Abstract: Provided are a coding method, a decoding method, a communication node, and a storage medium. The method includes determining to-be-coded attribute data of attribute information of a point cloud; determining a coding order of a current point in the point cloud; coding to-be-coded attribute data of the current point according to the coding order; and continuing to determine a coding order of a next current point in the point cloud, and coding to-be-coded attribute data of the next current point until all points in the point cloud are coded to obtain coded attribute data.

Abstract: The present disclosure provides a method for anti-tampering apparatus servicing data implemented by a calculation device connected to a target device, the method comprising: identifying a contract identification code and obtaining a contract package file and a contract authentication code from at least one remote device; obtaining a microservice file corresponding to the target device from the remote device when a device embedded code of the calculation device is matching the contract authentication code; performing the microservice file to enable the target device according to the contract package file and generate an execution report; publishing the execution report to the remote device to obtain an acceptance certification code; and combining and hashing the device embedded code, the contract authentication code and the acceptance certification code to generate a hash value, and sending the hash value to a blockchain.

Abstract: A power supply device is used to supply power to an electronic device. When the electronic device enters a shutdown process, a microprocessor module notifies the electronic device to unload power of at least one connection interface according to a monitoring condition, so that a main power continues to supply power to a system load of the electronic device. The monitoring condition includes that an energy storage element is discharged from an upper voltage limit value to a first monitoring voltage value. Subsequently, when the energy storage element is discharged from the first monitoring voltage value to a second monitoring voltage value, the microprocessor module turns off the main power.

Abstract: A buried concealable intelligent manhole cover includes a fixing frame arranged in a recessed cavity formed in ground, a manhole cover arranged on the fixing frame, a fixing ring fixed at an upper end of the fixing frame outside the manhole cover, a ground indication frame mounted on an upper end of the fixing ring; a plurality of elevation mechanisms arranged, at intervals, in an interior of the fixing frame, each of the elevation mechanisms having an end connected to an undersurface of the manhole cover; and an electrical power controller mounted on an outside surface of the fixing frame and is electrically connected to each of the elevation mechanisms, the electrical power controller including an electrical power receiving coil to receive electrical power transmitted from an electrical power transmitter of a wireless charger on the ground to activate each of the elevation mechanisms.

Abstract: A server system includes a rack, servers disposed in the rack and a heat dissipation module including a pump assembly, a main manifold assembly, heat exchange assemblies and a sub manifold assembly. The pump assembly is disposed in the rack. The main manifold assembly includes two main pipelines, one is connected to a main outlet of the pump assembly and inlets of the servers, and the other is connected to outlets of the servers and a main inlet of the pump assembly. The heat exchange assemblies are removably disposed in the rack. The sub manifold assembly includes two sub pipelines, one is connected to a sub outlet of the pump assembly and inlets of the heat exchange assemblies, and the other is connected to outlets of the heat exchange assemblies and a sub inlet of the pump assembly.

Abstract: A reconfiguration intelligent surface device and a beamforming method thereof, the beamforming method adapted to the reconfiguration intelligent surface device is described below. A timing synchronization signal is received. A frame boundary synchronized with a radio signal transmission/reflection device is established according to the timing synchronization signal. Beam control information is received. A reflected beam is formed by reflecting a radio signal beam transmitted or reflected by the radio signal transmission/reflection device according to the beam control information based on the frame boundary synchronized with the radio signal transmission/reflection device.

Abstract: The present disclosure discloses an imaging system and a sequencing system. The imaging system comprises an objective lens and image sensors. The image sensor comprises a first set of image sensors and a second set of image sensors. A first set of tube lenses are arranged between the objective lens and the first set of image sensors and are configured for enabling the imaging system to have a first depth of field when imaging a first surface; a second set of tube lenses are arranged between the objective lens and the second set of image sensors and are configured for enabling the imaging system to have a second depth of field when imaging a second surface. The first depth of field and the second depth of field are both smaller than a distance of displacement from the first surface to the second surface along the optical axis of the objective lens. The imaging system of the present disclosure can simultaneously achieve the acquisition of optical signals on two surfaces of a sample of interest and imaging.

Abstract: A bitstream processing technique includes obtaining a first parameter set identifier from a data unit containing bits corresponding to a coded video region, obtaining a tool flag from a first parameter set corresponding to the first parameter set identifier, determining, from the tool flag, that a tool parameter of a tool corresponding to the tool flag is present or enabled for decoding the coded video region, wherein the tool corresponds to a video coding technique, obtaining, based on the determining, a second parameter set identifier, obtaining the tool parameter from a second parameter set corresponding to the second parameter set identifier, and decoding the video region using the tool parameter.

Abstract: Methods and devices useful for determining the analyte concentration of a sample using output currents obtained from an input potential in the kinetic potential region of a redox mediator are disclosed. Preferably, the input potential used to generate the output currents from the kinetic potential region of the redox mediator is continually increasing with time after initiating the analysis. A method of selecting an initial input potential within the kinetic potential region of a redox mediator based on the sensitivity of an individual or batch of subcutaneously insertable test sensors also is described. A method of selecting an analysis input potential within the kinetic potential region of redox mediator based on the sensitivity of an individual subcutaneously inserted test sensor also is described where the analysis input potential is increased with insertion time.

Abstract: A package assembly includes a substrate, an electronic component and a cover. The electronic component and the cover are disposed on the substrate, wherein the electronic component is located within a chamber between the cover and the substrate. A cooling liquid may be filled in a heat dissipation space of the cover, so as to dissipate the heat generated by the electronic component. Furthermore, the cooling liquid may be filled in the chamber where the electronic component is located, so as to directly dissipate the heat generated by the electronic component.

Abstract: An aspect of the disclosure includes a communication system and a communication method using reconfigurable intelligent surface and a reconfigurable intelligent surface device. The communication system includes at least one base station, a reconfigurable intelligent surface device, and a control at one least device. The at least one base station respectively transmits at least one beam. The reconfigurable intelligent surface device is coupled to the at least one base station, and measures the at least one beam of the at least one base station to obtain signal measurement results associated with each of the at least one base station. The control device is coupled to the at least one base station. The control device groups the at least one base station and the reconfigurable intelligent surface device into at least one group according to the signal measurement results associated with each of the at least one base station.

Abstract: Provided are a point cloud quality evaluation method and device and a storage medium.

Abstract: A video decoding technique includes parsing a bitstream to determine a quantization parameter (QP) for a luma component of a region from a data unit of a parameter set included in the bitstream, determining a flag from the data unit of the parameter set, determining, in a case that the flag is equal to a first value, a QP for a chroma component of the region as a first function of the QP for the luma component and a default chroma delta QP indicated by the flag, determining, in a case that the flag is equal to a second value, the QP for the chroma component of the region by (a) obtaining a delta chroma QP from the data unit, and (b) determining the QP for the chroma component as a second function of the QP for the luma component and the delta chroma QP, and decoding the chroma component using the QP for the chroma component in a case that the parameter set is activated for decoding the region.

Abstract: Provided are a point cloud encoding method, a point cloud decoding method, a communication node, and a storage medium. The method includes predicting attribute information and generating a residual; quantizing the residual; performing run length encoding on the quantized residual to generate a run length value; for each run length value, selecting an entropy encoding strategy corresponding to a run length value to perform entropy encoding on the run length value; and processing the encoded run length value.

Abstract: Disclosed is a heat dissipation method for an electronic device. The electronic device includes a first fan and a power supply unit. The first fan generates airflow through the device. The power supply unit includes a second fan which generates airflow through the power supply unit. A speed of the first fan is controlled by a first current control data. A speed of the second fan is controlled by a second current control data. The control data of the first fan is determined according to the temperature control of electronic components of the server. The control data of the second fan is determined by considering that air backflow is generated in the power supply unit. The control data of the second fan is further determined by feeding back the control data of the first fan to the power supply unit and considering the temperature control of the power supply unit.

Abstract: A displacement measuring apparatus, a displacement measuring method and a photolithography device are disclosed. The displacement measuring apparatus includes a light source module (300), a diffractive member (200), a reader head assembly (100), an optical detection module (410, 411, 412, 413) and a signal analysis module (500). The reader head assembly (100) is configured to receive two input light beams (610, 611) from the light source module (300) and guide them so that they come into contact in parallel with the diffractive member (200) and are both diffracted. The diffracted input light beams are guided and combined to form at least one output light beam (612, 613, 614) each containing diffracted light signals respectively of the two input light beams (610, 611), which exit in the same direction from the same light spot location of the diffractive member (200).

Abstract: A method and network node for single user multiple input multiple output (SU-MEMO) codebook-based precoder selection and for rank adaptation are provided. According to one aspect, a method includes, for each one of a plurality of rank hypotheses: selecting a precoder matrix based on an uplink transmit covariance matrix; and estimating a respective information carrying capacity, ICC, for the rank hypothesis based at least in part on the selected precoder matrix. The method further includes selecting an uplink SU-MIMO precoding matrix based at least in part on the estimated ICC for each rank hypothesis.

Abstract: Disclosed is a method that is performed by a network node of a Radio Access Network, RAN, for allocating resources for an APeriodic Sounding Reference Signal, AP-SRS, the method including: creating a multiple dimension resource map for SRS resources, wherein each SRS resource index having a corresponding count, indicating the allocated amount of corresponding SRS resource index; counting the number of the allocated SRS resources for each downlink slot; selecting the downlink slot which has the minimum number of allocated SRS resources; counting the number of the allocated resources for each SRS slot; selecting the SRS slot which has the minimum allocated SRS resources; determining a valid SRS resource index or indexes with minimum allocated amount, for the selected downlink slot and SRS slot, based on 1-symbol or multi-symbol SRS user; allocating SRS resource having the valid SRS resource index or indexes.

Abstract: A method by a network node controls transmission of uplink APeriodic Sounding Reference Signals, AP-SRS. Sending to UEs in a same cell an AP-SRS configuration message comprising an offset corresponding to each UE. The offset defining after how many time slots from receiving a trigger signal each UE should transmit the AP-SRS. Prioritizing the UEs being triggered by the trigger signals in accordance with the sent corresponding offset.

Abstract: A package assembly includes a substrate, an electronic component and a cover. The electronic component and the cover are disposed on the substrate, wherein the electronic component is located within a chamber between the cover and the substrate. A cooling liquid may be filled in a heat dissipation space of the cover, so as to dissipate the heat generated by the electronic component. Furthermore, the cooling liquid may be filled in the chamber where the electronic component is located, so as to directly dissipate the heat generated by the electronic component.