Abstract: To-be-compressed data is compressed to obtain first compressed information. The first compressed information includes: first base information and first location indication information, or first base information, first coefficient information, and first location indication information. The first base information includes M pieces of first data in the to-be-compressed data. The first coefficient information includes first coefficient sub-information respectively corresponding to N pieces of second data in the to-be-compressed data. The first coefficient sub-information of the second data includes an expression coefficient of at least one piece of first data in the M pieces of first data for the second data. The first location indication information indicates locations of the M pieces of first data and/or locations of the N pieces of second data in the to-be-compressed data. The first compressed information is sent.

Abstract: A method for feeding back a sensing measurement result based on UWB and an apparatus are applied to a UWB-based WPAN system, for example, the 802.15.4a protocol, the 802.15.4z protocol, or the 802.15.4ab protocol in 802.15 series protocols, or may be applied to a wireless local area network system, a sensing system, or the like in 802.11 series protocols such as a next-generation Wi-Fi protocol of IEEE 802.11ax, for example, 802.11be, Wi-Fi 7, or EHT, and a next generation protocol of 802.11be, for example, Wi-Fi 8. The method includes: A transmitter sends control information; and correspondingly, a receiver receives the control information. Then, the receiver sends feedback information, and correspondingly, the transmitter receives the feedback information. According to the technical solutions provided in this application, signaling overheads can be effectively reduced.

Abstract: An optical measurement system measurement system for examining a sample. The measurement system comprises an internally reflective element, a stage, an optical assembly, a chassis, and a sensor. The internally reflective element has a contact surface. The stage is positioned below the internally reflective element. The stage and the internally reflective element are configured to apply a force to the sample. The optical assembly comprises a light source and a light detector. The optical assembly is configured to scan the sample by directing source light from the light source towards the contact surface and detecting source light optically interacting with the contact surface by the light detector. The chassis is configured to support the optical assembly and the internally reflective element. The sensor is mounted to the chassis and configured to detect the force applied to the sample by the internally reflective element and the stage.

Abstract: This application provides a data compression method and a communication apparatus. The method includes: A communication apparatus determines, based on first data, a first initial basis vector and a first data space corresponding to the first initial basis vector. The communication apparatus determines first basis information based on second data that is in the first data and that belongs to the first data space. The communication apparatus performs data compression on the second data by using the first basis information, to obtain first compressed data. The communication apparatus sends first information, where the first information indicates the first basis information and the first compressed data.

Abstract: A method includes determining M frequencies, where a sum of phases corresponding to a plurality of frequencies among the M frequencies modulo 2? equals 0; sending frequency information of the M frequencies to a receiver device; and sending a sensing signal to a target object through the M frequencies.

Abstract: The present invention discloses a pH-responsive analgesic drug targeting an injured segment of a dorsal root ganglion and an application thereof and belongs to the technical field of biomedicine. On the basis that the injured segment of the dorsal root ganglion continuously exists in a local acidic environment under the condition of neuropathic pain caused by a peripheral nerve injury, the present invention proposes to prepare the analgesic drug for the peripheral nerve injury by using the injured segment of the dorsal root ganglion as a drug action target, and embedding the analgesic drug in a pH-responsive carrier, such that the analgesic drug is released at the site of the injured segment of the dorsal root ganglion and then plays a role to achieve an analgesic effect reaching an analgesic level of systemic action of the same drug.

Abstract: This application discloses a sensing method and a communication apparatus, to improve sensing performance. The method includes: A first communication apparatus determines first information, where the first information indicates a pulse repetition interval PRI. The first communication apparatus sends the first information to a second communication apparatus. Correspondingly, the second communication apparatus receives the first information from the first communication apparatus. The first information is used by the second communication apparatus to send a reference signal, and a periodicity of the reference signal in time domain is less than or equal to the PRI. The second communication apparatus sends the reference signal to the first communication apparatus based on the first information. Correspondingly, the first communication apparatus receives the reference signal from the second communication apparatus. The first communication apparatus senses a to-be-sensed target based on the reference signal.

Abstract: A first communication apparatus determines a first frequency domain resource, where the first frequency domain resource is determined from a frequency domain resource pool based on a sensing requirement parameter. The first communication apparatus sends a sensing signal on the first frequency domain resource.

Abstract: The present disclosure discloses a clutch structure for a combination lock, comprising a combination lock module, which comprises a fixed ring and a lock cylinder connected to the fixed ring. One end of the lock cylinder is provided with ratchet teeth, and the side of the lock cylinder is provided with a Rotational detent step. One end of the lock cylinder is provided with a lock bar fixing block located within the Rotational detent step, and the lock bar fixing block is connected via a first pin to a lock bar body that meshes with the ratchet teeth.

Abstract: A removably insertable detector module for a spectroscope. An example microscope system includes a microscope plate, a plurality of posts fix-mounted to the microscope plate, and a detector module removably mounted to the microscope plate. The posts align the detector module with respect to the microscope plate. The detector module includes a detector base plate, a detector fix-mounted on the detector base plate, and an optical element fix-mounted on the detector base plate. The optical element is configured to receive a light and direct the light to the detector.

Abstract: Disclosed is a bubbling humidifier suitable for high-flow fuel cell test equipment, comprising an upper and lower tank, an aeration device and an anti-boiling device; wherein the upper tank and the lower tank are connected and the aeration device and the anti-boiling device are arranged inside the tank. The present disclosure adopts a bubbling humidifier suitable for a high-flow rate fuel cell test equipment, which uses circulating water to complete humidification of gas. effectively improving humidification while reducing humidifier dimensions, lowering production costs, and facilitating widespread adoption; the design of water inlet and water outlet pipelines slows down the flow of circulating water in the tank, reduces the disturbance of circulating water to gas, and improves the stability of the humidifier; the design of the anti-boiling device effectively prevents the water from rushing out of the tank when the gas flow rate is too high.

Abstract: A data communication method and a related apparatus are provided, and the data communication method includes: constructing, by an access device, a beacon frame, where the beacon frame includes a newly added field, and the newly added field represents multiple data guard interval lengths supported by the access device; and broadcasting, by the access device, the beacon frame, so that a terminal selects an available guard interval length matching a data guard interval length supported by the terminal from the beacon frame, and performs data communication with the access device by using the available guard interval length. By using the present invention, data communication between the access device and the terminal can be implemented when the access device supports multiple data guard interval lengths.

Abstract: Methods and systems for automatically adjusting a sample position in a spectrometer, such as a Fourier-transform infrared (FTIR) spectrometer, are described. The sample may be automatically positioned using an auto-focusing procedure. For example, images including an aperture marker are acquired by directing light towards the sample via an aperture. The sample position may be adjusted based on features extracted from the aperture marker images.

Abstract: A sensing method includes determining, by a first communication apparatus, first information. The first information indicates a pulse repetition interval (PRI). The sensing method also includes sending, by the first communication apparatus, the first information to a second communication apparatus. The first information is used by the second communication apparatus to send a reference signal, and a periodicity of the reference signal in time domain is less than or equal to the PRI. The sensing method further includes receiving, by the first communication apparatus, the reference signal from the second communication apparatus. The sending method additionally includes sensing, by the first communication apparatus, a to-be-sensed target based on the reference signal.

Abstract: A data transmission method includes: generating a first data packet, where a signaling field in the first data packet includes bandwidth information and space-time stream information, the bandwidth information is used to indicate first bandwidth, and the space-time stream information is used to indicate k first space-time stream quantities corresponding to k receive ends, where k?1; and sending the first data packet to the k receive ends, where a maximum value of the first bandwidth is greater than 160 MHz, and/or the k first space-time stream quantities meet a preset condition, where the preset condition includes: when k=1, a maximum value of the first space-time stream quantity indicated by the space-time stream information is greater than 8, and when k>1, a maximum value of a sum of the k first space-time stream quantities is greater than 8.

Abstract: This application discloses a method includes: determining a first frequency domain resource, where frequency baselines formed by the first frequency domain resource meet a P-level redundancy distribution. Sending a sensing signal on the first frequency domain resource. The P-level redundancy distribution meets a first condition and a second condition. The first condition includes: The frequency baselines formed by the first frequency domain resource include a frequency baseline of a first length; and the first length is k*length of a minimum frequency baseline, k is a positive integer belonging to [1, K], K is a ratio of a length of a maximum frequency baseline to the length of the minimum frequency baseline. The second condition includes: In the frequency baselines formed by the first frequency domain resource except largest (P?1) and smallest (P?1) frequency baselines, a quantity of redundancy distribution times is greater than or equal to P.

Abstract: This application provides a data processing method and apparatus, and relates to the field of data compression. The method includes: obtaining to-be-compressed data; sequentially performing n times of preset processing on the to-be-compressed data to obtain preprocessed data, where the preset processing includes: performing a differential operation on rows of a to-be-operated matrix, or performing a differential operation on columns of the to-be-operated matrix, where the to-be-operated matrix is a matrix obtained through a previous time of the preset processing, or the to-be-operated matrix is a matrix formed by the to-be-compressed data; and compressing the preprocessed data through entropy encoding, to obtain compressed data.

Abstract: A data transmission method and apparatus are disclosed, to help reduce quantization loss of data that is not uniformly distributed, thereby improving data transmission efficiency. The method includes: selecting a target data distribution model from a plurality of data distribution models based on to-be-compressed data, the plurality of data distribution models, and a first uniform quantizer; determining target compressed data based on the target data distribution model; and sending the target compressed data and first information to a receive end, where the first information includes information identifying the target data distribution model.

Abstract: The provided is a torsional guided wave-based blood viscoelasticity measurement device and method using a capillary metal tube. The device includes a housing, a capillary metal tube, a signal receiving module, and a signal excitation module, where the capillary metal tube is disposed inside the housing and configured to hold a blood sample; the signal excitation module is disposed at one end of the capillary metal tube and includes a cuboid permanent magnet and an electrode; the signal receiving module is disposed at the other end of the capillary metal tube and includes a cylindrical permanent magnet and a receiving coil; an excitation is performed on the capillary metal tube to generate a torsional guided wave; when a fluid viscosity in the tube changes, energy attenuation of the guided wave propagating along the tube differs; and the guided wave energy attenuation is defined to reflect a relative blood viscosity.