65results about How to "Avoid overlapping problems" patented technology

The invention discloses an improved bridge damage identification method based on a neural network. The improved bridge damage identification method comprises the steps of: S1, constructing sample data; S2, determining a network topology; S3, training and testing; S4, identifying damages, including inputting real-time strain data of the bridge into a trained BP neural network, and thereby identifying the damages of the bridge; the real-time strain data of the bridge is obtained by an optimally distributed sensor, the number of minimum unidentifiable models Ymin is adopted as a target function, and the distribution position of the sensor corresponding to the Ymin is the optimal sensor distribution. According to the improved bridge damage identification method based on the neural network, various possible damages of the structure can be maximally distinguished by using the fewest sensors, and meanwhile the identification result can have high accuracy and tend to be stable.

The embodiment of the invention discloses user special-purpose demodulation reference signal (DM-RS) transmission and data demodulation methods and devices and relates to the field of radio communication so as to improve a resource utilization rate. In the methods and devices, DM-RSs are transmitted on REs on one or two OFDM signs different with an OFDM sign, on which synchronous signal transmission is carried out, in first N OFDM signs of a subframe so that a problem of overlapping of DM-RS mapping resources and synchronous-signal mapping resources is prevented and thus a problem that in a synchronous-signal transmitting subframe, part of PRBs in a system bandwidth are incapable of transmitting downlink data is prevented. Therefore, the resource utilization rate is improved.

The invention discloses an NGAL time-resolved fluoroimmunoassay nanometer immunochromatographic quantitative detection test paper strip and a preparing method thereof. The test paper strip comprises a backing substrate plate. The backing substrate plate is provided with a nitrocellulose membrane, a sample combining pad and a water absorbing membrane. The sample combining pad and the water absorbing membrane are respectively laminated on two ends of the nitrocellulose membrane. The sample combining pad is covered with an NGAL monoclonal antibody labeled with a time-resolved fluorescent substance. The nitrocellulose membrane is provided with a detection line and a quality control line. The detection line is covered with an NGAL monoclonal antibody of another epitope. The quality control line is covered with goat anti-rat IgG. The test paper strip and the method are characterized by high sensitivity, high specificity, good stability, no radioactive contamination, and the like and can be widely applied to NGAL clinical immunoassay and scientific research.

The embodiment of the invention relates to the technical field of communications, and especially relates to a message regrouping method and equipment used for realizing message regrouping through a simple method. The method of the embodiment of the invention comprises the following steps: receiving TCP (Transfer Control Protocol) messages corresponding to a TCP session to be regrouped, when determining that the transmission of all TCP messages corresponding to the TCP session to be regrouped is finished, regrouping all TCP messages in a normal queue and a disordered queue according to an acknowledgement ACK of each TCP session, and obtaining multiple groups of TCP messages, wherein the ACKs of all TCP messages in each group of TCP messages are the same, and all TCP messages in each group of TCP messages are arranged according to the ascending order of an SEQ (Sequence) of each TCP message. Thus, message regrouping can be realized only through the ACKs and the SEQs of the TCP messages, and the method is simple and efficient.

The invention discloses a testing method of illumination intensity for road illumination, which comprises the following steps of: 1, transversely and longitudinally dividing four lamp posts which are rectangularly arranged at the two sides of the road and used as a reference into M*N rectangular units at equal intervals, respectively; 2, respectively detecting illumination values of central points of each rectangular unit, wherein the illumination of the rectangular units where the four lamp posts are located is expressed by E0, the illumination of other rectangular units on the edge is expressed by E1, and the illumination of the rectangular unit in the middle is expressed by E2; and 3, acquiring average illumination by using a weighing calculation method. In the invention, the detection method has the advantages of scientific distribution points, more correct result and higher testing efficiency.

The invention discloses a surface-enhanced Raman spectroscopy-based photocatalytic in-situ monitoring system. The monitoring system comprises a Raman excitation light source, a laser coupling lens, anarrow band filter, a total reflection mirror, a dichroic mirror, a focus coupling lens, a surface enhanced Raman scattering fiber probe, a liquid phase photocatalytic reactor, a photocatalytic lightsource, a Raman collection lens and a spectrometer, wherein one end of a common detecting portion of the surface-enhanced Raman scattering fiber probe extends to from a first branching portion and a second branching portion; the extending end of the first branching portion is coupled to the focus coupling lens, and the extending end of the second branchingportion is coupled with the photocatalyticlight source; the other end of the common detecting portion is disposed in the liquid phase photocatalytic reactor; and a Raman excitation light and a photocatalytic light are in co-transmission, which greatly reduces the experimental difficulty and can effectively avoid a monitoring error caused by incomplete coincidence of focus points, thereby effectively improving the accuracy of Raman dynamic monitoring. The monitoring system is compact in structure and high in portability.

The invention provides a random access method and device. The method comprises the steps that when the terminal equipment supports positioning, the terminal equipment can adjust the time for sending preambles on RO resources according to the positioning capacity, and when the terminal equipment does not support positioning, the corresponding RO resources can be periodically configured to be large,so that no matter whether the terminal equipment supports positioning, the network equipment can receive the preamble sent on the same RO resource at the same time or in a shorter preamble receivingtime window, and receive the preamble sent on different RO resources at different time or in different smaller time ranges or in different shorter preamble receiving time windows, thereby being beneficial to avoiding the problem of overlapping of random access preamble receiving time windows; the success rate of accessing the terminal equipment to the network equipment is improved while the randomaccess capacity of the whole system is not reduced.

The present invention is a passive triggered tire pressure monitoring system and method, the passive triggered tire pressure monitoring system mainly comprises a main machine, a plurality of triggers and a plurality of tire pressure sensors, the main machine are respectively connected with the plurality of triggers, the plurality of tire pressure sensors are respectively arranged tires of a car, the triggers are respectively arranged on the car body and in one to one corresponding to the tire pressure sensors on the tires, the tire pressure sensors are passively triggered by the corresponding triggers to detect and send tire pressure information to the main machine, since the tire pressure sensor are not always in operation, the power saving object can be achieved, and at the same time the problem that tire pressure sensors may interfere with each other during initiative sending of the information can be solved.

The invention discloses a method for solving a multi-frame overlapping error of unmanned aerial vehicle ground object target identification. The method comprises the following steps: 1, acquiring aerial image data of a ground target; 2, expanding a training data set; 3, preprocessing training data; 4, improving a loss function of the YOLOV3 model and outputting a detection result; 5, training an improved YOLOV3 ground object detection model; and 6, performing online application of a ground feature detection model. In order to avoid the problem of illegal building identification coincidence, a YOLOV3 model loss function and detection result output are improved, so that the model is more suitable for illegal building identification on the ground, the problem of motion blur of images shot by an unmanned aerial vehicle is reduced, the adaptability and robustness of a system are enhanced, and the control precision of the system is improved.

The invention discloses a riveting stake and an automatic drilling riveter; the riveting stake and the automatic drilling riveter aim to solve the problems that the existed riveting stake cannot discharge excessive rivets when the rivets are inserted to the mechanism while two rivets are delivered to a rivet pawl. The riveting stake comprises a rivet pawl, wherein the rivet pawl consists of two pawl fingers pasted together, semicircular groves are arranged on the part of every pawl finger for pasting; the semicircular groves on the pawl finger can commonly be encircled to a rivet slot; one joint of two pasted pawl fingers is provided with a rivet feeding opening; the other joint of two pasted pawl fingers is provided with an extruding notch, and the extruding notch comprises a structure face perpendicular to the other joint, the structure face is tangential to the rivet slot. When the rivet inserting mechanism of the automatic drill riveter has the logic failure, and two rivets are feed to the rivet slot, the rivet delivered later can extrude the previous rivet out of the rivet slot through the extruding notch, so residual rivets are discharged, thereby avoiding the rivet indentation on the riveted product and improving the riveting quality and efficiency.

The invention belongs to the technical field of a scanning detection technology, and discloses a multiple-light source scanning detection method. The surface of a sample bench is distributed in a circle shape; the number of the light sources is two, the two light sources enable linear arrangement, and are superposed with radius of the sample bench; the sample bench rotates by surrounding a center of a circle at a constant angular velocity; when the sample bench rotates by surrounding the center of the circle at the constant angular velocity, the sample bench moves horizontally along the arrangement direction of the light sources at the constant linear velocity. The method increases the scanning efficiency and stability as well as increases the positioning precision.

The invention relates to a note area division method for a reading terminal, a terminal and a computer storage medium, the reading terminal carries an electronic book, and the method comprises the following steps: opening the electronic book; searching an event related to the content of the electronic book; and adjusting the typesetting of the electronic book in response to the event so as to generate a note area. According to the scheme, the note area can be divided and adjusted in advance, overlapping with the original text is avoided, and therefore note writing convenience and reading comfort are achieved.

The embodiment of the invention discloses a bullet screen display method in an application client, the application client and electronic equipment. The method comprises the following steps: polling and detecting the states of at least two bullet screen tracks based on a preset polling period, and determining the state of each bullet screen track; when any bullet screen track is detected to be in an idle state, distributing the bullet screen information to be displayed to the bullet screen track in the idle state; and popping up bullet screen content corresponding to the bullet screen information based on the display position of the video image corresponding to the bullet screen track. According to the embodiment of the invention, the overlapping problem generated between different bullet screen contents is avoided by distributing the bullet screen content corresponding to the bullet screen information to be displayed to the idle bullet screen track; meanwhile, due to the arrangement ofthe bullet screen track, the area position of the bullet screen content displayed on the video image is standardized, the overlapping problem generated between different bullet screen content is further prevented, and therefore the readability of the bullet screen content is improved.

The invention discloses a method and a system for distributing a short message. The method comprises the following steps: a short message transfer server forwards the received short message to the short message distribution control center; the short message distribution control center inquires the business customized by a called subscriber and a prefix code corresponding to the business according to a called number in the short message and then inserts the prefix code in the front of the called number; the message distribution control center sends the short message containing the prefix code to the short message transfer server; and after receiving the short message containing the prefix code, the short message transfer server searches a short message center corresponding to the prefix code and sends the short message to the short message center corresponding to the prefix code. The method and the system have the beneficial effects that by adjusting and improving the existing telecommunication service network, the efficiency for transmitting short message service is greatly improved, and repetition and redundance of the routing direction are reduced, thus meeting the need for rapid development of the short message service.

The invention discloses a high-precision map construction method and device, a storage medium and electronic equipment, and the method comprises the steps: determining a standard depth interval corresponding to each pixel point in a target image according to a reference depth map corresponding to the target image in a binocular image and an identification result of an object type in the target image; wherein the object category comprises a static object and a dynamic object. And according to the standard depth interval corresponding to each pixel point, filtering a depth value obtained by mapping each point cloud point to the target image to obtain a depth map corresponding to a static object in the target image, and constructing a high-precision map according to the depth map. According to the method, the depth value mapped by the dynamic object point cloud point on each pixel point is filtered according to the standard depth interval of each pixel point to obtain the depth value mapped by the static object point cloud point, so that the problem that the dynamic object point cloud point and the static object point cloud point mapped to the same pixel point are overlapped can be avoided; therefore, the accuracy of the depth value in the depth map is improved.

The invention discloses a message display method and device, a terminal and a storage medium, and belongs to the technical field of networks. The method comprises the steps that in the display processof a multimedia playing interface, received messages are stored in a message queue, and the received messages are associated with multimedia resources played in the multimedia playing interface; whenan idle message display track exists on the multimedia playing interface, a target message is selected from the message queue according to the weight of each message in the message queue, the weightof the message is determined according to the attribute of the message, and the message display track is obtained by carrying out regional division on the multimedia playing interface; and the targetmessage is displayed on the idle message display track. When the message display track is idle, the next to-be-displayed message is selected according to the weight of the message, so that the problemof message overlapping can be avoided, and the message display effect is improved.

The invention provides a random access method and device. The random access method comprises the steps that: terminal equipment acquires a position of the terminal equipment and a position of networkequipment; the terminal equipment determines a time adjustment amount according to the position of the terminal equipment and the position of the network equipment; and the terminal equipment sends arandom access preamble according to the time adjustment amount and a random access channel RACH resource configured by the network equipment. Based on the random access method and the device, the terminal equipment supports positioning, the terminal equipment can determine the time adjustment amount according to the position of the terminal equipment and the position of the network equipment, andadjust the time for sending the random access preamble on an RACH resource according to the time adjustment amount, so that the problem of overlapping of receiving time windows of the random access preamble is favorably avoided, and therefore, the success rate of accessing the terminal equipment to the network equipment can be improved while the random access capacity of the whole system is not reduced.

The invention discloses an omni-directional camera device, and relates to the technical field of monitoring equipment. The device comprises a support and a camera, the camera is installed on the support through screws, the camera comprises an outer shell, a PCB control mainboard, a curved surface imaging detector, a fly's-eye lens module, an infrared detector, a bottom cover and a protective cover, and the PCB control mainboard, the curved surface imaging detector, the fly's-eye lens module and the infrared detector are sequentially installed in the outer shell. According to the omni-directional camera device, an emerging compound eye imaging technology, namely a bionic structure similar to insect eyes, is adopted, a plurality of monocular telescopic staring eyesight is organically combined through a compound eye algorithm, a picture which is consistent with monocular imaging experience and has ultrahigh resolution is presented, light is transmitted to a curved surface imaging detector, and the optical signals are converted into digital signals, so that the camera can receive all the optical signals of 360 degrees under the camera, and therefore, all-directional and dead-corner-free monitoring can be realized.