layers, a to-be-identified material layer m is clamped in the composite material layers, a heat conduction coefficient of the to-be-identified material layer m is divided into n segments, each segment of heat conduction coefficient serves as a linear function of the temperature, 2n groups of material heat insulation performance test are carried out on the multilayer composite material, a boundary condition of material heat insulation performance test includes a constant temperature boundary of the front side of the multiplayer composite material and a constant heat flow boundary of the back side of the multilayer composite material, after that the multilayer composite material is thermally stabled, the temperature value of the back side of the multilayer composite material is measured and recorded, a one-dimensional model is generated and separated into two one-dimensional models by the to-be-identified material layer, the two one-dimensional models generate corresponding temperature fields based on the boundary condition, and each segment of the heat conduction coefficient of the to-be-identified material layer is generated based on the temperature field to obtain a heat conduction coefficient measuring value of the to-be-identified material layer.

The invention provides a crude oil flowability detection method and device. The method includes: building a crude oil apparent viscosity database according to the corresponding relation between the apparent viscosity of various liquid-state crude oil and crude oil temperature and the corresponding relation between the proton spin relaxation signal quantity of various crude oil and crude oil temperature, wherein the apparent viscosity database is used for storing the corresponding relation between the apparent viscosity of various crude oil and the proton spin relaxation signal quantity; detecting the proton spin relaxation signal quantity of target crude oil under different temperature conditions , wherein the target crude oil is in a liquid state, a solid state or a colloidal state; determining the apparent viscosity of the target crude oil under different temperature conditions in the crude oil apparent viscosity database according to the proton spin relaxation signal quantity of thetarget crude oil under different temperature conditions. By the method, crude oil flowability detection convenience and accuracy can be increased effectively, and lossless qualitative/quantitative analysis of crude oil flowability is achieved.

Certain aspects relate to systems and techniques for compressing image data using mixed mode compression schemes. A mixed mode compression scheme can reduce the amount of data stored in a frame buffer to reduce power costs of an image display system. In some implementations, mixed mode compression can be suitable for compression of pixel blocks having one or two color channels exhibiting a relatively low variation in pixel intensity with the remaining channel or channels exhibiting a relatively high variation. The pixel values in each color channel of an RGB or YCoCg image can be analyzed to determine how many channels are a smooth component and how many channels are a variant component, and mixed mode compression can be selected and implemented based on the color channel analysis to adaptively and individually compress the color channels.

The invention belongs to the field of road engineering and discloses a rutting plate forming device with a shear resistance testing function. The device comprises a rolling and loading component, a forming and heating component, a supporting and demolding component, a movable driving component, a driving supporting motor, a shearing component and a control component. According to the device, single-layer and double-layer rutting plate forming and shear resistance tests are realized, the internal temperature and the interlayer stress state of the asphalt pavement under actual working conditionsare simulated, the problems that an asphalt mixture rutting plate test piece is complex in forming and inconvenient to demold, stress and temperature of the test piece are inconsistent with reality and the like are solved, the forming efficiency of the test piece is improved, the test error of a traditional shear test is reduced, and the development prospect is wide.

The invention provides an integrated optical fiber tab, a preparation method and application, and belongs to the field of batteries. The integrated optical fiber tab comprises tab glue, a metal coating and an optical fiber body, the optical fiber body is provided with a conductive section in the length direction, a sealing area is arranged in the conductive section, the metal coating is arranged on the conductive section of the optical fiber body, the length of the conductive section on the optical fiber body continues from a position where the optical fiber penetrates out of the battery and is connected with an external circuit to a position where the interior of the battery is welded with an electrode current collector, the metal coating is continuous and complete, the upper side face and the lower side face of the optical fiber body in the sealing area are each provided with a layer of tab glue in an attached mode, and the two layers of tab glue are oppositely attached to completely wrap the optical fiber body. The invention also provides a preparation method and application of the integrated optical fiber tab. The integrated optical fiber tab disclosed by the invention is integrated in the battery and can be used for monitoring the internal state of the battery, so that the defects that the internal monitoring of the battery is difficult and the lossless, safe and real-time monitoring cannot be carried out in the prior art can be overcome.

The invention discloses a method and a system for non-destructively switching simulation business of a PTN bearing circuit. The method comprises the following steps: receiving TDM data sent by the first user equipment by the first equipment; packaging the TDM data into two sets of grouped data; and adopting the preset double-channel for respectively receiving the two sets of grouped data and transmitting to the second equipment through two parallel links of PTN. The two sets of grouped data are synchronously sent to the second equipment by the two parallel links, so that the packet of circuitsimulation is not lost when one link is in fault, the TDM is non-destructive in the transmission process and the reliability of the PTN network bearing TDM business is promoted.

The invention relates to a high-resolution-image processing method which includes the following steps: 1). image data is acquired; 2). preprocessing is performed on received filtered image data by a preprocessing unit; 3) the preprocessing unit sends the converted image data to a main processor for coding processing; 4). the image data is output according to monitoring instruction of a ground monitoring station, if the monitoring instruction is sending, the main processor sends the coded image data to an aerial carrier through an HDLC channel and the aerial carrier transmits the image data to the ground monitoring station through a wireless channel; and if the monitoring instruction is saving, the main processor saves the coded image data into a large-capacity storage device. The high-resolution-image processing method solves a technical problem that prior digital aerial photographic cameras are large in data quantity so that storage is hard and transmission is inconvenient and has the characteristics of being low in code stream, great in instantaneity, high in fault-tolerant capability, supportive of lossy and lossless compression, and low in cost and great in universality at the same time.