Abstract: The application proposes a non-destructive testing method for the sealing degree of the small cigarette box packaging, which includes placing the small cigarette box to be tested in an airtight chamber, using a balance cabin to quickly form a stable negative pressure in the airtight chamber; The pressure change of the sealed chamber is continuously measured until equilibrium, and the data model is analyzed and established by using Darcy's law, Fick's diffusion law and the physical process of molecular kinetic theory. Through the non-destructive testing method for the sealing degree of the small cigarette box packaging of the present invention, the traditional destructive measurement (damaged small box packaging) for measuring the sealing degree of cigarette small box is changed into non-destructive testing; The test results have specific physical meaning; The test time of a single sample is reduced to ? of the time of destructive test.

Abstract: Disclosed are a point cloud encoding and decoding method and device based on a two-dimensional regularization plane projection. The encoding method includes: acquiring original point cloud data; performing two-dimensional regularization plane projection on the original point cloud data to obtain a two-dimensional projection plane structure; obtaining a plurality of pieces of two-dimensional image information according to the two-dimensional projection plane structure; and encoding the plurality of pieces of two-dimensional image information to obtain code stream information.

Abstract: Embodiments of the present disclosure provide a method for capturing a fingerprint image, an apparatus for capturing a fingerprint image, and an electronic device, where the method includes: controlling a fingerprint sensor to capture at least one frame of image based on each candidate exposure time among N candidate exposure times respectively; determining N values of a feature parameter corresponding to the N candidate exposure times according to the at least one frame of image captured in each exposure time, where the feature parameter is used to indicate a degree of influence of a refresh period of a display screen on the fingerprint image captured by the fingerprint sensor; determining a candidate exposure time corresponding to a first value indicating a smallest degree of influence among the N values as a target exposure time; and controlling the fingerprint sensor to capture the fingerprint image based on the target exposure time.

Abstract: Systems and methods are provided for performing random walk graph computing. One method may comprise generating a subset of walkers on a graph, maintaining the generated subset of walkers in a walker pool in a memory, loading a coarse-grained block of the graph from a non-volatile storage into a block buffer of the memory, generating pre-sampled edges for vertices in the coarse-grained block, storing the pre-sampled edges into a pre-sampled edge buffer allocated for the coarse-grained block and moving one or more walkers of the generated subset of walkers using the pre-sampled edges stored in the pre-sampled edge buffer. The generated subset of walkers may have an initial number determined based on a memory space allocated to the walker pool.

Abstract: Provided are a display substrate, a preparation method thereof, and a display apparatus. The display substrate includes: a first display region and a second display region; the first display region includes a plurality of first pixels, the first pixel includes a passive light-emitting device, the second display region includes a plurality of second pixels, the second pixel includes an active light-emitting device and a pixel drive circuit electrically connected to the active light-emitting device. The first display region further includes a plurality of first cathode blockers, and the first cathode blocker includes at least one first groove, wherein the first cathode blocker is provided between at least two adjacent columns of first pixels, to make the cathodes of the two adjacent columns of first pixels disconnected.

Abstract: An electrical connector assembly includes: a bracket; and at least one transmission assembly mounted to the bracket and including an internal printed circuit board (PCB), a board-mount connector connected to a first row of conductive pads disposed at a bottom end portion of the PCB, and a plug-in connector connected to a second row of conductive pads disposed at a front end portion of the PCB, wherein the PCB has a third row of conductive pads disposed at a rear end portion thereof.

Abstract: A clock calibration method and an electronic device, for calibrating a clock of a fingerprint chip, which can improve an accuracy of the clock of the fingerprint chip, thereby improving performance of the fingerprint chip. The clock calibration method, for calibrating a clock of a fingerprint chip provided in an electronic device, includes: sending a configuration command to the fingerprint chip to cause the fingerprint chip to map a current clock of the fingerprint chip to a target pin of the fingerprint chip; detecting the target pin to acquire the current clock of the fingerprint chip; determining a calibration value based on a target clock and the current clock of the fingerprint chip; and sending the calibration value to a calibration register in the fingerprint chip, the calibration value being used to adjust the current clock of the fingerprint chip.

Abstract: A low-oxygen heating-type cigarette assembly, comprising a low-oxygen heating-type smoking set (B) and a low-oxygen heating-type cigarette (A). The low-oxygen heating-type smoking set (B) comprises a heating section (4) and a smoke extracting member (2) detachably arranged with the heating section (4), wherein the heating section (4) is provided with a cigarette receiving chamber (4-1), and the smoke extracting member (2) comprises a hollow smoke extracting cone (2-1) and a smoke transmission tube (2-2).

Abstract: A memory apparatus and operating method are provided. The apparatus includes memory cells connected to word lines and disposed in memory holes and configured to retain a threshold voltage. The memory holes are organized in rows grouped in strings and the strings comprise a plurality of blocks which comprise planes. A control means is configured to program the memory cells connected to one of the word lines and associated with one of the strings in each of the plurality of planes and acquire a smart verify programming voltage individually for each of the planes in a smart verify operation. The control means concurrently programs at least some of the memory cells connected to each of the word lines in each of the planes in a program operation using the smart verify programming voltage individually acquired for each of the planes in the smart verify operation.

Abstract: Present implementations are directed to simultaneous uplink transmissions based on multi-TRP operation. In some arrangements, a wireless communication method includes receiving, by a wireless communication device, a first downlink signaling that is associated with a second downlink signaling, and simultaneously transmitting, by the wireless communication device, a first uplink transmission and a second uplink transmission that are scheduled by the first downlink signaling and the second downlink signaling, respectively.

Abstract: A wireless communication method includes identifying, by a wireless communication device, a number (N) of resource sets in a resource setting, wherein N is equal to or greater than 2; and determining, by the wireless communication device, a number (OCPU) of processing units being occupied over a plurality of symbols, wherein the occupied process units are configured for processing a Channel State Information (CSI) report.

Abstract: A three-dimensional ventilation image generation method, and a controller and an apparatus. The method comprises: generating a three-dimensional ventilation image by means of a signal extraction algorithm and an image reconstruction algorithm and according to an electrical impedance signal obtained by performing electrical impedance measurement on a target region to be measured, wherein performing electrical impedance measurement on said target region is implemented by using an electrode array that is three-dimensionally distributed on the periphery of said target region.

Abstract: An apparatus is provided that includes a memory die having a first memory cell, and a controller connected to the memory die. The controller is configured to apply a plurality of programming pulses to the first memory cell, apply a plurality of first verify pulses to the first memory cell, determine from the first verify pulses that the first memory cell has been programmed to a first programmed memory state, apply a single second verify pulse to the first memory cell after determining that the first memory cell has been programmed to the first programmed memory state, determine from the single second verify pulse that the first memory cell is no longer programmed to the first programmed memory state, and apply an additional programming pulse to the first memory cell.

Abstract: An optical signal transmission device and method based on digital predistortion in a symbol domain is provided. The optical signal transmission device includes: a memory; and a processor coupled to the memory to control execution of a process to: perform digital predistortion processing on a symbol sequence of a signal to be transmitted to obtain a digital predistortion processed signal; perform short-pulse shaping processing on the digital predistortion processed signal to obtain a short-pulse shaping processed signal, wherein a memory length introduced by the short-pulse shaping processing is less than or equal to a memory length of the optical transmitter; and generate and transmit an optical signal based on the short-pulse shaping processed signal.

Abstract: A closed heat-not-burn cigarette and an assembly. The assembly comprises a closed heat-not-burn cigarette (1) and a heating smoking set (2), wherein when in use, the closed heat-not-burn cigarette (1) is inserted into the heating smoking set (2) where the cigarette is heated for smoking.

Abstract: A sidewall-punctured heated tobacco product (9), comprising a tobacco section (1) and a functional mouthpiece rod section (3). A vapor extraction section (2) is provided between the tobacco section (1) and the functional mouthpiece rod section (3). The tobacco section (1), the vapor extraction section (2), and the functional mouthpiece rod section (3) are wrapped and connected together by means of external wrapping and tipping materials. The vapor extraction section (2) is a cylinder comprising a hollow structure (2-1), and at least one sidewall through hole (2-2) communicated with the hollow structure (2-1) is formed on the sidewall of the cylinder. In use, the tobacco product (9) is inserted into a closed heating smoking set, and during vaping, vapor generated by the tobacco section (1) is mixed, after active migration, with air entering from the sidewall through hole (2-2) to form mainstream vapor.

Abstract: A distorter coefficient updating apparatus, a distorter coefficient updating method, and a digital predistortion apparatus. The distorter coefficient updating apparatus is configured at an optical receiver side, and comprises a processor configured to: perform re-distortion processing on a signal after decision according to a first distorter coefficient to generate a first reference signal; and calculate a second distorter coefficient according to the first reference signal and a signal before decision, or according to the first reference signal, the signal after decision, and the signal before decision The second distorter coefficient is fed back to the processor as the first distorter coefficient of the processor in a next update, and the second distorter coefficient is fed back to a predistorter on an optical transmitter side as a predistortion coefficient for the predistorter to perform a predistortion processing on a signal input to the predistorter.

Abstract: A memory apparatus and operating method are provided. The apparatus includes memory cells connected to word lines and disposed in memory holes and configured to retain a threshold voltage. The memory holes are organized in rows grouped in strings. A control means is coupled to the word lines and the memory holes and programs the memory cells associated with a first one of the strings in a program operation and acquire a smart verify programming voltage in a smart verify operation including smart verify loops. The control means discards the smart verify programming voltage and determines another smart verify programming voltage in another smart verify operation on the memory cells associated with a second one of the strings in response to a quantity of the smart verify loops needed to complete programming of the memory cells associated with the first one of the strings being outside a predetermined threshold criteria.

Abstract: An SOI lateral homogenization field high voltage power semiconductor device, and a manufacturing method and application thereof are provided. The device includes a type I conductive semiconductor substrate, a type II conductive drift region, a type I field clamped layer, type I and type II conductive well regions, the first dielectric oxide layer forming a field oxide layer, the second dielectric oxide layer forming a gate oxide layer, a type II conductive buried dielectric layer, a type II conductive source heavily doped region, a type II conductive drain heavily doped region. The first dielectric oxide layer and the floating field plate polysilicon electrodes form a vertical floating field plate distributed throughout the type II conductive drift region to form a vertical floating equipotential field plate array. When the device is in on-state, high doping concentration can be realized by the full-region depletion effect form the vertical field plate arrays.

Abstract: The present disclosure provides an apparatus and method for measuring a nonlinear signal-to-noise ratio, and a test instrument. The method for measuring a nonlinear signal-to-noise ratio may include performing notch operation on at least one frequency point in a spectrum of an input signal in a symbol domain or a bit domain; performing spectrum measurement on an output signal after passing through a nonlinear system; and estimating a nonlinear signal-to-noise ratio of at least one frequency point of the nonlinear system according to a spectrum of the output signal. According to the embodiments of the present disclosure, when the notch operation is performed, internal structures of symbols or bits of the input signal may be retained, and an accuracy of the measurement of the nonlinear signal-to-noise ratio may be improved.