3results about How to "Applicable testing" patented technology

An endoscope auxiliary device for pipeline detection, comprising a mounting frame and a plurality of support structures connected to the mounting frame, each of the support structures comprising two cross arranged support rods, the mounting frame being length adjustable, and each end of the mounting frame being provided with a fastening structure for fixing the endoscope; the fastening structure comprising a plurality of fasteners forming a ring structure, the fasteners being provided with first adjusting members for adjusting the position of the fasteners; compared with the prior art, the endoscope is fixed by the fastening structure, so that the endoscope is more stable when moving in the pipeline and detecting, and the shaking of the endoscope is avoided to affect the detection structure, and at the same time, the fastening structure comprises a plurality of fasteners, the endoscope is fixed around by the fasteners, and the position of the corresponding fasteners is adjusted by the first adjusting members, so that the fixation of endoscopes of different sizes and shapes is satisfied.

This invention discloses a camera detection method and system based on electromagnetic radiation signals. The method includes the following steps: acquiring radio frequency signals from the environment and performing preprocessing and spectrum analysis; detecting and marking peak points in the spectrum; grouping the marked peak frequencies and calculating the basic interval frequency of each group; determining whether the basic interval frequency of each group matches the camera clock frequency range; if a match is found, retaining the corresponding peak frequency group; discarding or merging peak frequencies; and further determining whether horizontal synchronization signal component coupling occurs within each peak frequency of the retained peak frequency group; if such coupling occurs, a camera device is detected. This invention can utilize the specific signal spectrum generated by the coupling modulation of the data signal line and clock signal line on the CSI connection cable during camera operation to detect unknown, concealed cameras. It is suitable for private occasions such as confidential meetings and private conversations, with an effective distance of 20 centimeters.

The invention discloses an aluminum alloy component detection method and system based on LIBS and PLS, and belongs to the technical field of metal material component analysis. The method comprises the following steps: 1, carrying out deoxidation flattening treatment on an aluminum alloy sample, and focusing on the surface of the aluminum alloy sample by using an aluminum alloy component detection system to obtain an LIBS spectrum of the aluminum alloy sample; 2, carrying out abnormal spectrum elimination on the LIBS spectrum of the aluminum alloy sample through a Pauta method, then carrying out background interference elimination and spectrum normalization by adopting a window translation minimum value method and sub-channel background intensity normalization, and extracting a characteristic peak of a normalized spectrum strongly related to the components of the aluminum alloy sample; 3, using PLS to construct and train an aluminum alloy component prediction model; and 4, inputting the characteristic peak of the normalized spectrum of the aluminum alloy sample into the trained aluminum alloy component prediction model to obtain a component prediction result of the aluminum alloy sample. Compared with the prior art, non-destructive rapid high-precision second-level detection of aluminum alloy components is realized.