Abstract: The present disclosure provides docking station for a cleaning robot, including: a wastewater treatment device constructed to collect wastewater generated during cleaning and generate steam from the wastewater; a steam condensing mechanism; wherein the steam discharged from the wastewater treatment device is condensed at the steam condensing mechanism and the condensed steam is fed back to the wastewater treatment device.

Abstract: The present disclosure provides docking station for a cleaning robot, including: a wastewater treatment device constructed to collect wastewater generated during cleaning and generate steam from the wastewater; a steam condensing mechanism; wherein the steam discharged from the wastewater treatment device is condensed at the steam condensing mechanism and the condensed steam is fed back to the wastewater treatment device.

Abstract: A wastewater treatment device of a docking station for a cleaning robot is provided, including: a wastewater tank, wherein a bottom surface of the wastewater tank is provided with a discharge opening; a discharge channel located below the wastewater tank and in communication with the discharge opening to discharge waste generated by wastewater distillation; a waste treatment component including: a first blade disposed above the bottom surface of the wastewater tank, wherein the first blade is configured to crush waste on the bottom surface when rotating around a rotation axis; a second blade fixed relative to the first blade and at least partially located in the discharge channel, wherein the second blade is configured to crush waste on an inner wall of the discharge channel when rotating around the rotation axis.

Abstract: The present application relates to a filter implementation method and apparatus, a noise suppression method and apparatus, and a computer device, a storage medium and a computer program product. The filter implementation method comprises: acquiring a first signal frequency spectrum and a first power spectrum, which correspond to a first test signal; determining a noise spectrum of the first test signal according to the first signal frequency spectrum and the first power spectrum; then acquiring a second signal frequency spectrum corresponding to a second test signal; and determining a frequency response of a Wiener filter according to the second signal frequency spectrum and the noise spectrum of the first test signal.

Abstract: The present disclosure provides a wastewater treatment device for a docking station for a cleaning robot, including: a wastewater tank, including a discharge opening at its bottom; an actuator; a blade, being actuated by the actuator to rotate in a wastewater tank; wherein the blade has an accessory part, the accessory part being pressed to a first position when contacting with the bottom of the wastewater tank, and being elastically biased to a second position extending into the discharge opening of the wastewater tank when located in the discharge opening.

Abstract: A high-speed directly modulated semiconductor laser device and a preparation method therefor. The semiconductor laser device includes an optical waveguide and an optical grating, which is formed by means of a one-step etching process, wherein the optical grating includes a first optical grating portion and a second optical grating portion, which are arranged side by side. The first optical grating portion and the second optical grating portion can effectively control a lasing wavelength and a photon-photon resonance frequency, and generate a load mismatch resonance effect, such that a relatively high yield can be realized while effectively improving the modulation bandwidth of the directly modulated semiconductor laser device, and an FP cavity is prevented from being formed from the reflection of front and rear end faces of the laser device, and thus multi-longitudinal-mode oscillation generated by the laser device at a high temperature or low temperature is prevented.

Abstract: The present disclosure disclosed a cleaning device, comprises a body, a main cleaning module and an auxiliary cleaning module, the main cleaning module is disposed on the body, the first lift structure is configured to drive the main cleaning assembly to ascend and descend, the auxiliary cleaning assembly is non-swingable relative to the body, at least part of the auxiliary cleaning assembly is always disposed outside the edge of the body, to clean along the edge, under the driving of the first lift structure, the auxiliary cleaning module ascends or descends synchronously with the main cleaning assembly, enabling the main cleaning assembly and the auxiliary cleaning assembly to ascend and descend to stay in the lifting position and the mopping position synchronously. Cleaning along the edge while prevent the cleaning-missed area from existing between the main cleaning assembly and the auxiliary cleaning assembly, enhancing the overall cleaning effect.

Abstract: The present disclosure provides a cleaning robot docking station and a cleaning system with the cleaning robot docking station. The cleaning robot docking station includes an evaporation equipment, configured to evaporate liquid inside the evaporation equipment and expel a first gas. The cleaning robot docking station further includes a condensation equipment, configured to receive the first gas from the evaporation equipment, condense at least a part of the water vapor in the first gas, and expel a second gas. The first gas is pre-cooled before entering the condensation equipment.

Abstract: A semiconductor laser comprises: a substrate; a first cladding layer disposed above the substrate; a second cladding layer disposed above the first cladding layer so that the first cladding layer is positioned between the substrate and the second cladding layer; and a first mode expansion layer within the first cladding layer, a second mode expansion layer within the second cladding layer, or both the first mode expansion layer within the first cladding layer and the second mode expansion layer within the second cladding.

Abstract: An apparatus comprises a first mirror; a second mirror; a modulation layer positioned between the first mirror and the second mirror and comprising a plurality of modulation regions; a diffraction layer positioned between the modulation layer and the second mirror, and an input port admitting a light beam into the apparatus. The light beam passes through the diffraction layer and is modulated by the modulation layer to create a first modulated beam before being reflected by the first mirror, the first mirror reflecting the first modulated beam toward the second mirror, the second mirror reflecting the first modulated beam toward the modulation layer to be modulated for at least a second time.

Abstract: An OLT comprises a processor configured to: obtain optical powers associated with ONUs, and generate an instruction instructing a transmit order of transmissions based on the optical powers; a transmitter coupled to the processor and configured to transmit the instruction to the ONUs; and a receiver coupled to the processor and configured to receive the transmissions from the ONUs based on the instruction. An apparatus comprises a receiver configured to receive an instruction instructing a transmit order of transmissions based on optical powers associated with ONUs; a processor coupled to the receiver and configured to process the instruction; and a transmitter coupled to the processor and configured to transmit a transmission based on the instruction.

Abstract: An apparatus comprises a first mirror; a second mirror; a modulation layer positioned between the first mirror and the second mirror and comprising a plurality of modulation regions; a diffraction layer positioned between the modulation layer and the second mirror, and an input port admitting a light beam into the apparatus. The light beam passes through the diffraction layer and is modulated by the modulation layer to create a first modulated beam before being reflected by the first mirror, the first mirror reflecting the first modulated beam toward the second mirror, the second mirror reflecting the first modulated beam toward the modulation layer to be modulated for at least a second time.

Abstract: A method and apparatus for establishing a voiceprint model, a computer device, and a storage medium are described herein. The method includes: collecting speech acoustic features in a speech signal to form a plurality of cluster structures; calculating an average value and a standard deviation of the plurality of cluster structures and then performing coordinate transformation and activation function calculation to obtain a feature vector; and obtaining a voiceprint model based on the feature vector.

Abstract: A semiconductor laser comprises: a substrate; a first cladding layer disposed above the substrate; a second cladding layer disposed above the first cladding layer so that the first cladding layer is positioned between the substrate and the second cladding layer; and a first mode expansion layer within the first cladding layer, a second mode expansion layer within the second cladding layer, or both the first mode expansion layer within the first cladding layer and the second mode expansion layer within the second cladding.

Abstract: An integrated circuit with programmable logic circuitry is provided. The integrated circuit may include quiet regions, toggling regions, or unused regions. An integrated circuit may also include heavily-used metal routing paths, lightly-used metal routing paths, and unused metal routing paths. Circuit design tools may be used to generate multiple configuration images that replace the quiet regions with toggling or unused regions, that swap the heavily-used metal routing paths with lightly-used or unused metal routing paths, or that use random fitter seeds of improve the usage coverage to statistically reduce the always quiet regions on the integrated circuit. The multiple configuration images implement the same design and can be used to reconfigure the integrated circuit upon startup to reduce aging effects and improve circuit performance.

Abstract: An integrated circuit with programmable logic circuitry is provided. The integrated circuit may include quiet regions, toggling regions, or unused regions. An integrated circuit may also include heavily-used metal routing paths, lightly-used metal routing paths, and unused metal routing paths. Circuit design tools may be used to generate multiple configuration images that replace the quiet regions with toggling or unused regions, that swap the heavily-used metal routing paths with lightly-used or unused metal routing paths, or that use random fitter seeds of improve the usage coverage to statistically reduce the always quiet regions on the integrated circuit. The multiple configuration images implement the same design and can be used to reconfigure the integrated circuit upon startup to reduce aging effects and improve circuit performance.

Abstract: Disclosed are a speech recognition method, apparatus, computer device and storage medium. The method includes: performing a framing and an acoustic feature extraction of a speech-information-to-be-tested according to a default rule to obtain a frame-level speech feature sequence; dividing the frame-level speech feature sequence into n blocks sequentially; inputting all blocks into a preset bidirectional LSTM-RNN model parallelly to obtain an output result of the corresponding neuron in an output layer of the preset bidirectional LSTM-RNN model corresponding to the forward recognition result and backward recognition result of each block to obtain a speech recognition result of the speech-information-to-be-tested. The present application can improve the speech recognition effect significantly and reduce the time delay of the speech decoding effectively.

Abstract: The disclosure relates to technology for signal transmission in an optical communication system. An optical transmitter comprises a directly modulated laser (DML) configured to generate a modulated optical signal in response to a modulation signal. The modulated optical signal comprises a first frequency corresponding to a logical one value in the modulation signal and a second frequency corresponding to a logical zero value in the modulation signal. The modulated optical signal has a modulation symbol rate of “R”. The transmitter comprises a controller configured to control the DML to establish a target frequency gap between the first frequency and the second frequency. The transmitter also comprises an optical band pass filter (OBPF) coupled to the DML to receive the modulated optical signal and output a filtered optical signal. The OBPF has a 3-dB bandwidth of less than R.

Abstract: A speech recognition method, comprising: acquiring speech data to be recognized; extracting a Filter Bank feature and a Mel-Frequency Cepstral Coefficient (MFCC) feature in the speech data; using the MFCC feature as input data of a trained Gaussian Mixture Model-Hidden Markov Model (GMM-HMM) model, acquiring a first likelihood probability matrix outputted by the trained GMM-HMM model; using the Filter Bank feature as an input feature of a trained long short-term memory (LSTM) model which has a connection unit, acquiring a posterior probability matrix outputted by the LSTM model; using the posterior probability matrix and the first likelihood probability matrix as input data of a trained HMM model, acquiring an second likelihood probability matrix; and acquiring a target word sequence corresponding to the speech data to be recognized from a phoneme decoding network according to the second likelihood probability matrix.

Abstract: The present invention provides a composition comprising a) a polyacetal polymer, a polyester polymer and/or a biodegradable polymer; b) a cyclic dinucleotide; and c) an antigen and/or an antibody, as well as methods of using same.