Abstract: Disclosed herein are peptide fragments derived from netrin-1 and compositions thereof and methods of using thereof. In some embodiments, the present invention provides a peptide that is 8-65 amino acid residues long and has a core sequence having Formula I as follows: CX(1-2)CX(3-4)TX(0-1)G, wherein X is any amino acid residue. In some embodiments, the present invention provides a composition comprising one or more peptides of the present invention which have a core sequence according to Formula I, Formula IA, or Formula IB.

Abstract: An electrical connector includes an insulating body having at least one terminal slot, and at least one terminal received in the terminal slot. The terminal slot is provided with a first inner wall and a second inner wall. The terminal has a fixing portion. The fixing portion is sequentially provided with a bonding section and a thinned section. A thickness of the thinned section is smaller than that of the bonding section. The bonding section forms interference fit with the second inner wall. The thinned section forms interference fit with the first inner wall, and extends to the second inner wall. In a direction perpendicular to the second inner wall, a gap exists between the thinned section and the second inner wall.

Abstract: An information processing method and an electronic device are provided in the present disclosure. The method includes: acquiring an adjustment instruction to an icon object in a display content, where the adjustment instruction includes parameter information, a display mode of at least one of the icon object of a first type and the icon object of a second type is determined according to the parameter information, the icon object of a first type is configured to carry the icon object of a second type; adjusting the icon object in the display content based on the parameter information in response to the adjustment instruction to make the icon object present an adjusted display effect via the display unit.

Abstract: A transceiver includes: a baseband control apparatus (21); an up-conversion apparatus (22), connected to the baseband control apparatus (21), and configured to perform up-conversion on a baseband signal generated by the baseband control apparatus (21), to obtain an intermediate frequency signal; at least two radio frequency channels (23) disposed in parallel, connected to the up-conversion apparatus (22), and configured to perform frequency conversion, amplification, and filtering on the intermediate frequency signal, to obtain a radio frequency signal corresponding to the frequency band covered by the each radio frequency channel; and an antenna (24), connected in series with an output end of any radio frequency channel of the at least two radio frequency channels (23), and configured to transmit the radio frequency signal obtained by the radio frequency channel. The transceiver enables relatively high wireless communication performance when an ultra wide bandwidth is implemented.

Abstract: A data line driving circuit for a display device having a plurality of data lines is provided to include a plurality of data line drivers respectively coupled to the data lines. Each data line driver includes a register unit to store video data having a pixel value, a pulse width modulation unit generating a PWM signal having a pulse width positively correlated with the pixel value, and a charge-discharge unit performing charge-discharge operation to generate a data voltage on a respective one of the data lines according to the PWM signal. A magnitude of voltage variation on the respective data line is positively correlated with the pulse width of the PWM signal during the charge-discharge operation.

Abstract: The present application discloses a sensing screen, a control circuit and control method thereof, and a sensing screen apparatus. The sensing screen includes a display screen, a first transparent medium layer, a transparent connection layer, and an antenna layer. The antenna layer includes multiple antenna units, and the antenna units include at least one first antenna unit and multiple second antenna units. The first antenna unit is configured to transmit a sensing signal, the second antenna units are configured to receive reflected signals of the sensing signal, and the reflected signals are generated by a touch object by reflecting the sensing signal. According to the present application, the antenna layer is arranged right above the display screen, so that a touch area of the sensing screen is fully utilized while screen display is not affected, so as to substantially increase an antenna size and increase an antenna gain.

Abstract: A parking management device, a parking management method and a server are provided. The parking management device includes an identification device and a processor. The identification device identifies vehicle information of a vehicle. The processor receives the vehicle information from the identification device, and determines whether to obtain driver information corresponding to the vehicle information from a database, where the driver information includes a parking reputation value. The processor obtains a score value according to a parking status of the vehicle. The processor updates the parking reputation value according to the score value, and calculates a parking fee according to the score value and the parking reputation value.

Abstract: The present invention relates to the communications field, and provides a phased array calibration method and a phased array calibration circuit. The phased array calibration circuit includes a signal obtaining module, a selector, a phase difference module, and a main signal module. The selector is configured to switch on the signal obtaining module and the main signal module; the signal obtaining module is configured to obtain a first signal according to an initial signal after the selector switches on the signal obtaining module and the main signal module; the selector is further configured to switch on the phase difference module, the signal obtaining module, and the main signal module; and the signal obtaining module is further configured to obtain a second signal according to the initial signal after the selector switches on the phase difference module, the signal obtaining module, and the main signal obtaining module.

Abstract: The present application discloses a signal processing apparatus and method, the method includes: receive an analog signal; adjust a frequency band of the analog signal to a lowest frequency band when a frequency band of the analog signal received by the receiving unit falls outside the lowest frequency band in multiple preconfigured frequency bands; process, by using a signal processing channel in the lowest frequency band, the analog signal whose frequency band has been adjusted to the lowest frequency band. The method provided in the embodiments of the present application processes signals of different frequency bands by using a processing channel in a lowest frequency band. In this way, only a relatively small quantity of radio-frequency link components are required to implement processing of the signals of the different frequency bands, which reduces a link size of a communications system.

Abstract: An array antenna is provided. The array antenna includes at least one pair of interleaved TR antenna arrays in a continuous arraying direction, where the TX arrays and RX arrays of two adjacent TR antenna arrays are interleaved. This can effectively rectify discontinuousness of TX arrays and RX arrays in a discontinuous arraying direction in the prior art, and thereby reduce grating lobes or side lobes caused by discontinuous TX arrays and discontinuous RX arrays in an array antenna, so that performance of the array antenna improves.

Abstract: A driver circuit with device variation compensation function and an operation method thereof are provided. The driver circuit includes a pull-up switch unit, an isolating switch and a pull-down switch unit. A first terminal of the pull-up switch unit is coupled to a first voltage. A second terminal of the pull-up switch unit is coupled to an output terminal of the driver circuit. A first terminal of the isolating switch is coupled to the second terminal of the pull-up switch unit. A first terminal of the pull-down switch unit is coupled to a second terminal of the isolating switch. A second terminal of the pull-down switch unit is coupled to a second voltage. The pull-down switch unit has a device variation compensation function.

Abstract: Embodiments of the present disclosure provide a base station and a beam coverage method, which can improve a service capacity of a communications system. The base station includes: an antenna and at least two data transmission paths, where a data converter and a beamformer are disposed on each data transmission path; the antenna includes a beam aggregation structure and at least one antenna bay, the beam aggregation structure includes at least one antenna aperture, one beamformer is correspondingly connected to one antenna bay, one antenna bay uses at least one antenna aperture in the beam aggregation structure to receive and send a beam, and a multiplexer is further disposed on the at least two data transmission paths; and the multiplexer is configured to set a data transmission path of a to-be-transmitted signal or a radiation signal. The embodiments of the present disclosure are used for beam coverage.

Abstract: A planar-transmission-line-to-waveguide adapter is provided, to reduce limitations on bandwidth expansion. The planar-transmission-line-to-waveguide adapter includes a planar transmission line structure includes at least a planar transmission line, a dielectric substrate, and a metal ground having a coupling gap. a gradient waveguide structure includes m dielectric waveguides with gradient sizes, and any dielectric waveguide is surrounded by metal via holes in a dielectric substrate, where m is a positive integer not less than 2. a1st dielectric waveguide in the m dielectric waveguides with gradient sizes is coupled with the coupling gap in the planar transmission line structure. Adjacent dielectric waveguides are connected by using a metal ground, and a radiation patch is disposed between the adjacent dielectric waveguides. A metal ground and a radiation patch are disposed on a surface on which an mth dielectric waveguide comes into contact with a standard waveguide.

Abstract: The present application discloses an antenna and a wireless device. The antenna includes: a main body, where the main body includes a top board and a bottom board, where multiple radiation structures are provided on the top board and a feed structure is provided on the bottom board; and multiple gain compensation structures, for partitioning the main body to at least two radiation areas, where each gain compensation structure includes multiple gain compensation units and a shielding structure, and the shielding structure is located between the top board and the bottom board. Each gain compensation unit includes: a first coupling structure located on a side that is of the shielding structure and that faces the feed structure, where at least a portion of the first coupling structure is located between the top board and the bottom board.

Abstract: The present invention relates to the method and the system for initializing secure network access for POS terminals. Said system comprises a terminal backend system and a POS terminal. The POS terminal is provided with: a security module, which was preloaded with a terminal default public key certificate, a private key file, and a CA public key certificate of the terminal backend system in the setting of leaving the factory; a transaction module, which is used for performing the acquiring operation with the following core trading module; and a parameter initializing module, which is used for implementing network access.

Abstract: Embodiments of the present application relate to a method, a system and a computer program product for monitoring execution of a user request on a distributed system. A method for monitoring execution of user requests on a distributed system is provided. The method includes sampling a user request received by a plurality of servers, generating an identifier corresponding to the user request sampled by the plurality of servers, injecting tracking interfaces in advance into processes executed by the plurality of servers, determining whether the current process contain the identifier corresponding to the user request, in the event that the current process contains the identifier corresponding to the user request when the process has executed the tracking interface, recording information corresponding to the identifier relating to the function indicated by the tracking interface and generating a log, and individually collecting the generated log according to the corresponding identifier.

Abstract: The present invention proposes an information interaction testing device and method based on the associated testing case automatic generation. The associated testing case generation module in said device may automatically generate the associated testing case files corresponding to all associated information interactions which can be triggered by said reference information interaction based on the reference information interaction and the predefined rules determined by the application type provided by the system under test. The information interaction testing device and method based on the associated testing case automatic generation disclosed in the present invention have the higher testing speed and the higher testing usability as well as are low-cost.

Abstract: Embodiments of the present application relate to a code coverage rate determination method, a code coverage rate determination system, and a computer program product for determining code coverage rate. A code coverage rate determination method is provided. The method includes retrieving source code of a program, determining theoretical number of log file output points included in the source code and location information of the log file output points, retrieving log files actually outputted during the execution of the program, determining an actual number of log file output points of the actual outputted log files based on the location information of the corresponding log file output points recorded in each log file, and determining a code coverage rate of the program based on the theoretical number of log file output points and the actual number of the log file output points of the actual outputted log files.

Abstract: The present invention discloses a power control method, a power control system and a related device. The method includes: monitoring a downlink data sending condition of a dedicated physical data channel (DPDCH), and if no downlink data is sent on the DPDCH, determining to decrease downlink transmit power of a DPCH, or if downlink data is sent on the DPDCH, determining to increase or maintain downlink transmit power of a DPCH. The present invention can reduce the downlink transmit power of the DPCH and promote experience of other users on a precondition of ensuring system performance.