32results about How to "Ease of noise reduction" patented technology

The invention discloses an intelligent steel cord conveyer belt defect identification method and an intelligent steel cord conveyer belt defect identification system. The identification method includes the following steps: (1) electromagnetic loading; (2) defect signal acquisition; (3) feature extraction; (4) training sample obtainment; (5) class priority determination; (6) multi-class model establishment; (7) multi-class model training; (8) real-time signal acquisition and synchronous class: electromagnetic detection units are adopted for real-time detection, detected signals are synchronously inputted into a data processor, features are extracted and then sent into established multi-class models, and the defect class of a detected conveyer belt is automatically outputted. The identification system comprises an electromagnetic loader, a plurality of electromagnetic detection units, the data processor and an upper computer, the data processor can automatically output the defect class of the detected conveyer belt, and the upper computer bidirectionally communicates with the data processor. The design of the invention is reasonable, the invention is easy to operate and convenient to put into practice, moreover, the using effect is good, the practical value is high, the reliability of conveyer belt defect detection is enhanced, and the efficiency of defect identification is increased.

The invention discloses a short-wave spectrum sensing method and a short-wave spectrum sensing system. An RF (radio-frequency) front-end unit dynamically adjusts the center frequency of a narrow-band electric tuning filter for multi-band short-waves at an RF analog front-end, and the Q value of a tuned loop is improved through an effective impedance matching network, thereby controlling the bandwidth of a filter to be fixed at a communication channel bandwidth or slightly greater than the communication channel bandwidth; after carrying out sampling on a signal, an analog-to-digital conversion module converts an analog short-wave signal in a pass band into a digital short-wave signal, and a digital signal processing unit realizes the sensing on the power spectrum of a received signal by using an energy detection algorithm. The method and system disclosed by the invention have the characteristics that the frequency band covering of short-waves is comprehensive, no image interference is introduced, and the method and the system are easy to implement.

The invention relates to the navigation and guidance technologies and provides a technical scheme of a geomagnetic aided inertial navigation method. According to the scheme, at least more than one magnetic measuring apparatus is used for simultaneously measuring real-time geomagnetic information of transporters; and a geomagnetic matching navigation mode is adopted to conduct rough matching, noise reduction and precise matching on the measured real-time geomagnetic information sequentially. The magnetic measuring manner reduces the error of the apparatus and ensures the reliability of the measured value. By adopting the matching mode, the non-matching points with the reference geomagnetic map are eliminated and the range of the noise reduction and the precise matching is reduced, thereby improving the noise reduction efficiency of the real-time geomagnetic information and saving the precise matching time of the non-matching points; and meanwhile, the speed of the precise matching is improved and the precision of the navigation is ensured, thereby further promoting the quality of the geomagnetic aided inertial navigation.

The embodiment of the invention discloses a cooling device for clothes treatment equipment and the clothes treatment equipment. The cooling device comprises a collection container used for collecting condensate water obtained through condensation by an evaporator of the clothes treatment equipment, and a cooling structure arranged on the outer wall of a compressor of the clothes treatment equipment and communicated with the collection container, wherein the cooling structure is used for cooling the compressor and dissipating heat for the compressor through flowing of the condensate water. According to the cooling device for the clothes treatment equipment, the condensate water generated from the clothes treatment equipment is adopted for water cooling, introduction of an external cold source is not needed, and arrangement of a cooling fan is not needed, which is beneficial for reducing cost; in addition, the cooling structure is adopted for cooling the outer wall of the compressor and dissipating heat for the outer wall of the compressor, the situation is not influenced that the exterior of the cooling structure is wrapped by a sound absorption material, noise reduction treatment is conveniently conducted on the compressor, and the contradiction between cooling and noise reduction in the prior art is overcome, which is beneficial for ensuring the cooling effect and reducing noise of the clothes treatment equipment.

The invention provides a mounting head control system. The mounting head control system consists of a mounting head controller, an industrial mainboard, a Mark point camera, a Z axis moving module, a flight camera, a pneumatic module, an R axis motion module and an inductor module. The mounting head control system is characterized in that the Mark point camera, the Z axis moving module and the flight camera are connected to the industrial mainboard; the mounting head controller is connected to the pneumatic module, the R axis motion module and the inductor module; and the mounting head controller is connected to the industrial mainboard. The mounting head control system and method use a modularization idea and use a mounting head controller to be connected to the industrial mainboard, independently take charge for data processing of the pneumatic module, the R axis motion module and the inductor module, realize material absorbing and discharging of a mounting shaft, and member rotation in an R direction; the inductor is in charge of data collection of the pneumatic module and the R axis motion module and is in communication with the industrial mainboard through a CAN bus, which makes the whole system faster and more efficient. The mounting head control system and method effectively improve a material absorbing speed, reduce vacuum detection fluctuation and provide convenience to noise reduction processing of a detection signal of a simulation pressure sensor.

The invention discloses a novel explosion-proof motor noise reduction device in the field of motors. The device comprises a motor mechanism, and the motor mechanism comprises an explosion-proof motor,a base, a positioning bolt and a rotor. Compared with the prior art, the device has the beneficial effects that the motor mechanism is conveniently limited in the anti-explosion motor through the arranged fixing mechanism, and the noise generated in the rotating process of the rotor of the anti-explosion motor can be greatly reduced through the use of the first honeycomb plate in the noise reduction box to achieve the noise reduction effect; the noise reduction mechanism is arranged outside the fixing mechanism in a sleeving manner; noise generated in the working process of the explosion-proof motor can be well reduced; good noise reduction treatment is carried out through the second honeycomb plate and the inorganic fiber plate; and the honeycomb plate has a good anti-vibration effect, the problem that the noise reduction mechanism falls apart due to vibration generated in the working process of the explosion-proof motor is avoided, and the connectivity of the connecting position between the fixing mechanism and the noise reduction mechanism can be better made more compact through the top cover and the fixing bolts.

The embodiment of the invention provides a dark light image noise reduction method and device. The method comprises the following steps: acquiring a RAW domain dark light image; performing preset image enhancement transformation on the RAW domain dark light image, and inputting the transformed image into a pre-trained noise reduction network model to obtain an output image; wherein the noise reduction network model is trained according to sample images, and the sample images comprise a simulation dead pixel dark light image and a noise-free image; and performing inverse transformation of preset image enhancement transformation on the output image to obtain a noise-reduced image. The influence of image dead pixels on the dark light image noise reduction process can be remarkably reduced, and the noise reduction quality of the dark light image is improved.

The invention relates to a noise reduction processing method and device, a terminal and a storage medium. The method comprises the following steps: acquiring to-be-processed first audio information; determining a to-be-processed spectrum feature of the first audio information; determining an acoustic scene type to which the first audio information belongs according to an acoustic scene classification model and the to-be-processed spectrum features; and performing noise reduction processing on the first audio information according to the acoustic scene type to obtain second audio information after noise reduction. According to the method, the first audio information is subjected to noise reduction processing in different modes according to the acoustic scene type, so that the noise-reduced audio information after noise reduction is accurately, efficiently and simply obtained, a user does not need to know excessive software operation knowledge and knowledge in the sound field, audio processing can be well achieved, video processing is well achieved, and the user experience is improved. And the use experience of the user is improved.

The invention discloses intelligent wearing equipment with the function of recognizing characteristic human voice and a using method of the equipment, and relates to the related field of wearing equipment. The equipment and the using method solve the problems in the prior art that the voiceprint recognition speed is low, the precision of recognizing the characteristic human voice is not high enough, and safety precautions on storage data are insufficient. Watchband connecting pieces are arranged at the upper and lower ends of a shell, a fixation cavity is formed in one end of each watchband connecting piece, a watchband is arranged at one end of each fixation cavity, and a fixation rod is arranged at one side of the upper end of each watchband connecting piece; a watch face is arranged inthe middle of the shell, anticollision angles are arranged at the corners of the shell, a horn is arranged at one side of the front end face of the shell, a subsidiary digital MIC is arranged at the upper end of the front end face of the shell, and a main digital MIC is arranged at the lower end of the front end face of the shell.

The invention discloses a dry-type transformer. The dry-type transformer comprises a transformer body and a protective shell matched with the transformer body, a mounting seat is arranged in the protective shell, and the mounting seat is movably connected with the bottom wall of the protective shell; an opening is formed in one side of the protective shell, a cover plate is hinged to the lower edge of the opening, the surface of the cover plate and the inner bottom wall of the protective shell are located on the same horizontal plane when the cover plate is flatly laid, and a limiting plate is connected to the lower portion of the cover plate; and a heat dissipation structure and a noise reduction structure are further arranged in the protective shell. The protective shell is arranged outside the transformer body, good noise reduction treatment can be carried out in cooperation with the noise reduction structure, after the cover plate is dumped and laid flat, the surface of the cover plate and the inner bottom wall of the protective shell are located on the same horizontal plane, the mounting base movably connected with the protective shell can drive the transformer body to the cover plate, and overhaul and maintenance are convenient.

The invention provides a negative pressure automatic protection device, which comprises a negative pressure intake pressure regulating device and a compressor, wherein a negative pressure output device is arranged between the negative pressure intake pressure regulating device and the compressor; an isolation battle is arranged on the negative pressure output device; and an automatic drainage device is arranged in the isolation bottle. The negative pressure automatic protection device can effectively prevent liquid from being absorbed into the compressor, a pneumatic adjusting device and the like, so that great loss is avoided; and the space of an instrument is saved for a blood sample clot filtering device for noise reduction treatment of the compressor.