Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

147results about How to "Improve pickup effect" patented technology

Pickup method and device based on double microphones and computer equipment

The invention provides a pickup method and device based on double microphones, computer equipment and a computer readable storage medium, and the method comprises the steps: receiving a sound signal through the double microphones, converting the sound signal into a double-channel frequency domain signal, and carrying out fixed beam forming of double-channel frequency domain data, thereby generating a first single-channel frequency domain signal; performing noise reduction on the first single-channel frequency domain signal according to a preset algorithm to obtain a second single-channel frequency domain signal; and finally, converting the second single-channel frequency domain signal into a time domain, generating a final audio signal, and completing the whole pickup process of the doublemicrophones. In the process of realizing sound pickup, the whole sound pickup process can be completed only by the double microphones, so that the hardware production cost is effectively reduced. Inthe noise reduction process, the preset algorithm calculates the voice existence probability and updates the noise spectrum by using the double-microphone coherence function, so that the robustness tofar-field reverberation and noise is greatly improved under the condition that the calculated amount is small, and the pickup effect is effectively improved.
Owner:深圳市友杰智新科技有限公司

Suction nozzle used for sweeper truck and sweeper truck

The invention discloses a suction nozzle used for a sweeper truck and the sweeper truck. The suction nozzle used for the sweeper truck comprises a front baffle, a hoarding plate, a top plate and a suction pipe, the front baffle, the hoarding plate and the top plate define a suction nozzle cavity with an opening formed at the lower end, a connecting hole is formed in the top plate, the suction pipe is installed on the top plate through the connecting hole and communicated with the suction nozzle cavity, a channel used for large-size garbage to enter therein is formed in the front baffle, and the suction nozzle used for the sweeper truck is further provided with a self-adaption adjusting mechanism used for blocking or opening the channel. Therefore, the channel special for the large-size garbage on the road surface to enter therein is formed in the front baffle, meanwhile, the self-adaption adjusting mechanism used for blocking or opening the channel is arranged, therefore, the suction nozzle cavity can be designed into a small cavity, so that the suctioning and lifting capacity is promoted, when the large-scale garbage exists on the road surface, the channel is opened automatically, and when the large-scale garbage is suctioned, the channel is automatically restored to a normal inlet of great suctioning and lifting capacity.
Owner:长沙普罗科环境装备有限责任公司

Pressure-differential classification suction pickup sweeper

The invention discloses a pressure-differential classification suction pickup sweeper, which comprises a sweeper chassis. A water tank, an auxiliary engine, a hydraulic driving system, a fan, a garbage can, a blowing-suction-type suction nozzle mechanism, a pure-suction-type suction nozzle mechanism, a sweeping mechanism and a sweeping spraying system are arranged on the sweeper chassis; and the hydraulic driving system and the fan are powered by the auxiliary engine, the blowing-suction-type suction nozzle mechanism is powered by the fan, the sweeping spraying system is powered by a chassis battery, the sweeping mechanism and the garbage can are powered by the hydraulic driving system, the blowing-suction-type suction nozzle mechanism and the pure-suction-type suction nozzle mechanism both communicate with the garbage can, the blowing-suction-type suction nozzle mechanism is used for conducting suction pickup on garbage with the large specific weight, and the pure-suction-type suctionnozzle mechanism is used for conducting suction pickup on garbage with the small specific weight. According to the pressure-differential classification suction pickup sweeper, the garbage, with the different specific weights, such as leaves, floating dust and earth and stone particles can be subjected to separated suction pickup, the pavement sweeping efficiency and cleanliness can be improved greatly, reentrainment can be reduced greatly, and the advantages of high operation efficiency, good cleaning effect, low energy consumption and the like are achieved.
Owner:中国重汽集团湖北华威专用汽车有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products