36results about How to "Susceptible" patented technology

There is provided an image encoding system (300, 400) including an encoder (300) for receiving input image data and generating corresponding encoded image output data. The encoder includes image processing features (310, 320, 330, 360) for processing said input image data to generate for each input image therein a plurality of corresponding image layers including at least one basic layer BLOP and at least one enhancement layer ELOP. Moreover, the encoder (300) further includes encoding features (350) for receiving said image layers and generating therefrom the encoded image output data. The encoding features further comprising block selecting features (340) for selecting one or more sub-regions of said at least one enhancement layer and modelling said one or more sub-regions for representation thereof in the image output data by way of descriptive model parameters.

The invention discloses a device and a method for measuring rotational speed on the basis of an electrostatic sensor array and data fusion, and belongs to the technical scope of measurement of rotational speed. The device for measuring the rotational speed on the basis of the electrostatic sensor array comprises a group of electrostatic sensors, the electrostatic sensors are equidistantly mounted on the periphery of the edge of a measured rotating component to form the electrostatic sensor array, an electrostatic signal reflecting rotational information of the component is generated by the electrostatic sensor array via electrostatic induction, is amplified and filtered by a conditioning unit, and is fed into a microprocessor system via a signal processing unit, and all electrostatic signals are subjected to multi-channel correlation analysis, rotational speed computation and the data fusion in a microprocessor, so that the rotational speed of the measured rotating component is acquired. Compared with existing methods for measuring rotational speed, such as an analog method, a stroboscopic method and a counting method, the method for measuring the rotational speed on the basis of the electrostatic sensor array has the advantages that the structure of the device is simple, cost is low, influence of environmental factors is avoided, the method is a non-contact measurement method, and accuracy is high.

The invention discloses a method and device used for detecting radial drifting of a rotator based on electrostatic sensor arrays and belongs to the technical scope of radial vibration detection of rotary machinery. The device used for detecting radial drifting of the rotator comprises one or more sets of electrostatic senor arrays which are installed on the periphery of the rotator to be detected. According to the method and device used for detecting radial drifting of the rotator based on the electrostatic sensor arrays, an electrostatic signal is generated by each electrostatic sensor through electrostatic induction in the operating process of the rotator, each electrostatic signal is amplified and filtered through a signal conditioning unit and is converted through an analog-digital converter, digital signal processing is then carried out on each converted signal in a microprocessor, the electrostatic strength of a plurality of sets electrostatic signals acquired are calculated and analyzed, and then information of radial drifting of the rotator is obtained. Compared with an existing electrical vortex sensor or an existing laser displacement sensor, the device used for detecting radial drifting of the rotator by means of the electrostatic sensor arrays has the advantages of being simple in structure, low in cost, convenient to operate and maintain, not prone to influence of environmental conditions and the like.

The invention discloses a piezoelectric sensor-based on-line measurement device and method for particle size distribution, which belong to the field of gas-solid two-phase flow on-line measurement technique. The on-line measurement device is characterized in that: a collision induction probe is inserted in the middle of a gas-solid two-phase flow pipeline; a piezoelectric sensor is arranged on the collision induction probe; a signal conditioning plate and a data acquisition module are connected with the piezoelectric sensor and a signal processing system; when solid particles are collided with the collision induction probe, the piezoelectric sensor senses a particle collision signal and sends the particle collision signal to the signal conditioning plate and the data acquisition module; and the particle size distribution is obtained through signal processing software and a collision particle model. The device has the characteristic that the piezoelectric sensor is utilized to obtain the collision signal of small particle collision directly so as to realize real-time monitoring on the particle size distribution; the influence of background noise on the collision signal is reduced; and a collision dynamics principle is utilized to build a mathematical model of the collision signal and the particle size, so that the size distribution of measured particles in the pipeline is obtained.

The invention discloses an incrustation-resistant stainless steel faucet and a manufacturing method thereof. A base body of the incrustation-resistant stainless steel faucet is cast through OCr19Ni10Nb, micro-pit structures with the coverage rate not lower than 99% and the grain size ranging from 5 microns to 8 microns are densely distributed on the surface, and a hexamethyldisiloxane hydrophobicfilm layer is fixed. Austenitic stainless steel serves as the base body of the incrustation-resistant stainless steel faucet, the technology is simple and mature, the surface has the lotus leaf effect, and cleaning is easy.