Abstract: A robot fish system includes a robot fish, and a light-emitting device emitting a light signal. The robot fish includes a housing, on which first and second light receivers, a driving module and a processor are disposed. The processor is connected to the first and second light receivers and the driving module. The processor controls the driving module to operate in a left-turn mode to make the robot fish turn left when only the first light receiver receives the light signal, in a right-turn mode to make the robot fish turn right when only the second light receiver receives the light signal, in a straight-moving mode to make the robot fish move straight when both the first and second light receivers receive the light signal, and in a random mode to make the robot fish move randomly when none of the first and second light receivers receives the light signal.

Abstract: An antenna structure electrically fixed on a main board of an electronic apparatus includes a high-frequency-radiation layer, a low-frequency-radiation layer, an electrode layer and a circuit board including a front surface, a back surface, and a notch. The notch allows a left pin and a right pin formed on a lower side of the circuit board. The high-frequency-radiation layer is arranged on the front surface. The low-frequency-radiation layer is arranged on the front surface or the back surface. A coupling gap is formed between the low-frequency-radiation layer and the high-frequency-radiation layer. The electrode layer is arranged on the left pin and the right pin, and electrically connected to the high-frequency-radiation layer and the low-frequency-radiation layer. The antenna structure belongs to the monopole-feed-in-coupling-loop-grounding design. When used in the main boards of different sizes, variation in grounding has a very little effect on the efficiency attenuation of the antenna structure.

Abstract: A positioning method and a multi-radar positioning system are provided. In the positioning method, a first object and a second object are detected by a first radar to obtain a first coordinate and a second coordinate on a first coordinate system respectively. The first object and the second object are detected by a second radar to obtain a third coordinate and a fourth coordinate on a second coordinate system respectively. A first candidate coordinate and a second candidate coordinate of the second radar on the first coordinate system are estimated according to the third coordinate and the fourth coordinate. The first candidate coordinate is selected from the first candidate coordinate and the second candidate coordinate as a first radar coordinate of the second radar according to the first coordinate and the second coordinate. The first radar coordinate is output.

Abstract: Devices, systems, and methods for hardware-based time synchronization for heterogenous sensors are described. An example method includes generating a plurality of input trigger pulses having a nominal pulse-per-second (PPS) rate, generating, based on timing information derived from the plurality of input trigger pulses, a plurality of output trigger pulses, and transmitting the plurality of output trigger pulses to a sensor of a plurality of sensors, wherein a frequency of the plurality of output trigger pulses corresponds to a target operating frequency of the sensor, wherein, in a case that a navigation system coupled to the synchronization unit is functioning correctly, the plurality of input trigger pulses is generated based on a nominal PPS signal from the navigation unit, and wherein, in a case that the navigation system is not functioning correctly, the plurality of input trigger pulses is generated based on a simulated clock source of the synchronization unit.

Abstract: Disclosed are techniques for sensing. In an aspect, a wireless node receives or determines a time-division duplex (TDD) configuration that configures a set of contiguous downlink symbols, a set of contiguous uplink symbols and a set of contiguous cell-specific flexible symbols that follows the set of contiguous downlink symbols and precedes the set of contiguous uplink symbols. The wireless node further performs a radio frequency for sensing (RF-S) operation during one or more flexible symbols of the set of contiguous cell-specific flexible symbols.

Abstract: Method to implement heat dissipation multilayer and reduce thermal boundary resistance for high power consumption semiconductor devices is provided. The heat dissipation multilayer comprises a first crystalline layer that possesses a first phonon frequency range, a second crystalline layer that has a second phonon frequency range which does not overlap with the first phonon frequency range, and an amorphous layer located between the first and second crystalline layers. The amorphous layer has a third phonon frequency range that overlaps both the first and second phonon frequency ranges.

Abstract: Disclosed in the present disclosure is a method for processing remote sensing images by fusing elevation information.

Abstract: A method (fabricating a fusible structure) includes forming a metal line that extends in a first direction, the forming a metal line including: configuring the mask such that the metal line has a first portion that is between a second portion and a third portion; and using an optical proximity correction technique with a mask so that the first portion has a first thickness that is thinner than a second thickness of each of the second portion and the third portion; and forming a first dummy structure proximal to the metal line and aligned with the first portion relative to the first direction.

Abstract: An optical driving mechanism is provided, including a movable portion, a fixed portion, a driving component and a first stopper component. The movable portion is configured to connect an optical element. The movable portion is movable relative to the fixed portion. The driving component is configured to drive the movable portion to move relative to the fixed portion. The first stopper component is configured to limit the range of movement of the movable portion relative to the fixed portion.

Abstract: Described are devices, systems and methods for managing a supplemental brake control system in autonomous vehicles. In some aspects, a supplemental brake management system includes brake control hardware and software that operates with a sensing mechanism for determining the brake operational status and a control mechanism for activating the supplemental brake control in an autonomous vehicle, which can be implemented in addition to the vehicle's primary brake control system.

Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.

Abstract: Semiconductor devices and methods of forming the same are provided. In one embodiment, a semiconductor device includes an active region including a channel region and a source/drain region and extending along a first direction, and a source/drain contact structure over the source/drain region. The source/drain contact structure includes a base portion extending lengthwise along a second direction perpendicular to the first direction, and a via portion over the base portion. The via portion tapers away from the base portion.

Abstract: A communication device for detecting an object includes a power module, an antenna array, a first sensor pad, a second sensor pad, and a control unit. The antenna array is excited by the power module, and is configured to provide a first beam group and a second beam group. The first sensor pad is disposed adjacent to the first side of the antenna array. A first capacitance is formed between the first sensor pad and the object. The second sensor pad is disposed adjacent to the second side of the antenna array. A second capacitance is formed between the second sensor pad and the object. The control unit controls the power module according to the first capacitance and the second capacitance, so as to selectively apply at least one power backoff operation to the first beam group and/or the second beam group.

Abstract: Semiconductor packages and methods of forming the same are disclosed. An semiconductor package includes two dies, an encapsulant, a first metal line and a plurality of dummy vias. The encapsulant is disposed between the two dies. The first metal line is disposed over the two dies and the encapsulant, and electrically connected to the two dies. The plurality of dummy vias is disposed over the encapsulant and aside the first metal line.

Abstract: A sample mounting device for direct tensile test of rock mass is provided, which includes a first positioning stage, a second positioning stage, a first support piece, a second support piece, and a screw drive mechanism. The second positioning stage is arranged above the first positioning stage and capable of moving up and down, and cushion blocks for gluing with the rock mass are coaxially and detachably arranged at opposite ends of the first positioning stage and the second positioning stage, and a rock mass mounting area is formed between the two cushion blocks. A screw of the screw drive mechanism includes a first thread segment and a second thread segment with opposite thread directions. The first support piece is connected with the first thread segment through a nut seat, and the second support piece is connected with the second thread segment through a nut seat.

Abstract: The present disclosure provides a method for preventing and/or treating liver fibrosis by using 6-methoxybenzoxazolinone and a Coix lachryma-jobi L. extract including 6-methoxybenzoxazolinone. The 6-methoxybenzoxazolinone and the Coix lachryma-jobi L. extract including 6-methoxybenzoxazolinone of the present disclosure achieve the effect of preventing and/or treating liver fibrosis through various efficacy experiments.

Abstract: The present application discloses a control method, apparatus, device, and system for a charging and discharging circuit, and a storage medium. A neutral wire of a motor in the charging and discharging circuit is connected to a charging and discharging switching bridge arm group, the method including: acquiring a first current value in the neutral wire in real time during charging and discharging of a power battery by the charging and discharging circuit; and regulating the magnitude of the first current value according to the first current value, first peak current, and second peak current, where the first peak current is known peak current of the charging and discharging switching bridge arm group, and the second peak current is known peak current in the neutral wire.

Abstract: The present application discloses a method, apparatus, system, device and storage medium for controlling a charge and discharge circuit. The charge and discharge circuit includes an M-phase motor winding, where M is a positive integer. The method includes: controlling the charge and discharge circuit to start charge and discharge; acquiring a first current value and second current values, where the first current value is a current value flowing through a neutral line of the M-phase motor winding, and the second current value is a current value flowing through a single winding; determining whether a current charge and discharge state is normal according to the first current value and the second current values; and if not, controlling the charge and discharge power to be reduced.

Abstract: A biomimetic waterfowl includes a housing, two waterfowl legs, and a driving module. The waterfowl legs are spaced apart from each other in a left-right direction and are mounted to a bottom portion of the housing. Each waterfowl leg includes a first segment mounted to the housing and rotatable about a first axis parallel to the left-right direction, and a second segment rotatable about a second axis parallel to the first axis. The driving module is mounted to the housing and is configured to drive the waterfowl legs. Each of the waterfowl legs is movable between a retracted state, where the first segment extends forwardly from the housing and the second segment extends rearwardly from the first segment, and a propelling state, where the first segment extends rearwardly from the housing and the second segment extends rearwardly from the first segment.

Abstract: Various embodiments of the present application are directed towards an image sensor including a wavelength tunable narrow band filter, as well as methods for forming the image sensor. In some embodiments, the image sensor includes a substrate, a first photodetector, a second photodetector, and a filter. The first and second photodetectors neighbor in the substrate. The filter overlies the first and second photodetectors and includes a first distributed Bragg reflector (DBR), a second DBR, and a first interlayer between the first and second DBRs. A thickness of the first interlayer has a first thickness value overlying the first photodetector and a second thickness value overlying the second photodetector. In some embodiments, the filter is limited to a single interlayer. In other embodiments the filter further includes a second interlayer defining columnar structures embedded in the first interlayer and having a different refractive index than the first interlayer.