Abstract: The present disclosure discloses a dual-wavelength high-spectral resolution lidar system based on a dual-stage virtual image phased array. The system includes a dual-wavelength vertically polarized light emission system, first to sixth beam splitting systems, a first photodetector, a telescope, a first band-pass filter, a second band-pass filter, a second photodetector, a first dual-stage virtual image phased array system, a third photodetector, a first ICCD acquisition system, a fourth photodetector, a second dual-stage virtual image phased array system, a fifth photodetector, a second ICCD acquisition system, and a timing controller.

Abstract: An SoC architecture includes a non-volatile memory and an SoC chip. The SoC chip is connected with the non-volatile memory. The SoC chip includes a central processing unit, a volatile memory, a system bus, an on-the-fly decryption circuit, a memory interface, a timer and a key bank. The on-the-fly decryption circuit is connected with the key bank. The on-the-fly decryption circuit performs an encryption operation or a decryption operation according to plural keys in the key bank. After the SoC architecture is powered on, if the timer is not disabled and the timer has counted time for a specified time period, the central processing unit is subjected to a warm reset, and a storage format in the non-volatile memory is changed from an initial format to an operation format by the central processing unit.

Abstract: A camera module, comprising a shell, a fixing bracket, a lens, a first driving assembly, a second driving assembly, and an image sensor assembly. The fixing bracket includes a first fixing portion and a second fixing portion. The first driving assembly is connected to a side of the first fixing portion facing the bottom of the shell. The first driving assembly includes a fixed member fixed to a bottom surface of the first fixing portion, a driving member connected to an image sensor assembly, and at least two shape memory alloy wires connected between the fixed member and the driving member and located on different sides of the first driving assembly. The shape memory alloy wires drive the image sensor assembly to move by extension and retraction.

Abstract: A method for adjusting system drive letters comprises acquires a system drive letter of an action hard disk in response to the identified action hard disk. If a plugging position of the action hard disk is the extension slot, the slot value corresponding to the action hard disk is acquired. The system drive letter is changed to a slot drive letter based on the slot value. If the system drive letter is shifted, the system drive letter is adjusted to be the slot drive letter for reducing the condition of failing to search or call the files in the action hard disk based on the original system drive letter. A convenience of searching or calling the files in the action hard disk is improved. An electronic device and a computer readable storage medium applying the method are also disclosed.

Abstract: A multi-layer display module includes a first display panel, and a second display panel. The second display panel is located on one side of the first display panel and overlapped with the first display panel. There is a space between the first display panel and the second display panel. Transmittance of the second display panel is T2, luminance of the first display panel is L1, and luminance of the second display panel is L2. The multi-layer display module complies with T ? 2 > 40 ? % and 0.8 ? L ? 1 L ? 2 * ( 1 - T ? 2 ) .

Abstract: An electronic device includes a circuit board assembly and an expansion card assembly. The circuit board assembly includes a circuit board body, a first circuit board connection port, a second circuit board connection port, and a third circuit board connection port. The expansion card assembly is adapted for plugging in the circuit board assembly, and includes an expansion card body, a first expansion card connection port, and a second expansion card connection port. When the expansion card assembly is plugged in the circuit board assembly, the first expansion card connection port is docked with the first circuit board connection port, the second expansion card connection port is docked with the second circuit board connection port, and the third circuit board connection port is electrically connected to the expansion card body through the second circuit board connection port and the second expansion card connection port.

Abstract: Disclosed in the present application are a dexmedetomidine transdermal composition, a transdermal patch and a preparation method therefor and the use thereof. The composition comprises dexmedetomidine, propylene glycol, and a metal chelate crosslinking agent, or dexmedetomidine, propylene glycol, a metal chelate crosslinking agent and a pressure-sensitive adhesive. In addition, according to the present application, propylene glycol is added to the dexmedetomidine transdermal composition as a solubilizer, which can reduce the generation of impurities and make the compatibility of raw materials and auxiliary materials better. Moreover, the skeleton structure of the product is constructed using the metal chelate crosslinking agent and the pressure-sensitive adhesive together, so that the adhesion performance is obviously improved, and patients can achieve an excellent fitting feeling.

Abstract: Semiconductor devices and methods of forming the same are provided. A semiconductor device according to the present disclosure includes first channel members over a first backside dielectric feature, second channel members over a second backside dielectric feature, a first epitaxial feature abutting the first channel members and over the first backside dielectric feature, a second epitaxial feature abutting the second channel members and over the second backside dielectric feature, a first gate structure wrapping around each of the first channel members, a second gate structure wrapping around each of the second channel members, and an isolation feature laterally stacked between the first backside dielectric feature and the second backside dielectric feature. A bottommost portion of the isolation feature is below bottom surfaces of the first and second gate structures, and a topmost portion of the isolation feature is above top surfaces of the first and second gate structures.

Abstract: A target positioning sensing method and apparatus, a communication device, and a storage medium. The target positioning sensing method includes: performing, by a first device, sensing measurement on a sensing target, to obtain a first measurement quantity result of a first measurement quantity of a dynamic reflection path of a first signal, where the first measurement quantity includes: at least one of a reflection path Doppler frequency or a reflection path length change speed, and the first signal is a signal sent by a second device to the first device; and sending, by the first device, the first measurement quantity result, where the first measurement quantity result is used for determining a positioning sensing result of the sensing target.

Abstract: A segmental precast composite-material composite-slab composite beam and a construction method thereof are provided, relating to the technical field of bridge design and construction. The segmental precast composite-material composite-slab composite beam mainly includes a segmental precast orthotropic composite top slab, a web, a bottom slab, and a wet joint between segments. The orthotropic composite top slab is composed of an orthotropic slab and an ultra-high-performance concrete layer (UHPC), and the interface connection of the orthotropic slab and the UHPC structural layer is achieved by a shear key. The UHPC structural layer is superposed with the orthotropic slab in segments in a precast plant to form a composite-slab composite beam segment to be entirely transported, hoisted and assembled, and the connection of the UHPC structural layers between the segments is achieved by casting a transverse wet joint in place.

Abstract: In a matching device, a priority setting means sets first priorities by arranging scores in a descending order which are assigned based on desired conditions of users who receive a service, and also sets second priorities by arranging scores in the descending order which are assigned based on desired conditions of providers. A priority interchange means sets at least third priorities in which the first priorities are interchanged or fourth priorities in which the second priorities are interchanged. A matching process means performs first and second matching processes based on combinations of the first to fourth priorities. A matching result selection means selects, as a final matching result, one of a first matching result acquired by the first matching process and a second matching result acquired by the second matching process.

Abstract: Provided are a tiled display panel and a display device. The tiled display panel includes a transparent substrate and at least two display subpanels. The at least two display subpanels are disposed in at least two tiled regions of the transparent substrate respectively. A first alignment pattern on the transparent substrate includes at least two first sub-patterns. The at least two first sub-patterns are disposed in the at least two tiled regions respectively. A first sub-pattern includes a hollowed-out region. A second alignment pattern on a display subpanel includes at least two second sub-patterns. The shape of a second sub-pattern is the same as the shape of the hollowed-out region. The vertical projection of the second sub-pattern on the transparent substrate is located in the hollowed-out region.

Abstract: A phase change memory device includes a first electrode, a second electrode, a phase change region, a first spacer and a second spacer. The second electrode is disposed over the first electrode. The phase change region is disposed between the first and second electrodes. The first spacer laterally covers the phase change region. The second spacer laterally covers the first spacer, and has a thermal conductivity smaller than that of the first spacer.

Abstract: A method, computer system, and a computer program product are provided for a restoring missing content to a user that was absent during a portion of a live event. The process will identify the absence period and that is being participated by a user and obtains extracted information relating to the user that was previously gathered from a variety of sources including past user interactions and a user profile. This information is further analyzed and prioritized according to user interest priority determined by the extracted information. This information is categorized into a first set of domains. Information provided during the absence of the user will also be captured and categorized into a second set of domain categories. An intersection between the first and second set of domain categories will be found and prioritized by user interest. This will be presented to the user upon user's return.

Abstract: A wireless communication and sensing method for use in a wireless communication and sensing node is disclosed. The method comprises transmitting an integrated sensing and communication, ISAC, signal, wherein a sensing signal in the ISAC signal comprises a wideband signal and at least one single-tone signal, wherein the number of the at least one single-tone signal is less than 10, and wherein a bandwidth of the wideband signal is greater than 1 MHz.

Abstract: A display substrate, a display panel and a display device are provided. The display substrate is divided into a display region and a non-display region at least partially surrounding the display region. The display substrate includes data cables and adapter cables arranged in the display region, and connecting cables arranged in the non-display region. A part of the connecting cables are electrically connected to a part of the data cables through the adapter cables, and the remaining connecting cables are electrically connected to the remaining data cables directly. The data cables and the connecting cables are both arranged in the first direction. The data cables are arranged in a same sequence as the connecting cables electrically connected to the data cables. Therefore, performance of the display can be optimized.

Abstract: A method and an apparatus for controlling read timing, and a computer-readable storage medium. The apparatus for controlling read timing includes an on-chip memory. The method for controlling read timing includes: writing input data into the on-chip memory; performing an end-of-frame detection on the input data; after detecting an end of a frame, counting input data rows and generating a read timing according to a preset Porch parameter; determining whether the on-chip memory will be read to be empty or written to be full according to an input data row count and the generated read timing; and when the on-chip memory will be read to be empty or written to be full, adjusting the read timing until the on-chip memory will not be read to be empty or written to be full, and reading and outputting data of the on-chip memory according to the read timing.

Abstract: The disclosure provides a laser lighting system. The laser lighting system includes a microcontroller, a motor, a fluorescent color wheel and a detection circuit. The motor drives the fluorescent color wheel to rotate. The detection circuit is configured to detect a detected signal from the fluorescent color wheel. When a synchronous signal changes, the microcontroller compares the detected signal to the synchronous signal, in order to control the output current signal for driving the motor, and to decrease the phase variation between the detected signal and the synchronous signal until the phase difference between the detected signal and the synchronous signal maintain at a constant value.

Abstract: The present invention provides a test device. The device includes a testing element and a house configured to accommodate the testing element, where the house is formed by folding a paper-made card, and the testing element is located in the housing. The housing is allowed to be in different change states to test or assay an analyte in a sample.