4results about How to "Improve sensing efficiency" patented technology

The present invention discloses a measurement method and device based on forward light and backward scattering, the method comprising: performing high-order amplification processing on the received backward scattered light and forward light to obtain interference signals and initial beat frequency signals; demodulating the forward light and adding the interference signal to obtain pseudo continuous light; calculating the phase delay difference between the initial beat frequency signals at the same time to obtain vibration position information; converting the initial beat frequency signal to obtain a conversion signal, obtaining a second conversion signal when propagating through the optical fiber to be measured, and reconverting to obtain reflected light information; analyzing the reflected light information and vibration position information to obtain target strain information. The present invention reduces the maintenance cost of the optical communication system by converting single-frequency continuous light into linear frequency modulated continuous light and integrating multiple interferometers for demodulation positioning and strain sensing, realizes ultra-long distance sensing, and performs multi-point vibration and dynamic and static measurements, thereby improving sensing efficiency.

An unmanned aerial vehicle multispectral remote sensing data collection and processing integrated system and method. The system comprises a multispectral camera; an unmanned aerial vehicle, which is connected to the multispectral camera and has an open graph data transmission link; and a DLS and a ground station application, each of which is connected to the unmanned aerial vehicle. The multispectral camera comprises a lens module; an SOC processor platform, which is connected to the lens module by means of an MIPI bridging module; and a serial port communication module, a network transmission module and a storage medium which are respectively connected to an output end of the SOC processor platform. By means of the present application, a hardware architecture of a multispectral camera is optimized, such that the functions of the collection, storage, registration, radiation correction, reflectivity calculation vegetation index calculation, and transmission of spectral image data can be implemented in a routing task of an unmanned aerial vehicle, thereby avoiding the process of copying a large amount of data, reducing the processing pressure of a ground station application end, greatly improving the spectral remote sensing efficiency, and improving the user operation experience; and the present application is suitable for various application scenarios such as unmanned aerial vehicle multispectral remote sensing and detection.

This disclosure provides a display device including a plurality of light-emitting elements disposed on a substrate, and capable of preventing or reducing optical sensor failures by including the following structure, wherein at least one of the plurality of light-emitting elements includes a first electrode disposed on the substrate, a hole transport layer disposed on the first electrode, an electron blocking layer disposed on the hole transport layer, an emitting layer disposed on the electron blocking layer and having a width greater than that of the electron blocking layer, and a second electrode disposed on the emitting layer.

The invention provides a terahertz metasurface biosensor with a double-sided independent sensing function, and relates to the technical field of biomedical detection and advanced materials, and the terahertz metasurface biosensor comprises: a substrate which is made of a material with high permeability to terahertz waves and has a thickness of 100 m; the first resonator array is integrated on the front surface of the substrate and comprises a plurality of first resonators which are periodically arranged along the X axis and the Y axis of the substrate; the first resonator is an asymmetric split ring resonator, the radius of a circular ring-shaped main body is 30 m, the annular width is 5 m, and the opening width is 5 m; and the second resonator array is integrated on the back surface of the substrate and comprises a plurality of second resonators which are periodically arranged along the X axis and the Y axis of the substrate, the second resonators are asymmetric split ring resonators, the radius of an annular main body is 17.5 m, the annular width is 3 m, and the opening width is 3 m. The biosensor provided by the invention realizes a double-sided sensing function, and double-sided sensing is mutually independent and does not influence each other, so that the sensing accuracy and efficiency are greatly improved.