Abstract: An aircraft includes a propulsion system, a sensor system, a control system, and a processing system including a memory and a processor. The memory is configured to store computer-executable instructions. The processor is configured to access the memory and to execute the computer-executable instructions to perform the following steps: obtaining a set of first weights of a processing unit of a neural network; ternarizing each weight included in the set of first weights to obtain a set of second weights; generating an output of the processing unit based on the set of second weights and a set of inputs of the processing unit; and training weights included in the set of first weights of the processing unit of the neural network based on an error cost function including an error term and a structurally sparse term.

Abstract: The present invention relates to the field of touch technologies, and provides a force detection method, apparatus and device. The force detection method includes: receiving a deformation caused by external force and identified by at least one sensing electrode, and converting the deformation into a corresponding raw feature value characterized by an electrical signal, wherein the raw feature value corresponds to the force; and calculating force information fed back by the at least one sensing electrode according to the raw feature value of the at least one sensing electrode. With the force detection method, apparatus and device according to the invention, when a plurality of positions is pressed by force, the force information at each position may be accurately acquired. In practice, multi-finger press detection may be implemented on the touch screen by using fewer electrodes, thereby reducing the cost and improving the user experience.

Abstract: Methods and systems are described for frequency domain correction, time domain correction, and combinations thereof. Each Long Term Evolution (LTE) uplink residual frequency offset can be determined with less than 1 part per billion accuracy simultaneously and used for frequency offset correction. The disclosed method utilizes the same modulated signals for data and control as the 3GPP LTE wireless standard and can be embedded directly into the base station (downlink) PHY without additional hardware. The use of the disclosed methods provide multiple ways to simultaneously improve the uplink data throughput for every user in an LTE multiple access wireless system.

Abstract: Systems and methods for canceling carrier frequency offset (CFO) and sampling frequency offset (SFO) in a radio receive chain are disclosed. In one embodiment, a method is disclosed, comprising: receiving a sub-frame via a radio receive chain in a time domain; performing per-user filtering on the sub-frame to obtain a signal for a particular user; obtaining a CFO correction signal; adding the CFO correction signal in the time domain to perform a CFO correction step on the signal for the particular user; performing an FFT on the output of the CFO correction step to obtain samples in a frequency domain; adding an SFO correction signal in the frequency domain to perform an SFO correction to the output of FFT step; and demodulating the output of SFO correction step, thereby performing CFO and SFO correction while reducing inter-carrier interference (ICI).

Abstract: A synchronizing radio receiver is disclosed, comprising: an analog baseband receive chain and a digital baseband receive chain. The digital baseband receive chain may comprise an analog to digital converter, a frame synchronization module, a frequency synchronization module, and an orthogonal frequency division multiplexing (OFDM) demodulator, wherein the frequency synchronization module is configured to cross-correlate a plurality of in-phase and quadrature samples to generate a synchronization signal and output the synchronization signal to a local oscillator in the analog baseband receive chain. The digital baseband receive chain may also further comprise a carrier frequency offset (CFO)/sampling frequency offset (SFO) correction module coupled to a frequency synchronization module configured to cross-correlate a plurality of in-phase and quadrature samples, with the CFO/SFO correction module configured to apply correction in a digital domain before outputting a corrected signal to the OFDM demodulator.

Abstract: Systems and methods for canceling carrier frequency offset (CFO) and sampling frequency offset (SFO) in a radio receive chain are disclosed. In one embodiment, a method is disclosed, comprising: receiving a sub-frame via a radio receive chain in a time domain; performing per-user filtering on the sub-frame to obtain a signal for a particular user; obtaining a CFO correction signal; adding the CFO correction signal in the time domain to perform a CFO correction step on the signal for the particular user; performing an FFT on the output of the CFO correction step to obtain samples in a frequency domain; adding an SFO correction signal in the frequency domain to perform an SFO correction to the output of FFT step; and demodulating the output of SFO correction step, thereby performing CFO and SFO correction while reducing inter-carrier interference (ICI).

Abstract: Disclosed is a pharmaceutical composition, comprising a first component and a second component, wherein the first component is selected from at least one of a farnesoid X receptor agonist and a precursor, an active metabolite, a stereoisomer, a pharmaceutically acceptable salt, an ester and a solvate thereof; and the second component is selected from at least one of a NPC1L1 receptor inhibitor and a precursor, an active metabolite, a stereoisomer, a pharmaceutically acceptable salt, an ester and a solvate thereof. The composition can be used in preventing and/or treating non-alcoholic fatty liver disease, diabetes or cardiovascular disease.

Abstract: A display substrate, an Organic Light Emitting Diode (OLED) display device and a manufacturing method for the display substrate. The display substrate includes a plurality of pixel units located on a substrate and filter functional units corresponding to the pixel units. Each filter functional unit includes at least three micro-cavity structures, wherein the cavity lengths of the three micro-cavity structures in the direction of a vertical substrate are different, only light with a specific wavelength can penetrate through the micro-cavity structures with different cavity lengths, and the cavity lengths of micro-cavity structures corresponding to similar sub-pixel units of the pixel units are the same.

Abstract: The present invention relates to the field of touch technologies, and provides a force detection method, apparatus and device. The force detection method includes: receiving a deformation caused by external force and identified by at least one sensing electrode, and converting the deformation into a corresponding raw feature value characterized by an electrical signal, wherein the raw feature value corresponds to the force; and calculating force information fed back by the at least one sensing electrode according to the raw feature value of the at least one sensing electrode. With the force detection method, apparatus and device according to the invention, when a plurality of positions is pressed by force, the force information at each position may be accurately acquired. In practice, multi-finger press detection may be implemented on the touch screen by using fewer electrodes, thereby reducing the cost and improving the user experience.

Abstract: Systems and methods for canceling carrier frequency offset (CFO) and sampling frequency offset (SFO) in a radio receive chain are disclosed. In one embodiment, a method is disclosed, comprising: receiving a sub-frame via a radio receive chain in a time domain; performing per-user filtering on the sub-frame to obtain a signal for a particular user; obtaining a CFO correction signal; adding the CFO correction signal in the time domain to perform a CFO correction step on the signal for the particular user; performing an FFT on the output of the CFO correction step to obtain samples in a frequency domain; adding an SFO correction signal in the frequency domain to perform an SFO correction to the output of FFT step; and demodulating the output of SFO correction step, thereby performing CFO and SFO correction while reducing inter-carrier interference (ICI).

Abstract: A pressing assembly includes a button, a first connection portion, a receiving portion, a first elastic element, a pressing rod, and a pressing portion. The first connection portion includes a first end movably connected to the button and a second end connected to the receiving portion. The receiving portion defines a receiving space. A part of the pressing rod is movably received in the receiving space. The first elastic element is received in the receiving space. One end of the first elastic element is fixed, another end of the first elastic element resists the pressing rod. The pressing portion is connected to the pressing rod.

Abstract: This application discloses a novel process to synthesize 8-[{1-(3,5-Bis-(trifluoromethyl)phenyl)-ethoxy}-methyl]-8-phenyl-1,7-diaza-spiro[4.5]decan-2-one compounds, which may be used, for example, as NK-1 inhibitor compounds in pharmaceutical preparations, intermediates useful in said process, and processes for preparing said intermediates; also disclosed is a process for removal of metals from N-heterocyclic carbine metal complexes.

Abstract: A display substrate, an Organic Light Emitting Diode (OLED) display device and a manufacturing method for the display substrate. The display substrate includes a plurality of pixel units located on a substrate and filter functional units corresponding to the pixel units. Each filter functional unit includes at least three micro-cavity structures, wherein the cavity lengths of the three micro-cavity structures in the direction of a vertical substrate are different, only light with a specific wavelength can penetrate through the micro-cavity structures with different cavity lengths, and the cavity lengths of micro-cavity structures corresponding to similar sub-pixel units of the pixel units are the same.

Abstract: A synchronizing radio receiver is disclosed, comprising: an analog baseband receive chain and a digital baseband receive chain. The digital baseband receive chain may comprise an analog to digital converter, a frame synchronization module, a frequency synchronization module, and an orthogonal frequency division multiplexing (OFDM) demodulator, wherein the frequency synchronization module is configured to cross-correlate a plurality of in-phase and quadrature samples to generate a synchronization signal and output the synchronization signal to a local oscillator in the analog baseband receive chain. The digital baseband receive chain may also further comprise a carrier frequency offset (CFO)/sampling frequency offset (SFO) correction module coupled to a frequency synchronization module configured to cross-correlate a plurality of in-phase and quadrature samples, with the CFO/SFO correction module configured to apply correction in a digital domain before outputting a corrected signal to the OFDM demodulator.

Abstract: A tile or plate, includes: an upper plate (3) and a lower plate (4); wherein a plurality of heat conducting cavities (6) are uniformly provided between the upper plate (3) and the lower plate (4) via connecting ribs (5). A solar collection layer is provided on an upper surface of the tile or the plate. Two ends of the tile or the plate are connected with each of the plurality of the heat conducting cavities (6) via transverse connecting pipes (23, 37, 42). The transverse connecting pipes (23, 37, 42) of two neighboring tiles are connected by a ferrule (17) or a hose (36) to form an integrated circulation system. The tile or plate has a large day-lighting area and a high energy conversion rate.

Abstract: Methods and systems are described for frequency domain correction, time domain correction, and combinations thereof. Each Long Term Evolution (LTE) uplink residual frequency offset can be determined with less than 1 part per billion accuracy simultaneously and used for frequency offset correction. The disclosed method utilizes the same modulated signals for data and control as the 3GPP LTE wireless standard and can be embedded directly into the base station (downlink) PHY without additional hardware. The use of the disclosed methods provide multiple ways to simultaneously improve the uplink data throughput for every user in an LTE multiple access wireless system.

Abstract: Systems and methods are disclosed herein for blind frequency synchronization. In one embodiment, a method is disclosed, comprising: downconverting a received orthogonal frequency division multiplexed (OFDM) signal to baseband; identifying, from the downconverted received signal, a series of OFDM symbols in the time domain; performing a fast Fourier transform (FFT) on a block of several time domain samples to turn the time domain OFDM symbols into frequency domain OFDM symbols, one sample per subcarrier in the received OFDM signal; computing a cross-correlation between in-phase and quadrature samples in each subcarrier and for each frequency domain OFDM symbol, wherein the cross-correlation may be computed as a sum of products of either squares or absolute values of the in-phase and quadrature samples; and summing the computed cross-correlation across the series of symbols and across all subcarriers to determine a frequency offset for the received OFDM signal.

Abstract: A multi-router system is described in which hardware and software components of one or more standalone routers can be partitioned into multiple logical routers. The multiple logical routers are isolated from each other in terms of routing and forwarding functions yet allow network interfaces to be shared between the logical routers. Moreover, different logical routers can share network interfaces without impacting the ability of any of the logical routers to be independently scaled to meet the bandwidth demands of the customers serviced by the logical router.

Abstract: A driving system for a multi-energy power supply motor comprises a distributed power supply, a frequency converter, a public power grid, and a motor load. The distributed power supply is connected to a direct-current bus of the frequency converter, and is used for acquiring and transmitting a direct current to the frequency converter. The frequency converter comprises a first bidirectional current transformer, an inverter, and a direct-current bus. The first bidirectional current transformer is connected to the inverter through the direct-current bus. The first bidirectional current transformer is connected to the public power grid. The inverter is connected to the motor load. The distributed power supply, the public power grid and the motor load are separately connected to the frequency converter.

Abstract: This application discloses a novel process to synthesize 8-[{1-(3,5-Bis-(trifluoromethyl)phenyl)-ethoxy}-methyl]-8-phenyl-1,7-diaza-spiro[4.5]decan-2-one compounds, which may be used, for example, as NK-1 inhibitor compounds in pharmaceutical preparations, intermediates useful in said process, and processes for preparing said intermediates; also disclosed is a process for removal of metals from N-heterocyclic carbine metal complexes.