Abstract: An apparatus includes a transceiver configured to receive, over a wireless communication channel, at least one controlled-noise signal. The apparatus also includes a processor, operatively coupled to the transceiver. The processor is configured to train, based on the at least one controlled-noise signal, a noise prediction model for the wireless communication channel, and generate, based on the trained noise prediction model, a noise prediction for the wireless communication channel. The processor is also configured to determine, based on the received at least one controlled-noise signal and the noise prediction, a score function for the wireless communication channel.

Abstract: The present disclosure relates to an in-plane two-dimensional translational optical actuator. The in-plane two-dimensional translational optical actuator includes a fixed plate, a translational plate, i elastic assemblies located between the fixed plate and the translational plate and with two ends connected to the fixed plate and the translational plate respectively, and j electromagnetic drive assemblies fixed between the fixed plate and the translational plate. Each elastic assembly is composed of elastic elements of the same or different quantities, and at least one elastic assembly in the i elastic assemblies has two or more elastic elements. The j electromagnetic drive assemblies are disposed in a plane in two different directions, and used to drive the translational plate to move relative to the fixed plate within a plane where the translational plate is located in two different directions, so as to achieve two-dimensional translation of the translational plate.

Abstract: Disclosed is the use of dihydroporphin derived from chlorophyll as a plant growth regulator. Compared with the prior art, a class of new type plant growth regulators are provided; since the direct decomposition product of chlorophyll is used as a product, the preparation and processing thereof are easier, the structure is relatively simple, and tedious reactions and preparations such as further chemical coordination/chelation/purification are eliminated, so that the product is more environmentally friendly and safer; the product has a better solubility than the corresponding metal chelate and has a more convenient method of use, making it more convenient to be used in the fields; the stability of the product has been improved, with stable quality assurance and a longer shelf life; the product has a natural source and uses a low amount of same due to a low effective dosage, thereby improving the utilization rate of silkworm excrement resources.

Abstract: In an embodiment, a power delivery system includes a first current limiter and a second current limiter in parallel with each other, wherein a direct current (DC) voltage is provided to each of the first current limiter and the second current limiter; a first transformer electrically coupled to the first current limiter; a second transformer electrically coupled to the second current limiter; first differential signal traces electrically coupled to the first transformer; and second differential signal traces electrically coupled to the second transformer, wherein the DC voltage is transmitted from the first transformer to the first differential signal traces simultaneous with the DC voltage being transmitted to the second differential signal traces by the second transformer.

Abstract: A solar cell, a method for preparing the same and an electrical device are provided. The method for preparing the solar cell includes following steps: providing a substrate, which includes a first surface and a second surface opposite to the first surface; forming a protective material layer on the first surface, and removing part of the protective material layer on a preset first doped region to prepare a protective layer; performing a first doping process in the preset first doped region on the substrate to prepare a substrate including a first doped region. A width of the first doped region is in a range of 10 ?m to 35 ?m.

Abstract: Methods and apparatuses for an operation for a channel state information upsampling in a wireless communication system. A method of BS includes: receiving, from a UE, feedback information including at least one SB level precoder; identifying, based on the at least one SB level precoder, a mapping function to perform an up-sampling operation; performing, based on the mapping function, the up-sampling operation to the at least one SB level precoder; and identifying, based on the up-sampling operation, at least one RB level precoder from the at least one SB level precoder for a precoder gain of the BS.

Abstract: An electronic device includes a transceiver configured to receive information related to an action request or rule. The electronic device further includes a processor operatively coupled to the transceiver. The processor is configured to determine that the action is location based, and identify a zone within which the electronic device is located. The identification of the zone is based on at least one of a first reception by the transceiver of at least one signal indicative of a location of the electronic device, and a second reception by the transceiver of at least one response to a transmission of a signal indicative of a location of the electronic device. The processor is further configured to trigger an action based on the action request or rule and the identified zone.

Abstract: Disclosed are a double-sided solar cell and a preparation method therefor. The double-sided solar cell comprises: a silicon wafer having a PN junction, and a front first silicon oxide layer, a front second silicon oxide layer, a front first nitrogen-containing silicon compound layer, a front second nitrogen-containing silicon compound layer, and a front third silicon oxide layer that are located on one side of an N-type layer of the silicon wafer and are sequentially stacked along a direction away from the silicon wafer; and a passivation layer, a back silicon oxide layer, a back first nitrogen-containing silicon compound layer, and a back second nitrogen-containing silicon compound layer that are located on one side of a P-type layer of the silicon wafer and are sequentially stacked along the direction away from the silicon wafer.

Abstract: A volume measurement method includes: receiving multiple pulse signals when a device under test (DUT) starts passing through a sensing gate; recording multiple X-axis values corresponding to multiple positions of the DUT in response to each pulse signal, and reading the multiple sensing data to calculate a Y-axis value and a Z-axis value corresponding to each X-axis value, wherein the multiple sensing data is obtained by sensing the DUT through the sensing gate; recording a maximum X-axis value corresponding to a final position of the DUT in response to a final pulse signal when the DUT finishes passing through the sensing gate; setting the maximum of the multiple Y-axis values corresponding to the multiple X-axis values as a maximum Y-axis value, and setting the maximum of the multiple Z-axis values corresponding to the multiple X-axis values as a maximum Z-axis value; and calculating a volume of the DUT based on the maximum X-axis value, the maximum Y-axis value and the maximum Z-axis value.

Abstract: A solar cell and a preparation method thereof are provided. A method for preparing the solar cell includes following steps: forming an amorphous silicon layer on a tunneling oxide layer at a first side; forming a doped polycrystalline silicon layer in a first process by a diffusion doping treatment; forming a doped oxide layer on the doped polycrystalline silicon layer in a second process; and after the doped oxide layer is formed, doping the first side selectively and heavily by a laser doping process, and forming a selective emitter region in a heavily doped region.

Abstract: A solar cell and a method for preparation the solar cell are provided. The solar cell includes a semiconductor substrate, a hole transport layer and an electronic transport layer, a first passivation layer and a second passivation layer. The semiconductor substrate includes a first surface and a second surface opposite to each other. The hole transport layer and the electronic transport layer are disposed on the first surface at interval. A material of the hole transport layer includes vanadium oxide, and a material of the electronic transport layer includes titanium oxide. The first passivation layer is located on a surface of the hole transport layer away from the semiconductor substrate. A surface of the first passivation layer away from the semiconductor substrate, a surface of the electronic transport layer away from the semiconductor substrate, and the first surface are all covered by the second passivation layer.

Abstract: The present application provides a preparation method and application of a crystalline silicon solar cell having a shallow junction diffusion emitter. The preparation method comprises a diffusion process and a chain oxidation process, the diffusion process comprises low temperature diffusion and high temperature propulsion, and the chain oxidation process comprises high-temperature chain oxidation. According to the present application, firstly, a low-doped diffusion shallow junction having a depth of 0.15 um is prepared by means of optimization of the diffusion process, and doping with a certain dose concentration is formed on the surface of a diffusion layer by using photon thermal activation radiation energy of high-temperature chain oxidation, so as to solve the mismatch problem of alloy ohmic contact subsequently formed with silver paste, and finally, the photoelectric conversion efficiency is improved to a high degree.

Abstract: Disclosed are a carbon capture material prepared by needle-tube microfluidics and a preparation method thereof. The carbon capture material includes a sorbent and a microencapsulating shell, the sorbent includes one of an aqueous potassium carbonate solution or an aqueous ethanolamine solution or an aqueous ethanolamine solution containing graphene sheets, and the aqueous potassium carbonate solution or the aqueous ethanolamine solution or the aqueous ethanolamine solution containing graphene sheets is prepared by a microfluidic device. One of the aqueous potassium carbonate solution or the aqueous ethanolamine solution or the aqueous ethanolamine solution containing graphene sheets is used as a sorbent to prepare carbon capture particles by the microfluidic technology for the first time.

Abstract: A method includes generating relationship information representing spatial relationships between network elements in a wireless communication network. The method also includes dividing the relationship information into multiple communities of network elements, wherein network elements within each community have a higher correlation than network elements in different communities. The method also includes identifying, for a target network element, one or more community level key network elements and one or more local key network elements in the relationship information. The method also includes predicting traffic at the target network element using a temporal-spatial algorithm, wherein the temporal-spatial algorithm predicts the traffic based on temporal features derived from historical data and spatial features derived from the one or more community level key network elements and the one or more local key network elements.

Abstract: The presently disclosed subject matter provides methods for continuously generating uniform polyelectrolyte complex (PEC) nanoparticles comprising: flowing a first stream comprising one or more water-soluble polycationic polymers at a first variable flow rate into a confined chamber; flowing a second stream comprising one or more water-soluble polyanionic polymers at a second variable flow rate into the confined chamber; and impinging the first stream and the second stream in the confined chamber until the Reynolds number is from about 1,000 to about 20,000, thereby causing the one or more water-soluble polycationic polymers and the one or more water-soluble polyanionic polymers to undergo a polyelectrolyte complexation process that continuously generates PEC nanoparticles. Compositions produced from the presently disclosed methods and a device for producing the compositions are also disclosed.

Abstract: A control system includes a plurality of driving circuits coupled in series, which include a first driving circuit and a second driving circuit. The first driving circuit includes a first receiver, a first transmitter and a first flag signal selector. The first transmitter is coupled to the first receiver, and the first flag signal selector is coupled between the first receiver and the first transmitter. The second driving circuit, coupled to the first driving circuit, includes a second receiver, a second transmitter and a second flag signal selector. The second transmitter is coupled to the second receiver, and the second flag signal selector is coupled between the second receiver and the second transmitter.

Abstract: A collaborative scheduling method for high-rise elevators based on Internet of Things is provided. The method includes: obtaining the number of people carried at the current moment of each elevator in the elevator group, the target distance corresponding to the current moment of each elevator, and the number of people waiting at the current moment of each floor; predicting the number of people waiting for the going up and the number of people waiting for the going down at the current moment of each floor based on the monitoring video data of the elevator door every day in the preset historical days, and constructing the corresponding feature vectors of each elevator at the current moment and the corresponding feature vectors of the skyscraper at the current moment, and then obtaining the corresponding state vectors at the current moment, controlling each elevator based on state vector and a reinforcement learning network.

Abstract: A method includes generating multiple embedded features representing operational data of network elements in a wireless communication network. The method also includes generating a relationship graph based on the embedded features, the relationship graph representing behavior of the network elements in the wireless communication network. The method also includes detecting one or more anomalies in the wireless communication network using the relationship graph, the one or more anomalies identifying one or more deviations of one or more of the network elements from an expected behavior of the one or more network elements. The method also includes generating network analytics based on the one or more detected anomalies.

Abstract: A solar battery, a method for preparing the same and a use thereof are provided. The solar battery includes a substrate. A side of the substrate is successively provided with an emission layer, a first passivating layer and a first antireflection layer, and the other surface of the substrate is successively provided with a passivating contact structure and a second antireflection layer. A material of the first passivating layer includes gallium oxide. The method for preparing the solar battery includes: successively preparing an emission layer, a first passivating layer and a first antireflection layer on a side of the substrate, and successively preparing a passivating contact structure and a second antireflection layer on the other side of the substrate. The solar battery can be used as a power supply.

Abstract: Disclosed are methods, devices and materials for the in situ formation of an implant for treating a nerve. A treatment site on a nerve is positioned within a cavity defined by a form. A transformable media is introduced into the form cavity to surround the treatment site. The media is permitted to undergo a transformation from a first, relatively flowable state to a second, relatively non flowable state to form a protective barrier surrounding the treatment site. The implant may be a growth inhibiting nerve cap to inhibit neuroma formation following planned or traumatic nerve injury, a growth permissive conduit for facilitating reconnection of a severed nerve, or an anchor for stabilizing a pain management electrode with respect to a nerve. Access to the nerve treatment site may be open surgical or percutaneous.