Abstract: Embodiments of this application disclose a laser measurement system and a laser radar. In one aspect, a laser measurement system includes N laser ranging components, a reflector, and MEMS micromirror. The N laser ranging components can emit an emergent light beam onto the reflector. The reflector can perform optical path reflecting on the emergent light beam and emit the reflected emergent light beam onto the MEMS micromirror. The MEMS micromirror can change a direction of the emergent light beam to implement two-dimensional scanning, change a direction of an echo light beam, and emit this beam onto the reflector. The reflector can perform optical path reflecting on the echo light beam and emit this beam onto the N laser ranging components. The N laser ranging components can receive the echo light beam and perform ranging based on a time difference between the emergent light beam and the echo light beam.

Abstract: An electrical switching cluster system includes a plurality of input nodes, a plurality of intermediate nodes, and a plurality of output nodes. Each of the input nodes performs electrical switching on electrical signals to obtain a plurality of groups of first electrical signals, and converts one group of first electrical signals into a multi-wavelength first optical signal. Each of the intermediate nodes demultiplexes a plurality of first optical signals to obtain a plurality of groups of second optical signals, and multiplexes optical signals of different wavelengths in the plurality of groups of second optical signals to obtain a plurality of multi-wavelength third optical signals. Each of the output nodes converts one third optical signal into one group of second electrical signals, and performs electrical switching on a plurality of groups of second electrical signals to output the plurality of groups of second electrical signals through any output port.

Abstract: A detection and communication system, a control apparatus, and a detection system are disclosed, and may be applied to fields such as augmented reality AR, virtual reality VR, or vehicle-road synergy. The detection and communication system includes: N radars, configured to: separately search for a target, and separately align with the target, where N is an integer greater than 1, K radars that are in the N radars and that align with the target are configured to communicate with the target, N-K radars other than the K radars are configured to track and point the target, and K is a positive integer less than N. The N radars separately align with the target, to help improve precision of alignment between the radar and the target. In addition, some of the N radars may communicate with the target.

Abstract: Embodiments of this application disclose a laser measurement system and a laser radar. In one aspect, a laser measurement system includes N laser ranging components, a reflector, and MEMS micromirror. The N laser ranging components can emit an emergent light beam onto the reflector. The reflector can perform optical path reflecting on the emergent light beam and emit the reflected emergent light beam onto the MEMS micromirror. The MEMS micromirror can change a direction of the emergent light beam to implement two-dimensional scanning, change a direction of an echo light beam, and emit this beam onto the reflector. The reflector can perform optical path reflecting on the echo light beam and emit this beam onto the N laser ranging components. The N laser ranging components can receive the echo light beam and perform ranging based on a time difference between the emergent light beam and the echo light beam.

Abstract: Embodiments of this application disclose a laser measurement system and a laser radar. In one aspect, a laser measurement system includes N laser ranging components, a reflector, and MEMS micromirror. The N laser ranging components can emit an emergent light beam onto the reflector. The reflector can perform optical path reflecting on the emergent light beam and emit the reflected emergent light beam onto the MEMS micromirror. The MEMS micromirror can change a direction of the emergent light beam to implement two-dimensional scanning, change a direction of an echo light beam, and emit this beam onto the reflector. The reflector can perform optical path reflecting on the echo light beam and emit this beam onto the N laser ranging components. The N laser ranging components can receive the echo light beam and perform ranging based on a time difference between the emergent light beam and the echo light beam.

Abstract: A system, method, and computer-readable recording media. Initially establishing a first wireless communication connection between a client device (CD) and an electronic device (ED) with a first primary SSID/passphrase. Storing a backup SSID/passphrase in the ED. Sending a message from the ED to the CD, the message including the backup SSID/passphrase. Storing the backup SSID/passphrase in the CD. Replacing the first primary SSID/passphrase on the ED with a second primary SSID/passphrase. After the first wireless communication connection between the CD and the ED is lost, retrieving, within the CD, the backup SSID/passphrase, and establishing a second wireless communication connection between the CD and the ED. After second wireless communication connection is established, sending a message including second primary SSID/passphrase from the ED to the CD. Storing second primary SSID/passphrase in the CD.

Abstract: One example optical transceiver includes an optical interface, an optical receiver, and a polarization-maintaining optical waveguide, where the optical receiver includes a mixer, an optical-to-electrical converter, an analog-to-digital converter, and a digital signal processor.

Abstract: The present invention discloses an encoding apparatus, including: a polarization splitter-rotator PSR, a polarization rotation structure, and a modulator, where the PSR is configured to receive an input signal light, split the input signal light into two parts whose polarization modes are the same, and send the two parts to the polarization rotation structure and the modulator respectively; the polarization rotation structure has functions of rotating, by 180 degrees, a polarization direction of an optical signal entering the polarization rotation structure from one end, and keeping a polarization direction of an optical signal entering the polarization rotation structure from the other end unchanged; the modulator is configured to modulate a light input to the modulator; and the PSR is further configured to receive signal lights sent by the polarization rotation structure and the modulator, combine the two signal lights to send the output signal light.

Abstract: A system, method, and computer-readable recording media. Initially establishing a first wireless communication connection between a client device (CD) and an electronic device (ED) with a first primary SSID/passphrase. Storing a backup SSID/passphrase in the ED. Sending a message from the ED to the CD, the message including the backup SSID/passphrase. Storing the backup SSID/passphrase in the CD. Replacing the first primary SSID/passphrase on the ED with a second primary SSID/passphrase. After the first wireless communication connection between the CD and the ED is lost, retrieving, within the CD, the backup SSID/passphrase, and establishing a second wireless communication connection between the CD and the ED. After second wireless communication connection is established, sending a message including second primary SSID/passphrase from the ED to the CD. Storing second primary SSID/passphrase in the CD.

Abstract: Embodiments of this application disclose a laser measurement system and a laser radar. In one aspect, a laser measurement system includes N laser ranging components, a reflector, and MEMS micromirror. The N laser ranging components can emit an emergent light beam onto the reflector. The reflector can perform optical path reflecting on the emergent light beam and emit the reflected emergent light beam onto the MEMS micromirror. The MEMS micromirror can change a direction of the emergent light beam to implement two-dimensional scanning, change a direction of an echo light beam, and emit this beam onto the reflector. The reflector can perform optical path reflecting on the echo light beam and emit this beam onto the N laser ranging components. The N laser ranging components can receive the echo light beam and perform ranging based on a time difference between the emergent light beam and the echo light beam.

Abstract: Embodiments of the present invention provide an optical transceiver including an optical interface, an optical receiver, and a polarization-maintaining optical waveguide, where the optical receiver includes a mixer, an optical-to-electrical converter, and a digital signal processor.

Abstract: Systems and methods of deep neural network based parking assistance is provided. A system can receive data sensed by one or more sensors mounted on a vehicle located at a parking zone. The system generates, from a first neural network, a digital map based on the data sensed by the one or more sensors. The system generates, from a second neural network, a first path based on the three-dimensional dynamic map. The system receives vehicle dynamics information from a second one or more sensors located on the vehicle. The system generates, with a third neural network, a second path to park the vehicle based on the first path, vehicle dynamics information and at least one historical path stored in vehicle memory. The system provides commands to control the vehicle to follow the second path to park the vehicle in the parking zone.

Abstract: Deep neural network (DNN) based driving assistance system is disclosed. For one example, a vehicle data processing system includes one or more sensors and a driving assistance system. The one or more sensors obtain data describing an environment around a vehicle. The driving assistance system is coupled to the one or more sensors and configured to detect continuously a designated object in the environment around the vehicle based on the captured data from the one or more sensors using a deep neural network (DNN). The driving assistance system is also configured to output commands from the DNN used to autonomously steer the vehicle to the designated object in the environment to enable coupling of the vehicle with the designated object, e.g., a charging pad for wireless charging.

Abstract: A data center includes a wavelength source, a first optical component, a first communications device, and a second communications device. The wavelength source is configured to generate an N-wavelength laser beam. The first port of the first optical component is configured to receive an M-wavelength laser beam from the wavelength source. The second port of the first optical component is configured to send the M-wavelength laser beam to the first communications device. The M-wavelength laser beam includes at least a first-wavelength laser beam. The second port of the first optical component is further configured to receive a modulated first optical signal from the first communications device, the modulated first optical signal is obtained after the first communications device modulates a service signal onto the first-wavelength laser beam. The third port of the first optical component is configured to send the modulated first optical signal to the second communications device.

Abstract: Commanding vehicles via a vehicle-to-infrastructure communication network are provided. A roadside unit in a location on a vehicular travel path broadcasts timestamps. A vehicle having an onboard unit receives the timestamp, calibrates an internal clock, and transmits a status of the first vehicle to the first roadside computing unit. The roadside unit receives the status of the vehicle, and transmits, to a data processing system, data packets including the status and information associated with the location in the vehicular travel path. The data processing system inputs the status information and the information associated with the location into a deep learning engine to assign, based on an output from the deep learning engine, a label to the vehicle. The data processing system selects a vehicle command based on the label and transmits the vehicle command to the vehicle to execute an action for traversing the vehicular travel path.

Abstract: Commanding vehicles via a vehicle-to-infrastructure communication network are provided. A roadside unit in a location on a vehicular travel path broadcasts timestamps. A vehicle having an onboard unit receives the timestamp, calibrates an internal clock, and transmits a status of the first vehicle to the first roadside computing unit. The roadside unit receives the status of the vehicle, and transmits, to a data processing system, data packets including the status and information associated with the location in the vehicular travel path. The data processing system inputs the status information and the information associated with the location into a deep learning engine to assign, based on an output from the deep learning engine, a label to the vehicle. The data processing system selects a vehicle command based on the label and transmits the vehicle command to the vehicle to execute an action for traversing the vehicular travel path.

Abstract: An encryption method and device and a decryption method and device are provided, to resolve a problem that unconditional security of encrypted service data cannot be ensured in an existing service data encryption process and encryption processing of highly confidential service data cannot be implemented. The encryption device in the present invention obtains a quantum key and to-be-encrypted service data; encrypts the to-be-encrypted service data by using the quantum key, to generate a ciphertext; inserts the ciphertext into a specified byte in an OTN overhead byte, and performs encapsulation to obtain an OTN frame including the ciphertext; and converts the OTN frame from an electrical signal to an optical signal, and transmits the optical signal to a second OTN device.

Abstract: Systems and methods of deep neural network based parking assistance is provided. A system can receive data sensed by one or more sensors mounted on a vehicle located at a parking zone. The system generates, from a first neural network, a digital map based on the data sensed by the one or more sensors. The system generates, from a second neural network, a first path based on the three-dimensional dynamic map. The system receives vehicle dynamics information from a second one or more sensors located on the vehicle. The system generates, with a third neural network, a second path to park the vehicle based on the first path, vehicle dynamics information and at least one historical path stored in vehicle memory. The system provides commands to control the vehicle to follow the second path to park the vehicle in the parking zone.

Abstract: Embodiments of the present disclosure disclose an optical signal processing method and an optical cross-connect apparatus. The method includes: receiving, by an input port i of the optical cross-connect apparatus, a first optical signal; performing, based on the first optical signal by a transmit-end signal processing module i, first phase modulation processing and first frequency mixing processing to obtain a THz signal that carries signal information of the first optical signal; transmitting, by a transmit-end antenna i, the THz signal; receiving, by a receive-end antenna j, the THz signal; performing, based on the THz signal by a receive-end signal processing module j, second phase modulation processing and second frequency mixing processing to obtain a second optical signal that carries the signal information; and outputting, by an output port j, the second optical signal.

Abstract: The present invention discloses an encoding apparatus, including: a polarization splitter-rotator PSR, a polarization rotation structure, and a modulator, where the PSR is configured to receive an input signal light, split the input signal light into two parts whose polarization modes are the same, and send the two parts to the polarization rotation structure and the modulator respectively; the polarization rotation structure has functions of rotating, by 180 degrees, a polarization direction of an optical signal entering the polarization rotation structure from one end, and keeping a polarization direction of an optical signal entering the polarization rotation structure from the other end unchanged; the modulator is configured to modulate a light input to the modulator; and the PSR is further configured to receive signal lights sent by the polarization rotation structure and the modulator, combine the two signal lights to send the output signal light.