Abstract: The present disclosure is related to a method and a device for locating a PIM source in a link comprising multiple segments. The method comprises: determining one of the multiple segments, in which a PIM source is located, at least partially based on delay intervals that are configured or predetermined for the multiple segments and a PIM loopback delay of a PIM component that is related to the PIM source.

Abstract: A lighting device power supplying system having switching mechanism includes a plurality of power controllers and each of the power controllers includes a driving module, a sampling module and a control module. The driving module generates a driving voltage to drive a lighting module. The sampling module samples the driving voltage to generate a sampled voltage. The control module compares the sampled voltage with a default oscillation frequency range and a default oscillation amplitude threshold. The control module generates an abnormal detecting result when the oscillation frequency of the sampled voltage is not within the default oscillation frequency range or when the oscillation amplitude of the sampled voltage exceeds the default oscillation amplitude threshold.

Abstract: A strong PUF circuit capable of implementing multi-bit parallel XOR operations comprises a presetting module, an interleaving module, a cascading module and a control module, wherein the control module controls the operating mode of the strong PUF circuit capable of implementing multi-bit parallel XOR operations to allow the strong PUF circuit capable of implementing multi-bit parallel XOR operations to operate in a PUF mode, a logic operation mode or a power control mode; when operating in the PUF mode, the strong PUF circuit capable of implementing multi-bit parallel XOR operations functions as a PUF circuit; when operating in the logic operation mode, the strong PUF circuit capable of implementing multi-bit parallel XOR operations realizes an XOR operation logic function; and when operating in the power control mode, the strong PUF circuit capable of implementing multi-bit parallel XOR operations realizes low-power standby.

Abstract: Disclosed is a TFET with an OR-AND logic function. By arranging a horizontal channel and a vertical channel in different directions, three gates are not connected and will not be affected by each other, and can control the current of a whole channel jointly; when a first gate and a second gate are both at a high level, the TFET will be turned on, and when the first gate and a third gate are both at a high level, the TFET will also be turned on; the horizontal channel not only isolates the second gate from the third gate, but also reduces the strength of coupling between the second gate and the third gate, so only a small current passes through the horizontal channel when the second gate and the third gate are both at a high level, and the TFET will not be turned on at this moment.

Abstract: A FET with a multi-value switching function comprises a source region, a channel region, a drain region, a gate dielectric layer, a substrate layer, a gate-oxide inducer layer, a metal layer and a spacer layer. The channel region is an undoped channel region, the drain region is an undoped drain region. The metal layer comprises first to third metal blocks which are arranged at intervals from left to right, the distance between the first metal block and the second metal block is 12 nm, the distance between the second metal block and the third metal block is 10 nm, the first metal block is a main control gate of the FET, the second metal block and the third metal block are two inducer gates of the FET, and the spacer layer is used for isolating the first metal block from the second metal block and the third metal block.

Abstract: A sub-threshold monostable PUF circuit with an SRAM function and an entropy source extraction function includes a mode configuration circuit, a decoding circuit, a PUF array and a reading circuit. The PUF array has a SRAM storage mode and a PUF mode for generating an entropy source voltage. The PUF array includes m*n PUF cells and n pre-charge modules. Each PUF cell includes a first PMOS transistor, a second PMOS transistor, a third PMOS transistor, a first NMOS transistor, a second NMOS transistor, a third NMOS transistor, a fourth NMOS transistor, a fifth NMOS transistor and a sixth NMOS transistor. The monostable PUF array formed by PUF cells is constructed only by adding a first PMOS transistor, a first NMOS transistor and a fourth NMOS transistor in each SRAM cell of an original SRAM storage array of IoT equipment.

Abstract: A self-filtering monostable PUF circuit based on hysteresis effect is provided. The self-filtering monostable PUF circuit includes a PUF unit array formed by n×m PUF units distributed in n rows and m columns, wherein n and m are integers greater than or equal to 1. By adding a filter unit based on a Schmitt trigger, the self-filtering monostable PUF circuit utilizes the hysteresis effect of the Schmitt trigger to efficiently self-filter the PUF units with unstable outputs to improve the overall stability of the PUF circuit. The advantage of high stability is achieved.

Abstract: This application provides a video information processing method performed by an electronic device. The method includes: determining a video image frame set corresponding to each of a first video and a second video, respectively; determining a static stitching region corresponding to image frames in the video image frame set; cropping the image frames in the video image frame set according to the static stitching region, and determining an image feature vector for the video based on a corresponding cropping result using a video information processing model; and determining a similarity between the first video and the second video based on an image feature vector corresponding to the first video and an image feature vector corresponding to the second video.

Abstract: A strong PUF circuit capable of implementing multi-bit parallel XOR operations comprises a presetting module, an interleaving module, a cascading module and a control module, wherein the control module controls the operating mode of the strong PUF circuit capable of implementing multi-bit parallel XOR operations to allow the strong PUF circuit capable of implementing multi-bit parallel XOR operations to operate in a PUF mode, a logic operation mode or a power control mode; when operating in the PUF mode, the strong PUF circuit capable of implementing multi-bit parallel XOR operations functions as a PUF circuit; when operating in the logic operation mode, the strong PUF circuit capable of implementing multi-bit parallel XOR operations realizes an XOR operation logic function; and when operating in the power control mode, the strong PUF circuit capable of implementing multi-bit parallel XOR operations realizes low-power standby.

Abstract: A lighting device with a microwave module self-test function includes a control module, a microwave module and a light-emitting module. The microwave module is connected to the control module. The light-emitting module is connected to the control module. The control module executes a self-test mode to adjust the light-emitting module from the current brightness to a test brightness within a preset time interval, detects the number of times the microwave module generates trigger signals within the preset time interval, calculates the sum of the durations of the trigger signals, and generates a detection result according to the number of times and the sum.

Abstract: A reconfigurable PUF with two PUF functions comprises 2m×n PUF cells, a sequential control module, a row selection module, n amplification modules, n first bit lines, and n second bit lines. Each of the 2m×n PUF cells comprises a first PMOS transistor, a second PMOS transistor, a first NMOS transistor, a second NMOS transistor, a third NMOS transistor, a fourth NMOS transistor, a fifth NMOS transistor, a sixth NMOS transistor and a seventh NMOS transistor. The PUF cells can provide two independent responses, and can operate in a SRAM mode and an inverter mode. Therefore, the reconfigurable PUF with two PUF functions can operate both in the SRAM mode and the inverter mode, and a PUF operating mode with higher reliability is selected for generating final responses.

Abstract: The present disclosure generally relates to signal processing, and more specifically, the embodiments herein relate to a method for estimating a time delay between an excitation signal and a stimulated signal correlated with the excitation signal in a communication or measurement system, an apparatus and computer program product adapted for the same purpose. In one or more embodiments according to the present disclosure, there proposes a method for estimating a time delay between an excitation signal and a stimulated signal correlated with the excitation signal in a communication or measurement system. In the method, it acquires a predictive offset with which the stimulated signal is predicted to be approximately synchronized with the excitation signal. Then, the cross-correlation between the excitation signal and the stimulated signal with the predictive offset is acquired and the time delay is determined from the cross-correlation.

Abstract: A front-stage open-circuit detection device includes an isolation transformer, an adjustment circuit, a voltage divider and a controller. The isolation transformer has a detection point, a primary side, and a secondary side. The detection point receives a control signal from the control switch of the converter in a lighting device. The primary side couples the control signal to the secondary side to generate a coupled signal. The adjustment circuit rectifies and filters the coupled signal to generate an adjusted signal. The voltage divider circuit divides the adjusted signal to generate a voltage signal. The controller receives the voltage signal and generates a state signal.

Abstract: A signal processing circuit for a tunneling magnetoresistance sensor comprises thirty-eight MOS transistors, two capacitors and ten switches. A first switch, a second switch, a third switch, a fourth switch, a first MOS transistor, a second MOS transistor, a third MOS transistor and a fourth MOS transistor form a high-frequency modulation circuit. A fifth switch, a sixth switch, a seventh switch, an eighth switch, a seventeenth transistor, a twenty-second MOS transistor and a twenty-third MOS transistor form a high-frequency demodulation circuit. A signal output by a tunneling magnetoresistance sensor is modulated to a chopping frequency by the high-frequency modulation circuit, and is then demodulated by the high-frequency demodulation circuit.

Abstract: A readout circuit for a high-precision vibration sensor comprises an on-chip self-test circuit, a low-noise charge amplifier, a correlated double sampling circuit, a PID feedback control circuit, a phase compensation circuit and Sigma-Delta. A self-test signal is amplified by the low-noise charge amplifier, low-frequency noise and offsets are filtered out by the correlated double sampling circuit, then a self-test path and a working path of a vibration sensor are separated in the time domain by the PID feedback control circuit, the phase compensation circuit performs zero compensation and pole compensation on the signal, and Sigma-Delta converts an analog signal into a high-precision digital signal.

Abstract: A constant illuminance lighting control device includes a light detecting module and a processing module. The light detecting module detects the illuminance of a target area, which is provided by a lighting device. The processing module includes a signal register, and stores a dimming signal corresponding to the illuminance of the target area in the signal register to serve as an initial dimming signal. The processing module executes a dimming signal tracking program to compare the illuminance of the target area with a target illuminance to generate an illuminance difference signal, and calculates a lighting compensation step size accordingly. The processing module generates a real-time dimming signal according to the step size, transmits this signal to the lighting device for dimming, and stores this signal in the signal register to replace the initial dimming signal. The dimming signal tracking program is repeatedly executed.

Abstract: The present invention discloses a highly reliable positive-to-negative voltage conversion circuit, including a first inverter, a first buffer, a second buffer, a first to seventh NMOS transistors, a first to third PMOS transistors, a first resistor, a second resistor, a third resistor, and a fourth resistor, wherein the third PMOS transistor, the third NMOS transistor, the fourth NMOS transistor, the fifth NMOS transistor, the sixth NMOS transistor and the seventh NMOS transistor form an on/off control circuit, with that a power supply path between a positive-voltage power supply terminal and a negative-voltage power supply terminal is physically isolated by the on/off control circuit to eliminate voltage reversing occurring when the positive-voltage power supply terminal and the negative-voltage power supply terminal cannot be synchronized during power-on.

Abstract: A device encrypted authentication method based on a strong physical unclonable function is disclosed, including: generating ? matrixes formed by random transformation of a ??{square root over (b)}?-order unit matrix, such that unnecessary device expenditure is reduced; when a sensing device is identified, information to be synchronized between the sensing device and a back-end server is transmitted in the registration phase, such that an attacker cannot obtain confidential information in the encryption phase, and the attacker cannot traverse or completely crack all these possible combinations in a short time; even if the attacker intercepts some CRPs, it is scarcely possible that data sent by the sensing device matches the CRPs collected by the attacker, and with the increase of the number b of bits of challenges and the quick convergence to 0, the accuracy of random guessing is only 50%.

Abstract: A multi-channel lighting control system includes a control module and a plurality of dimming modules. The control module generates a multi-level control signal and the multi-level control signal includes a plurality of control signal data arranged in a preset sequence. The dimming modules are corresponding to the control signal data respectively and arranged in the preset sequence. Each of the dimming modules, upon receiving the multi-level control signal, performs the signal extraction to extract the first of the control signal data from the multi-level control signal. Then, the dimming modules converts the extracted control signal data by the dimming module into a dimming signal, and outputs the dimming signal to a lighting device corresponding thereto.

Abstract: Methods and systems for intelligently recommending selections for a selector control are disclosed. The method includes receiving a recommendation request from a selector control client, the recommendation request comprising a search string and a unique identifier of a user interacting with a selector control; identifying user identifiers of usernames matching the search string; retrieving machine learning features corresponding to the user identifiers of usernames matching the search string; applying a machine learning model to the retrieved machine learning features to assign weights to the retrieved machine learning features; computing recommendation scores for the user identifiers based on the assigned weights to the retrieved machine learning features; ranking the user identifiers based on the recommendation scores; and forwarding a ranked list of user identifiers to the selector control client for displaying in the selector control for selection by the user interacting with the selector control.