Abstract: Apparatuses and methods for pipelining memory operations with error correction coding are disclosed. A method for pipelining consecutive write mask operations is disclosed wherein a second read operation of a second write mask operation occurs during error correction code calculation of a first write mask operation. The method may further including writing data from the first write mask operation during the error correction code calculation of the second write mask operation. A method for pipelining consecutive operations is disclosed where a first read operation may be cancelled if the first operation is not a write mask operation. An apparatus including a memory having separate global read and write input-output lines is disclosed.

Abstract: The present disclosure relates to a technology field of artificial intelligence and provides a method for selecting image samples and related equipment. The method trains an instance segmentation model with first image samples and trains a score prediction model with third image samples. An information quantum score of second image samples is calculated through the score prediction model and feature vectors extracted. The second image samples are clustered according to the feature vectors of the second image samples and sample clusters of the second image samples are obtained. Target image samples are selected from the second image samples according to the information quantum score of the second image samples and the sample clusters. Target image samples from the image samples are selected for labelling, improving an accuracy of sample selection.

Abstract: Embodiments of this application disclose a wireless transceiver apparatus. The apparatus includes a radio frequency receiver, a radio frequency transmitter, a first serializer/deserializer, and a common clock phase-locked loop. The radio frequency receiver, the radio frequency transmitter, the first serializer/deserializer, and the common clock phase-locked loop are integrated in a radio frequency chip. The radio frequency receiver includes a down converter and an analog to digital converter. The radio frequency transmitter includes an up converter and a digital to analog converter. The first serializer/deserializer is configured to provide a serial digital interface with a baseband chip for the radio frequency chip.

Abstract: Embodiments of the present invention disclose a virtual network device. The virtual network device is configured to implement a broadband network gateway BNG function, and the virtual network device includes a load balance unit and a first forwarding unit; the load balance unit is configured to: receive a first data packet from a first user terminal, determine the first forwarding unit according to the first data packet and a first correspondence, and send the first data packet to the first forwarding unit, where the first correspondence indicates mapping from the first user terminal to the first forwarding unit; and the first forwarding unit is configured to receive and forward the first data packet. In addition, the embodiments of the present invention further disclose a method for implementing load sharing in a virtual network device.

Abstract: This application relates to the field of communication technologies, and discloses a communication method and apparatus. The method includes: The terminal device generates capability information, where the capability information includes an overall frequency separation class of the terminal device, and the overall frequency separation class indicates a maximum frequency separation between a lowest component carrier and a highest component carrier included in an uplink component carrier and a downlink component carrier supported by the terminal device; and the terminal device sends the capability information to the network device.

Abstract: A method for detecting an audio signal, the method comprises: obtaining a speech segment and a non-speech segment of an audio signal to be detected, extracting a first audio feature of the speech segment and a second audio feature of the non-speech segment, detecting the first audio feature using a predetermined speech segment detection model to obtain a first detection score, detecting the second audio feature using a predetermined non-speech segment detection model to obtain a second detection score, and determining whether the audio signal belongs to a target audio based on the first detection score and the second detection score.

Abstract: Provided is a flooding composition. The flooding composition includes in weight percent (wt %) based on the weight of the composition: (A) from 1 wt % to less than 5 wt % of a polytetrafluoroethylene (PTFE) powder; (B) a styrene-ethylene/propylene block copolymer; and (C) a mineral oil having a kinematic viscosity from 32 cSt to 100 cSt at 40° C. Also a fiber optic cable is provided. The fiber optic cable includes a buffer tube; at least one optical fiber in the buffer tube; and the flooding composition.

Abstract: An impedance matching method for a low-profile ultra-wideband array antenna is provided. The method includes: connecting an arm of a balanced end of a hyperbolic microstrip balun in series with an open circuit line; directly coupling the open circuit line to a radiator layer; connecting another arm of the balanced end of the hyperbolic microstrip balun to the radiator layer via a metallized via hole, and welding an unbalanced end of the hyperbolic microstrip balun to a coaxial line, so that the coaxial line feeds a power to the antenna via the hyperbolic microstrip balun. In this method, the open circuit line is integrated between the hyperbolic microstrip balun and the radiator layer of the antenna to achieve an impedance matching of the ultra-wideband antenna and to simplify a structure of a matching circuit.

Abstract: The present disclosure provides a multi-band base station antenna for scattering suppression, including a high-band dual-polarized antenna and a low-band dual-polarized antenna. The operating band of the high-band dual-polarized antenna is 1.7-3.0 GHz, which are four; the operating band of the low-band dual-polarized antenna operates is 0.69-0.96 GHz, and is comprised of two intersected dipoles; above the high-band dual-polarized antennas, a spacing between the high-band dual-polarized antenna and the low-band dual-polarized antenna is smaller than the quarter wavelength corresponding to the low-band dual-polarized antenna; the low-band dual-polarized antenna is provided with several rectangular open slots at equal spacings, with symmetrical openings on both sides of the dipole, with a width of 1-1.5 mm and a length of 4-to 6 mm; and a ratio of the sum of widths of the open slots to a length of an arm of the dipole is greater than 0.16 and less than 0.24.

Abstract: A microstrip ultra-wideband antenna is provided, including: an upper dielectric substrate, a radiation patch, an open-circuit line, a short-circuit line, a ground plane, a lower dielectric substrate, a vertical dielectric substrate, isolation walls, a hyperbolic microstrip balun feeder and an ideal wave port. The radiation patch is attached to a lower surface of the upper dielectric substrate; the ground plane is attached to an upper surface of the lower dielectric substrate; the short-circuit line and the open-circuit line are attached to a rear surface and a front surface of the vertical dielectric substrate respectively; the hyperbolic microstrip balun feeder is attached to the front and rear surface of the vertical dielectric substrate; the isolation walls are located between the upper dielectric substrate and the lower dielectric substrate perpendicularly to an end of the radiation patch; and the ideal wave port is provided below the hyperbolic microstrip balun feeder.

Abstract: The three-stage axial flow degassing device adopts an efficient degassing technology including a vertical high speed swirling field, a horizontal rapid axial flow field and a vertical reversing scrubbing field formed by a combination of vertical tubes; the first-stage degasser performs the first-stage segmental vertical high speed swirling degassing operation, removes the gas phase carried by the gas-containing fluid, and forms a primary gas and a primary fluid; the microporous uniform mixer breaks bubbles of the primary fluid and forms a gas-liquid uniform mixed flow; the second-stage degasser performs the second-stage horizontal vane wheel swirling generating rapid axial flow degassing operation, removes the gas phase carried by the gas-liquid uniform mixed flow, and forms a secondary gas and a secondary fluid; the third-stage degasser performs the third-stage vertical reversing deep degassing operation, removes liquid phase carried by the secondary gas, and forms a tertiary gas and a tertiary fluid.

Abstract: The present disclosure provides for a flowable concentrate (FS) composition for forming a coating on an agricultural seed that includes an acrylic polymer having a glass transition temperature (Tg) of 0 to 35° C. measured according to ASTM D6604-00 (2017). In addition to the acrylic polymer, the FS composition further includes an agriculturally active compound, a water-soluble surfactant and water. The present disclosure also provides for a method of forming a coating on an agricultural seed using the FS composition and an agricultural seed coated with the FS composition of the present disclosure.

Abstract: Disclosed are a catalyst for preparing hydrocarbons from carbon dioxide by one-step hydrogenation and a method for preparing same. The catalyst includes nano-metal oxides and hierarchical zeolites, where the mass fraction of the nano-metal oxides in the catalyst is 10%-90%, and the mass fraction of the hierarchical zeolites in the catalyst is 10%-90%. The catalyst has excellent catalytic performance, good reaction stability and high selectivity for desired products, and in the hydrocarbons, C2=-C4= reach up to 80%, C5+ reach up to 80%, and aromatics reach up to 65%.

Abstract: Apparatuses and methods for pipelining memory operations with error correction coding are disclosed. A method for pipelining consecutive write mask operations is disclosed wherein a second read operation of a second write mask operation occurs during error correction code calculation of a first write mask operation. The method may further including writing data from the first write mask operation during the error correction code calculation of the second write mask operation. A method for pipelining consecutive operations is disclosed where a first read operation may be cancelled if the first operation is not a write mask operation. An apparatus including a memory having separate global read and write input-output lines is disclosed.

Abstract: A wireless communication method and apparatus, and a radio frequency subsystem are provided. The apparatus includes a local oscillator circuit, configured to provide a local oscillator signal; a radio frequency transmitter coupled to the local oscillator circuit, configured to send a first signal on a first carrier based on the local oscillator signal provided by the local oscillator circuit; a radio frequency receiver coupled to the local oscillator circuit, configured to receive a second signal on a second carrier based on a local oscillator signal of a same frequency as the local oscillator signal provided by the local oscillator circuit; and a digital frequency converter coupled to the radio frequency transmitter and the radio frequency receiver, configured to provide a digital frequency conversion operation to compensate for a frequency difference between a center frequency of the first carrier and a center frequency of the second carrier.

Abstract: A service invoking method, an apparatus, and the like are applied to a terminal device, such as a smartphone or an automated driving device. The method includes: When detecting a user input, the terminal device obtains at least one scenario feature used to describe a scenario in which the terminal device is currently located, determines, based on the user input and the at least one scenario feature, a first parameter associated with a service, and invokes the service based on the first parameter. Therefore, the foregoing method may be used to provide a service for a user based on user habits in different scenarios, to improve user experience.

Abstract: The present disclosure relates to a high-pitched loudspeaker, which widens the starting frequency of the high-pitched loudspeaker, and the high-pitched loudspeaker has a smoother intermediate frequency curve and less distortion. A high-pitched loudspeaker comprises a magnetic circuit system, a voice coil, and a diaphragm connected to the voice coil, wherein a first cavity is formed between the magnetic circuit system and the voice coil and the diaphragm, the high-pitched loudspeaker further comprises a back cover, the magnetic circuit system is arranged between the diaphragm and the back cover, and a second cavity is formed between the back cover and the magnetic circuit system, a through-hole is opened on the magnetic circuit system which communicates the first cavity and the second cavity to constitute an air gap cavity of the high-pitched loudspeaker.

Abstract: Methods are provided for modulating an abiotic stress response to drought in a plant, for example by introducing a heritable change to the plant, which alters the expression in the plant of an endogenous or exogenous protein that is a member of a particular gene family, the Kanghan genes. Similarly, plants and plants cells having such heritable changes are provided.

Abstract: A high-voltage electric pulse device for crushing pretreatment of ores includes an ore feeding bin, a pulse insulating barrel body, a supporting frame, a pulsation device, a product collector and a power supply. The pulse insulating barrel body and the pulsation device are assembled together, a pulsation insulating barrel body is connected with an actuating diaphragm, the actuating diaphragm is connected with an ore discharging outlet, a pulsation cone is arranged in the ore discharging outlet, the pulsation cone is hinged to a connecting rod, and the connecting rod is hinged to an eccentric wheel. Expanding and contracting devices are arranged on a cover plate, a copper bar of each expanding and contracting device is connected to a corresponding high-voltage ceramic capacitor through a high-voltage wire in parallel. A high-voltage negative pole is mounted on a screen cloth at the pulse insulating barrel body.

Abstract: A phase synchronization apparatus, a phase synchronization system, and a transceiver apparatus are disclosed to provide local oscillator signals with a same phase for each radio frequency transceiver chip in a multi-chip combination solution. The phase synchronization system includes a first radio frequency transceiver chip and a second radio frequency transceiver chip. The first radio frequency transceiver chip includes a first phase-locked loop and a first control circuit, and the second radio frequency transceiver chip includes a second phase-locked loop. The first phase-locked loop is configured to generate a first local oscillator signal, and the second phase-locked loop is configured to generate a second local oscillator signal.