68 results about "Signal multiplexing" patented technology

A multi-master control circuit includes signal switch, D-type flip-flop, and multiplexer. The signal switch outputs switching signals based on a first control signal generated by a first processor or a second control signal generated by a second processor. The D-type flip-flop includes clock input, signal input, signal output, and inverted signal output. The clock input is coupled to the signal switch to receive the switching signals, and the inverted signal output is coupled to the signal input. Upon triggering by the switching signals, the signal output of the D-type flip-flop generates a selection signal. The multiplexer receives a first access signal generated by the first processor and a second access signal generated by the second processor. The multiplexer is coupled to the signal output of the D-type flip-flop to receive the selection signal and output either the first access signal or the second access signal based on the selection signal.

The present disclosure provides a signal multiplexing method / apparatus / device and storage medium, belonging to the technical field of communication. A relay device can determine corresponding transceiving resources of a first signal and a second signal, the first signal can be an uplink signal forwarded by the relay device and / or a downlink signal forwarded by the relay device, and the second signal can be an uplink signal and / or a downlink signal directly interacted between the relay device and a base station, and then transceiving the first signal and the second signal based on the transceiving resources of the first signal and the second signal respectively. The method provided in the present disclosure can distinguish the first signal forwarded by the relay device and the second signal directly interacted between the relay device and the base station, and will transceive the two types of signals respectively.

An optical communication device includes a signal multiplexing unit that multiplexes a plurality of client signals and a signal transmission unit that converts a first multiplexed signal obtained by the multiplexing to an optical signal and transmits the optical signal. The optical communication device is a device capable of receiving data traffic greater than data traffic corresponding to a predetermined communication bandwidth.

The invention relates to the technical field of swimming pool signal transmission, and discloses a power line multiplexing signal transmission system based on a swimming pool water environment. The system comprises a water environment parameter acquisition module, an equipment state monitoring module, a signal multiplexing decision module and a signal transmission control module. The water environment parameter acquisition module acquires swimming pool water quality parameters in real time, generates a water quality abnormal signal and triggers an equipment monitoring instruction; after receiving the instruction, the equipment state monitoring module collects running state parameters of the water treatment equipment and generates an equipment state evaluation value through state evaluation analysis; a signal multiplexing decision module performs transmission mode analysis on the signal and the evaluation value to generate a power line multiplexing mode instruction; the signal transmission control module analyzes the instruction and generates a carrier frequency control parameter and a signal modulation parameter. The system realizes signal multiplexing transmission through the power line, reduces line cost and electromagnetic interference, ensures accurate and stable data transmission, assists in improving swimming pool management efficiency, and adapts to efficient operation requirements.

The utility model relates to a hardware decoupling circuit of a power module temperature output and protection signal multiplexing pin, comprising a power module composite pin which has a temperature signal output function and a fault signal output function; the decoupling circuit is connected with the power module composite pin and is used for decoupling the temperature signal and the fault signal output by the power module composite pin, so that the temperature signal and the fault signal output by the power module composite pin are separated and can be independently output; wherein the decoupling circuit is formed by connecting a triode Q1, a resistor assembly, a capacitor assembly, a power supply end VCC, a first grounding end GND1, a second grounding end GND2, a temperature signal output end T-IPM and a fault signal output end IPM-F0, and the power module composite pin is simultaneously connected with the triode Q1 and the resistor assembly. According to the hardware decoupling circuit provided by the utility model, the reliability and the accuracy of processing the temperature signal and the fault signal of the power module are improved.

A display substrate and a display device, the display substrate comprising a display area (91) and a peripheral area, the peripheral area comprising a circuit area (92), the display area comprising: a plurality of sub-pixels (1), a plurality of data lines (11) extending along a first direction (991), and a plurality of gate lines (12) extending along a second direction (992); the circuit area (92) comprising a plurality of driving unit groups, the circuit area (92) comprising a first sub-area (921) and a second sub-area (922) opposite on both sides of the display area (91) along the first direction (991), the first sub-area (921) comprising a plurality of multiplexing unit groups, and the second sub-area (922) comprising a plurality of test unit groups, the driving unit (4) being configured to provide a driving signal to the gate line (12), the multiplexing unit (2) being configured to provide a data signal to the data line (11), and the test unit (3) being configured to provide a test signal to the data line (11); in the first sub-area (921), the driving unit groups and the multiplexing unit groups are arranged alternately; and in the second sub-area (922), the driving unit groups and the test unit groups are arranged alternately.

The described technology is generally directed towards a sensor signal multiplexer and digitizer with analog notch filter and optimized sample frequency, and corresponding methods of use and manufacture. In some examples, the disclosed technologies can be used to reduce vibration sensitivity of an inertial measurement unit (IMU). The disclosed sensor signal multiplexer can sample sensor inputs on multiple input channels at a first, higher frequency, and integrate samples for each channel in order to generate lower frequency sensor outputs. The lower frequency sensor outputs can be converted to digital form.

The present application relates to a frequency synthesizer with dynamically selected level shifting of an oscillating output signal. An oscillator circuit powered by a source voltage generates an oscillating output signal. The oscillating output signal is level shifted and applied to a first input of a multiplexer. A second input of the multiplexer receives the oscillating output signal. The multiplexer selects one of the oscillating output signal and the level shifted oscillating output signal to output as a selected oscillating output signal in response to a selection signal. A lock loop circuit controls a frequency of the oscillating output signal based on the selected oscillating output signal and a reference oscillating signal. The selection signal also selects one of the source voltage of the oscillator circuit and a reference voltage as an error amplifier reference voltage for a voltage regulator circuit that generates a first supply voltage.

The invention provides a GIS ultrahigh frequency online monitoring device and method based on signal multiplexing, and relates to the technical field of power grids. The online monitoring device is designed, the ultrahigh-frequency sensors are arranged on the inner walls of the GIS air chambers, the non-contact directional couplers are arranged on the outer walls of the GIS air chambers, ultrahigh-frequency signal transmission is achieved through coupling of the non-contact directional couplers and the ultrahigh-frequency sensors, and partial discharge detection can be achieved without perforating the GIS air chambers. The local detection box is arranged on the ground of the area where each GIS air chamber is located, and the multi-channel intelligent switching matrix in the local detection box is connected with the non-contact directional coupler of each GIS air chamber, so that polling switching detection of partial discharge in each GIS air chamber is realized, and operation and maintenance personnel do not need to climb to work; the problem of low GIS partial discharge detection efficiency caused by single-channel serial operation, high-altitude operation dependence and the like in the GIS partial discharge detection technology is solved, and the detection efficiency of GIS partial discharge detection is improved.

A power management chip includes a gate driver configured to output a first gate signal driving a first power switch and a second gate signal driving the second power switch, a multiplexer configured to receive an error detect signal from a first error amplifier and a first gate signal from the gate driver, and drive the first power switch with either of the error detect signal or the first gate signal in response to a mode select signal; an inductor detection logic configured to receive the inductor detect signal, output a comparison detect signal and a pulse signal for detecting an external inductor, and output the mode select signal corresponding to a result of the detecting, and a comparator comparing an internal output voltage of an output node and an output voltage of the feedback node in response to the comparison detect signal.

The invention provides an optical chip for atom regulation and control and a regulation and control method, and belongs to the technical field of optical signal processing. The optical chip comprises a chip substrate, an optical waveguide integrated on the chip substrate, an acousto-optic modulator, an external port and a port facing an atomic array. The acousto-optic modulator generates sound waves through an interdigital transducer, and the sound waves interact with the optical signals in the acousto-optic interaction waveguide, so that at least one of the amplitude, the phase, the polarization, the frequency, the transverse mode and the transmission direction of the optical signals is accurately adjusted. The optical chip can also be integrated with a nonlinear optical frequency conversion module for changing the frequency of the optical signal; and the optical signal multiplexing module is used for performing beam splitting, filtering, frequency division or mode division multiplexing and the like on the optical signal. The external port is used for inputting / outputting optical signals, and the port facing the atom array outputs the optical signals to the atom array in a free space light beam mode and can collect the optical signals emitted by atoms.

A display substrate and a display device. The display substrate comprises: a base, and a plurality of sub-pixels (20) disposed on the base; a plurality of data lines (Data), which are located in an active area (AA), electrically connected to the plurality of sub-pixels (20) and configured to transmit data signals to the plurality of sub-pixels (20); a multiplexing circuit (10), which is at least partially located in the active area (AA) and is connected to the plurality of data lines (Data); a plurality of data output lines (SL), which are at least located in a non-active area (BB) and are connected to the multiplexing circuit (10), the number of the plurality of data output lines (SL) being less than the number of the plurality of data lines (Data); and a shielding structure (30), which is at least partially located in the active area (AA), the orthographic projection of the shielding structure (30) on the base at least partially overlapping with the orthographic projection of a light-emitting device of at least one of the sub-pixels on the base and at least partially overlapping with the orthographic projection of the multiplexing circuit (10) on the base.

A multi-master control circuit includes signal switch, D-type flip-flop, and multiplexer. The signal switch outputs switching signals based on a first control signal generated by a first processor or a second control signal generated by a second processor. The D-type flip-flop includes clock input, signal input, signal output, and inverted signal output. The clock input is coupled to the signal switch to receive the switching signals, and the inverted signal output is coupled to the signal input. Upon triggering by the switching signals, the signal output of the D-type flip-flop generates a selection signal. The multiplexer receives a first access signal generated by the first processor and a second access signal generated by the second processor. The multiplexer is coupled to the signal output of the D-type flip-flop to receive the selection signal and output either the first access signal or the second access signal based on the selection signal.

The invention discloses a graphics card docking station capable of switching and connecting input interfaces, which comprises a main board, and an OCuLink interface, a lightning interface, a PCIe signal multiplexing chipset, a selection switch and a PCIeX16 slot are integrated on the main board; the OCuLink interface and the thunder and lightning interface respectively output two groups of independent PCIe signals, the PCIe signals comprise a data signal, a clock signal and a control signal, the mainboard integrates the OCuLink interface and the thunder and lightning interface at the same time, free switching of the two interfaces is realized through a signal adaptation conversion function of the PCIe signal multiplexing chipset and a switching control function of the selection switch, and the conversion efficiency is improved. The method is suitable for all computer hosts with OCuLink interfaces or thunder and lightning interfaces in the market, a user does not need to purchase a display card docking station again due to the fact that the types of the host interfaces are changed, the use cost is reduced, and the application range is expanded.

The invention provides a high-side NMOS drive circuit, a chip and electronic equipment, and relates to the technical field of power management chips, the circuit comprises a system clock circuit, a local clock circuit, a pulse signal generation circuit, a multiplexing circuit, a charge pump circuit and a high-side NMOS transistor; the system clock circuit generates a system clock signal; the pulse signal generation circuit generates a pulse enable signal according to the drive enable signal; the local clock circuit outputs a high-frequency clock signal of which the frequency is greater than that of the system clock signal according to the pulse enable signal; the multiplexing circuit outputs a target clock signal according to the pulse enable signal, and the target clock signal is a system clock signal or a high-frequency clock signal; the charge pump circuit converts a battery voltage into a driving voltage to drive the high-side NMOS transistor according to the driving enable signal and a target clock signal. A high-frequency clock signal with higher frequency is selected to control the charge pump circuit, so that the starting speed of the high-side NMOS tube can be increased.

This invention belongs to the field of satellite navigation signal multiplexing technology, and discloses a method, transmitter, receiver, and system for multiplexing adjacent multi-frequency satellite navigation signals. This invention provides a specific implementation method and system for adjacent multi-frequency satellite navigation signal multiplexing technology, enabling the multiplexing of multiple navigation or communication signals at the middle frequency, both sides of the middle frequency, or the upper and lower sidebands of the middle frequency, solving the current problem of no multiplexing of adjacent multi-frequency satellite navigation or communication signals in the BeiDou system. It can be widely applied in satellite navigation systems, various ranging systems, communication systems, broadcasting systems, and control systems.

A network entity multiplexes a non-unicast transmission with a discovery burst in one or more slots within the discovery burst based on a distance from a slot that includes a discovery reference signal (DRS) and outputs for transmission a multiplexed discovery burst including the non-unicast transmission in a shared spectrum based on a listen before talk (LBT) relaxation.

A wireless device can receive downlink control information (DCI) that schedules a transmission of a channel state information (CSI) report, one or more first repetitions of a physical uplink shared channel (PUSCH) transmission with a first spatial domain transmission filter, and one or more second repetitions of the PUSCH transmission with a second spatial domain transmission filter. The wireless device can multiplex the CSI report on an earliest repetition of the one or more first repetitions corresponding to the first spatial domain transmission filter and an earliest repetition of the one or more second repetitions corresponding to the second spatial domain transmission filter. The wireless device can transmit the one or more first repetitions and the one or more second repetitions based on the multiplexing of the CSI report.

This invention discloses a wind turbine device with multiplexed controller I / O signals, mainly comprising hardware circuitry and software control strategies. The hardware includes an SCI serial communication circuit based on an STM32 microcontroller, a speed / frequency signal / status output circuit, and an external analog / PWM speed control signal input circuit. The software strategy primarily determines the controller's operating mode based on specific voltage values ​​within different power-on time intervals, including external analog control, a fast communication mode with the host computer, and a slow communication mode with the host computer. This invention eliminates the cumbersome process of opening the wind turbine casing and damaging the internal thermal conductive adhesive required for maintenance of the field wind turbine controller. It utilizes only two control lines to achieve wind turbine speed control and speed signal / status feedback acquisition, while also allowing switching to serial communication between the host computer and the controller.

A device includes a signal bus to carry a sinusoidal drive signal and receive (RX) sensing hardware, coupled to an electrode of a touch panel, including an attenuator configured to detect a touch signal from the electrode, a multiplexer coupled between an input to the attenuator and the signal bus, and a capacitor coupled between the signal bus and the multiplexer. Control logic is coupled to the RX sensing hardware to perform a self-test, including to disconnect the RX sensing hardware from the electrode, cause the multiplexer to couple the capacitor to the input of the attenuator, determine whether an output of the RX sensing hardware is within a functional operating range.

A magnetic resonance imaging (MRI) system includes an outer vacuum container (OVC), a superconducting magnet housed within the OVC, and a plurality of sensors configured to monitor parameters of the superconducting magnet. The MRI system further includes a microcontroller disposed within the OVC and kept at room temperature, and electrically connected to the plurality of sensors, and a communication interface configured to transmit data from the microcontroller to an external control system. The microcontroller is configured to multiplex signals from the plurality of sensors into a single data stream for transmission through the communication interface.

The application discloses a kind of real-time monitoring impedance electric stimulation system, belong to medical electronic technical field;The system includes signal generation module, signal multiplexing module, signal acquisition module, impedance extraction module, impedance calculation module and intelligent feedback control module;Signal generation module simultaneously generates treatment stimulation signal and frequency orthogonal impedance monitoring signal;Signal multiplexing module is combined after two kinds of signals and is applied to human body by electrode;Signal acquisition module acquires mixed signal containing physiological response and impedance information;Impedance extraction module accurately extracts impedance modulation component from mixed signal using digital lock-in amplification technology;Impedance calculation module calculates electrode-tissue contact impedance in real time;Intelligent feedback control module carries out multistage threshold judgment according to impedance value, realizes alarm, parameter adjustment and safety protection function;The application realizes the synchronization of treatment and monitoring, improves the safety and reliability of system, is applicable to various electric stimulation medical equipment.

The present application relates to navigation payload channel model, estimation method, computer storage medium and device, the method comprises the following steps: S100: ideal single branch modulation signal is acquired, and the single branch modulation signal is generated modulated signal through digital distortion; S200: the modulated signal is synthesized multiplexing signal through signal multiplexing; S300: multiplexing signal analog distortion and generate output signal; S400: according to output signal and local ideal signal carries out signal evaluation.The method of the present application, through the comprehensive solution of signal digital distortion and analog distortion, accurately obtains the channel characteristics of on-orbit transmitting end, and efficiently solves the nonlinear problem of payload transmission channel.

A comparison circuit includes a comparator and a multiplexer. The comparator includes at least one transistor and generates a first output signal based on a first input signal, a second input signal, and an operating clock signal. The multiplexer, in a normal mode, outputs a first clock signal as the operating clock signal based on a control signal, and in an offset calibration mode, outputs a second clock signal different from the first clock signal as the operating clock signal based on the control signal. In the offset calibration mode, the comparison circuit is configured to perform an offset calibration operation by degrading the at least one transistor based on the first and second input signals having the same voltage level and the operating clock signal.

The application relates to an antenna signal modulation method based on a neural network model, characterized in that the method at least comprises the following steps: creating a neural network through a BP neural network training method in artificial intelligence, constructing a first set of training sample sets with a sending signal vector x of a device transmitting end (1) and a sparse signal theta determined based on the sending signal vector x of the device transmitting end (1) as input and output respectively, training the neural network, and obtaining the first neural network model; performing compression dimension reduction processing on the signal after sparse representation; solving the sparse signal vector from the low-dimensional signal by using a compression sensing reconstruction algorithm; and finally, reconstructing the original signal by using a second neural network model on the received signal. The application reduces the dimension of the signal to be processed, multiplexes the parallel data stream exceeding the number of sending antennas onto a given sending antenna for sending, and greatly improves the signal multiplexing gain under the condition of a given MIMO system transceiving antenna number.

The HDMI full signal and USB keyboard and mouse low-speed signal multiplexing optical transmission system comprises a transmitting end and a receiving end which are connected through an optical fiber link, and each of the transmitting end and the receiving end comprises an optical transmitting module, an optical receiving module, an HDMI interface module, a level conversion circuit, a USB keyboard and mouse interface module, an FPGA module and a power supply circuit. According to the method, a differentiation strategy of high-speed signal direct connection and low-speed signal processing is adopted. TMDS signal direct connection: three pairs of TMDS data and one pair of TMDS clock signals are not processed by the FPGA and are directly transmitted by the optical transmitting module. Therefore, data processing delay and bandwidth bottleneck possibly brought by the FPGA are avoided, real-time performance and high fidelity of high-definition video signal transmission are ensured, and images are free of delay and compression damage. And low-speed signal intelligent fusion: combining and transmitting the low-speed signal of the HDMI and the USB signal through an FPGA (Field Programmable Gate Array). The characteristic that low-speed signals work intermittently is fully utilized, and waste caused by independently laying a large number of optical fibers for the signals is avoided.

A radio frequency (RF) phased-array detector includes a vertical antenna array, a horizontal antenna array, a multiplexer module and a processor. The vertical antenna array includes a plurality of vertical antennas, and each of the vertical antennas is configured to obtain a first input signal in response to a wireless signal from a radio-emitting source. The horizontal antenna array includes a plurality of horizontal antennas, and each of the horizontal antennas is configured to obtain a second input signal in response to the wireless signal. The multiplexer module is configured to provide a set of third input signals selected from the first input signals and the second input signals. The processor is configured to obtain azimuth and elevation of the radio-emitting source according to the set of third input signals.

Various aspects of the present disclosure generally relate to wireless communications. In some aspects, a network node may transmit a first channel state information reference signal (CSI-RS) based on a frequency modulated continuous wave (FMCW). The network node may transmit an FMCW-based second CSI-RS or an Orthogonal Frequency Division Multiplexing (OFDM) signal or channel, wherein the FMCW-based first CSI-RS is multiplexed with the FMCW-based second CSI-RS or the OFDM signal or channel based at least in part on one or more of a first Orthogonal Cover Code (OCC) or a second OCC. Numerous other aspects are described.