Abstract: A method of ultrasound imaging and a corresponding ultrasound scanner are provided. The method includes the steps of receiving an echo signal induced by an ultrasonic plane wave transmission from a transducer of an ultrasound scanner, resampling the echo signal in time domain and/or space domain, performing a spectrum zooming on a band of interest (BOI) of an input signal, performing a Fourier transform on a result of the spectrum zooming, and generating an ultrasound image based on a result of the Fourier transform. The input signal is generated based on the resampling of the echo signal.

Abstract: A method includes determining an active region pattern density of a first region of an integrated circuit layout based on a total area of each active region in the first region and an area of the first region. The method includes determining an active region pattern density of a second region of the integrated circuit layout based on a total area of each active region in the second region and an area of the second region. The method includes determining an active region pattern density gradient between the first region to the second region. The method includes determining whether the first region or the second region includes a resistive device. The method includes modifying a portion of the resistive device to include an incremental resistor in response to the first region or the second region including the resistive device.

Abstract: The present disclosure proposes a hierarchical beamforming method and a base station and a user equipment using the same. The method includes following steps. A network entry procedure is performed via a plurality of coarse beams by using a superframe header of a superframe corresponding to each of the coarse beams. In response to a success message associated with the network entry procedure being received, a network entry done message is transmitted by using a preferred coarse beam among the coarse beams. A user equipment (UE) connection is performed via a plurality of fine beams within a direction range of the preferred coarse beam, so as to determine a preferred fine beam by using a frame header of a basic frame corresponding to each of the fine beams, and perform a data packet transmission by using a packet transmission block of the basic frame corresponding to the preferred fine beam.

Abstract: According to an exemplary embodiment, an ultrasound apparatus for beamforming with a plane wave transmission may comprise a transceiver connected to a transducer array having at least one transducer element, and at least one processor. The transceiver transmits at least one substantially planar ultrasonic wave into a target region at one or more angles relative to the transducer array, and receives one or more signals responsive from the transducer array. The at least one processor applies a fast Fourier transform (FFT) to the one or more signals from each of the at least one transducer element and calculates at least one frequency within a frequency region, and applies an inverse FFT to at least one produced frequency data.

Abstract: A method of forming a lignin-based biomass epoxy resin is provided, which includes: (a) mixing a lignin, an acid anhydride compound, and a solvent to react for forming a first intermediate product, (b) reacting the first intermediate compound with a first polyol to form a second intermediate compound, and (c) reacting the second intermediate compound with an epoxy compound to form a lignin-based biomass epoxy resin.

Abstract: A method includes determining an active region pattern density of a first region of an integrated circuit layout based on a total area of each active region in the first region and an area of the first region. The method includes determining an active region pattern density of a second region of the integrated circuit layout based on a total area of each active region in the second region and an area of the second region. The method includes determining an active region pattern density gradient between the first region to the second region. The method includes determining whether the first region or the second region includes a resistive device. The method includes modifying a portion of the resistive device to include an incremental resistor in response to the first region or the second region including the resistive device.

Abstract: A semiconductor device includes a first semiconductor structure having a first active region pattern density. The semiconductor device further includes a second semiconductor structure having a second active region pattern density, wherein the second semiconductor structure comprises a first resistive element. The semiconductor device further includes a third semiconductor structure having a third active region pattern density, wherein the third semiconductor structure includes a second resistive element. The second semiconductor structure is adjacent to the first semiconductor structure and adjacent to the third semiconductor structure. The first semiconductor structure, the second semiconductor structure and the third semiconductor structure do not overlap.

Abstract: One or more circuit arrangements and techniques for modeling are provided. In some embodiments, a circuit arrangement includes at least one of a first current source, a second current source, a first diode, a second diode, and a switching component. In some embodiments, the switching component includes a bipolar junction transistor (BJT). In some embodiments, the circuit arrangement is integrated into a metal oxide semiconductor (MOS) device. When the circuit arrangement is integrated into a MOS device, at least one of a substrate current leakage, a junction breakdown, or a diode reverse recovery (DRR) effect is predictable for the MOS device.

Abstract: A semiconductor device includes a first semiconductor structure having a first active region pattern density. The semiconductor device further includes a second semiconductor structure having a second active region pattern density, wherein the second semiconductor structure comprises a first resistive element. The semiconductor device further includes a third semiconductor structure having a third active region pattern density, wherein the third semiconductor structure includes a second resistive element. The second semiconductor structure is adjacent to the first semiconductor structure and adjacent to the third semiconductor structure. The first semiconductor structure, the second semiconductor structure and the third semiconductor structure do not overlap.

Abstract: The invention provides a driving circuit applied in a LCD apparatus. The driving circuit includes N first channels, N second channels, 2N first switching units, and 2N second switching units. N is a positive integer and N?2. N second channels correspond to N first channels. When the driving circuit is operated under a first operation mode, N first switching units in the N first channels switch to connect with the corresponding N second channels, and the other N first switching units in the N second channels switch to connect with the corresponding N first channels according to a control signal respectively. N second switching units in the N first channels switch to connect with the corresponding N second channels, and the other N second switching units in the N second channels switch to connect with the corresponding N first channels according to a control signal respectively.

Abstract: A method of ultrasound imaging and a corresponding ultrasound scanner are provided. The method includes the steps of receiving an echo signal induced by an ultrasonic plane wave transmission from a transducer of an ultrasound scanner, resampling the echo signal in time domain and/or space domain, performing a spectrum zooming on a band of interest (BOI) of an input signal, performing a Fourier transform on a result of the spectrum zooming, and generating an ultrasound image based on a result of the Fourier transform. The input signal is generated based on the resampling of the echo signal.

Abstract: The present disclosure proposes a hierarchical beamforming method and a base station and a user equipment using the same. The method includes following steps. A network entry procedure is performed via a plurality of coarse beams by using a superframe header of a superframe corresponding to each of the coarse beams. In response to a success message associated with the network entry procedure being received, a network entry done message is transmitted by using a preferred coarse beam among the coarse beams. A user equipment (UE) connection is performed via a plurality of fine beams within a direction range of the preferred coarse beam, so as to determine a preferred fine beam by using a frame header of a basic frame corresponding to each of the fine beams, and perform a data packet transmission by using a packet transmission block of the basic frame corresponding to the preferred fine beam.

Abstract: A method of forming a lignin-based biomass epoxy resin is provided, which includes: (a) mixing a lignin, an acid anhydride compound, and a solvent to react for forming a first intermediate product, (b) reacting the first intermediate compound with a first polyol to form a second intermediate compound, and (c) reacting the second intermediate compound with an epoxy compound to form a lignin-based biomass epoxy resin.

Abstract: A fuel efficiency analysis system is provided, which includes a capture device, an analysis process unit and a transform unit. The capture device captures driving data of automobile which is driven by a driver during at least one driving course, the analysis process unit analyzes the driving data to obtain inefficient driving period, and processes the inefficient driving period to generate a plurality of driving time intervals, and the transform unit transforms the plurality of driving time intervals into a plurality of driving efficiencies, and then the plurality of driving efficiencies is transformed into ODE (overall driving effectiveness). A method for analyzing fuel efficiency is also disclosed.

Abstract: In some embodiments, in a method, a netlist is received. The netlist comprises a subcircuit that comprises a device and a rule check module. The rule check module specifies a plurality of terminals of the device subject to an operating space, and at least one parameter that controls a non-rectangular boundary of the operating space. The netlist is simulated to obtain simulation data associated with the terminals of the device. The operating space that has the non-rectangular boundary is formed by using the at least one parameter. The simulation data is checked against the operating space. A situation in which the checked simulation data does not fall within the operating space is reflected.

Abstract: In some embodiments, in a method, a netlist is received. The netlist comprises a subcircuit that comprises a device and a rule check module. The rule check module specifies a plurality of terminals of the device subject to an operating space, and at least one parameter that controls a non-rectangular boundary of the operating space. The netlist is simulated to obtain simulation data associated with the terminals of the device. The operating space that has the non-rectangular boundary is formed by using the at least one parameter. The simulation data is checked against the operating space. A situation in which the checked simulation data does not fall within the operating space is reflected.

Abstract: One or more circuit arrangements and techniques for modeling are provided. In some embodiments, a circuit arrangement includes at least one of a first current source, a second current source, a first diode, a second diode, and a switching component. In some embodiments, the switching component includes a bipolar junction transistor (BJT). In some embodiments, the circuit arrangement is integrated into a metal oxide semiconductor (MOS) device. When the circuit arrangement is integrated into a MOS device, at least one of a substrate current leakage, a junction breakdown, or a diode reverse recovery (DRR) effect is predictable for the MOS device.

Abstract: According to an exemplary embodiment, an ultrasound apparatus for beamforming with a plane wave transmission may comprise a transceiver connected to a transducer array having at least one transducer element, and at least one processor. The transceiver transmits at least one substantially planar ultrasonic wave into a target region at one or more angles relative to the transducer array, and receives one or more signals responsive from the transducer array. The at least one processor applies a fast Fourier transform (FFT) to the one or more signals from each of the at least one transducer element and calculates at least one frequency within a frequency region, and applies an inverse FFT to at least one produced frequency data.

Abstract: A method for assisting with the transmission of TCP packets, which is used in a wireless communication system, including: receiving a plurality of TCP packets from a TCP packet sender and transmitting the TCP packets to a receiver proxy; transmitting a feedback packet to a sender proxy when receiving a TCP packet; calculating a round trip time (RTT) between the sender proxy and the receiver proxy when receiving the feedback packet, and comparing a RTT threshold and the RTT between the sender proxy and receiver proxy; determining whether a network between the sender proxy and the receiver proxy is in a congestion state according to the result of the comparison between the RTT threshold and the RTT; and dropping a TCP packet when the network is in the congestion state.

Abstract: The voltage level shifter includes a first voltage shift circuit, a second voltage shift circuit, a first switch circuit, a second switch circuit, a third switch circuit and a fourth switch circuit. The first voltage shift circuit receives a first input voltage, and the second voltage shift circuit receives a second voltage shift circuit. When the first voltage is high level voltage, a second output voltage and a first voltage are transformed to a ground voltage so as to open the second switch circuit and the fourth switch circuit, and then the first output voltage is transited to a system voltage. When the second voltage is high level voltage, a first output voltage and a second voltage are transited to a ground voltage so as to open the first switch circuit and the third switch circuit, and then the second output voltage is transited to the system voltage.