Abstract: A communication method is provided. The method includes: monitoring, by a first terminal, a dialing event, triggering a process of establishing a bootstrap data channel with a service platform media module through the dialing event; after the bootstrap data channel with the service platform media module is successfully established, sending, by the first terminal, a service request message through the bootstrap data channel; and receiving, by the first terminal, a response message for the service request message returned by the service platform media module, and implementing at least one of an interface display or a service logic of a service based on an indication of the response message.

Abstract: A roof system is provided. The roof system includes a roof body capable of forming a flat roof or a corrugated roof, where the roof body is provided on a roof pillar; a gutter system is provided at a valley position of the corrugated roof or on the flat roof; a skylight system is further provided at a pitched roof or a ridge of the corrugated roof or on the flat roof; and a pressure relief adjustment component is provided on the skylight system. According to the roof system, a plurality of roof modules are assembled into the roof body. Two adjacent ones of the roof modules are fixed by a connecting plate and a self-locking component when assembled. A plurality of reinforcing points work cooperatively, so the roof system achieves a high utilization rate, and ensures the overall stability and bearing capacity of the roof.

Abstract: The present invention discloses a manufacturing method of a photovoltaic solar cell module, and belongs to the technical field of solar photovoltaic device manufacturing. In the present invention, a metal connecting ribbon is adopted for connecting a cell, and front and rear surfaces of the cell are designed by removing PAD dots, so that optical shielding on a surface of the cell is reduced, and the cost is reduced. The metal connecting ribbon and the cell are welded into a cell string by a jig and a manipulator and the risk of unstable connection is substantially eliminated by providing an adhesive pattern on the metal connecting ribbon of the cell string and curing.

Abstract: A thermoplastic elastomer composition and method of making the thermoplastic elastomer are disclosed. The thermoplastic elastomer may comprise a polymer blend. The polymer bland may comprise a non-crosslinked elastomer, oil, and polyethylene. The oil may be from about 15 wt. % to about 60 wt. % oil. The polyethylene may be from about 0.1 wt. % to about 40 wt. %.

Abstract: A thermoplastic elastomer composition and method of making the thermoplastic elastomer are disclosed. The thermoplastic elastomer may comprise a polymer blend. The polymer bland may comprise a non-crosslinked elastomer, oil, polyethylene, and anti-oxidant. The oil may be from about 15 wt. % to about 50 wt. % oil. The polyethylene may be from about 3 wt. % to about 30 wt. %. The anti-oxidant may be from about 0 to about 0.5 wt. %.

Abstract: A method and apparatus for analyzing disparate certificates possibly issued by disparate sources within a disaggregated public key infrastructure is disclosed. In one embodiment, the system comprises a database having a certificate repository and a certificate ingestion interface module, communicatively coupled to the certificate repository, the certificate ingestion interface module for ingesting certificates issued by the disparate sources. The system further comprises an analytics engine, communicatively coupled to the certificate repository, for analyzing attributes of the ingested certificates, a reporting engine, communicatively coupled to the certificate repository, for visualizing and reporting results of the analytics engine via a reporting interface, and an administrative interface, communicatively coupled to the certificate repository, for managing the system.

Abstract: According to the embodiments of the disclosure, a multimedia processing method, device, electronic device, and storage medium are provided by obtaining a first multimedia resource; determining an initial text content corresponding to the first multimedia resource by performing speech recognition on audio data of the first multimedia resource, the audio data of the first multimedia resource comprises speech data of the initial text content; determining an invalid text content in the initial text content, the invalid text content is semantically non-informative; determining a first playing position of speech data of the invalid text content in the first multimedia resource; and cropping the first multimedia resource based on the first playing position to obtain a second multimedia resource, wherein audio data of the second multimedia resource comprises speech data of a target text content but does not comprise the speech data of the invalid text content.

Abstract: The present invention relates to the technical field of microorganisms, in particular to a Bifidobacterium animalis subsp. lactis ATM-209 (GOLDGUT-BB18) inhibiting Helicobacter Pylori and an application thereof. The Bifidobacterium animalis subsp. lactis ATM-209 (GOLDGUT-BB18) provided by the present invention is preserved in China General Microbiological Culture Collection Center of China Committee for Culture Collection of Microorganisms, with a preservation number of CGMCC No. 25896. The strain has good acid tolerance, and can well adapt to a gastric environment; the strain has an obvious effect for inhibiting the growth of Helicobacter Pylori, can inhibit the in-vivo colonization of the Helicobacter Pylori in an animal experiment and relieve the inflammation caused by Helicobacter Pylori infection, and has broad application prospects in clinical prevention, treatment and inhibition of diseases related to Helicobacter pylori infection and gastrointestinal health food.

Abstract: Methods and apparatus are described herein related to improving the sound quality of a bone conduction speaker. The sound quality of the bone conduction speaker is adjusted in the sound generation, sound transferring, and sound receiving of the bone conduction speaker by designing vibration generation manners and vibration transfer structures.

Abstract: A method for processing positron emission tomography data is provided, this method includes: obtaining a first coordinate and a second coordinate respectively corresponding to two ends of a response line to be processed; determining corresponding dimensional coordinates of the response line to be processed in a sinogram based on the first coordinate and the second coordinate; and generating the sinogram corresponding to the response line to be processed based on the dimensional coordinates. According to this method, the amount of calculation of system matrix is reduced, the accuracy of position information of the generated response line is improved, and the accuracy of generated sinogram is improved accordingly.

Abstract: Methods, systems, and computer program products are provided for embedding learning to provide uniformity and orthogonality of embeddings. A method may include receiving a dataset that includes a plurality of data points including a first plurality of data points having a first classification and a second plurality of data points having a second classification, generating a first normalized class mean vector of the first plurality of data instances having the first classification, generating a second normalized class mean vector of the second plurality of data instances having the second classification, performing a class rectification operation on the first plurality of data instances having the first classification and the second plurality of data instances having a second classification, and generating embeddings of the dataset based on original embedding space projections of the dataset.

Abstract: The present disclosure provides systems and methods for processing a signal. The system for processing a signal may include at least one microphone and at least one vibration sensor. The at least one microphone may be configured to collect a sound signal, and the sound signal may include at least one of user voice and environmental noise. The at least one vibration sensor may be configured to collect a vibration signal, and the vibration signal may include at least one of the user voice and the environmental noise. The system for processing a signal may also comprise a processor. The processor may be configured to determine a relationship between a noise component in the sound signal and a noise component in the vibration signal, and obtain a target vibration signal by performing, based at least on the relationship, noise reduction processing on the vibration signal.

Abstract: The present invention relates to a bone conduction speaker and its compound vibration device. The compound vibration device comprises a vibration conductive plate and a vibration board, the vibration conductive plate is set to be the first torus, where at least two first rods inside it converge to its center; the vibration board is set as the second torus, where at least two second rods inside it converge to its center. The vibration conductive plate is fixed with the vibration board; the first torus is fixed on a magnetic system, and the second torus comprises a fixed voice coil, which is driven by the magnetic system. The bone conduction speaker in the present invention and its compound vibration device adopt the fixed vibration conductive plate and vibration board, making the technique simpler with a lower cost; because the two adjustable parts in the compound vibration device can adjust both low frequency and high frequency area, the frequency response obtained is flatter and the sound is broader.

Abstract: The present disclosure provides a direct current (DC) transformer error detection apparatus for a pulsating harmonic signal, including a DC and pulsating harmonic current output module and an external detected input module, where the DC and pulsating harmonic current output module outputs a DC and a DC superimposed pulsating harmonic current to an internal sampling circuit and a self-calibrated standard resistor array; and the internal sampling circuit converts the input DC and the input DC superimposed pulsating harmonic current into a voltage signal, and sends the voltage signal to an analog-to-digital (AD) sampling and measurement component through a front-end conditioning circuit and a detected input channel. The DC transformer error detection apparatus can complete self-calibration for measurement of the DC and the pulsating harmonic signal on a test site.

Abstract: The present application provides an image stitching method, apparatus and device based on reinforcement learning and a storage medium. The method includes: acquiring initial calibration parameters, collecting a sample image and position information of a motion platform; setting a negative reward function; acquiring a state set and a negative reward value set according to a randomly generated action set, the initial calibration parameters, the position information of the motion platform and the negative reward function to construct a probability kinematics model; constructing a state value function based on an occurrence probability of the state, and acquiring an optimal action by optimizing the state value function; and acquiring optimized calibration parameters through the optimal action and the initial calibration parameters, and carrying out image stitching on corresponding sample images through the optimized calibration parameters.

Abstract: An audio generation method and system provided in this disclosure can dynamically select a frequency splicing point of an audio signal based on voice quality of a first audio signal and a second audio signal corresponding to each frequency in a frequency domain, divide the frequency domain into a first frequency interval and a second frequency interval, select audio signals of higher voice quality that correspond to each frequency interval for splicing, and obtain a target audio signal after fusion of the first audio signal and the second audio signal, so that voice quality of the target audio signal in each frequency interval in the frequency domain is the best, thereby improving voice quality of the target audio signal after fusion.

Abstract: The present application provides a kinematics modeling method, apparatus and device for a multi-degree-of-freedom mechanism and a storage medium. The method includes: constructing a point coordinate system, and constructing the transformation matrix; constructing transformation matrices of two rotating axes and the transformation matrix; constructing the forward kinematics model based on the transformation matrices of the point coordinate system, the two rotating axes and the workpiece coordinate system; solving the motor value of the rotating axis through the rotation matrix of the end-effector, using the translation matrix of the end-effector as a non-homogeneous linear equation set, solving the motor value of linear axis.

Abstract: A treatment method for EVA waste materials includes the following steps: step 1: crushing waste EVA shoe soles, waste EVA sheets, and waste EVA trimmings to obtain block-shaped crushed materials with a length of less than 7 cm and a width of less than 5 cm; then, putting the block-shaped crushed materials into a waste crusher to obtain strip-shaped crushed materials; step 2: putting the strip-shaped crushed materials obtained in step 1, Surlyn resin, and PMP into an internal mixer in a weight ratio of 85:(4-10):(4-8), wherein an internal mixing temperature gradually rises, a highest temperature of the internal mixing temperature is 150° C., and an internal mixing time is 18 to 25 minutes, so as to obtain block-shaped mixed materials; and step 3: processing the block-shaped mixed materials, which have been subjected to internal mixing by a screw extruder and an open mill to obtain an EVA recycled film.

Abstract: The present disclosure relates to a subtitle generation method, a subtitle generation apparatus, an electronic device, a storage medium and a program.

Abstract: In an audio signal processing method and system for echo suppression, selection of a target audio processing mode is controlled based on strength of a speaker signal. In the method and system, a control signal is generated based on the strength of the speaker signal, and the target audio processing mode is controlled based on the control signal to perform signal processing on a microphone signal so as to obtain better voice quality. When the speaker signal does not exceed a threshold, the system selects a first mode, and performs signal processing on a first audio signal and a second audio signal to obtain a first target audio; or when the speaker signal exceeds a threshold, the system selects a second mode, and performs signal processing on a second audio signal to obtain a second target audio, and the mode can be switched based on the speaker signal.