3results about How to "Strong anti-electromagnetic interference" patented technology

The invention provides a photoelectric sensing inertial sensor and a manufacturing method thereof, and the sensor comprises a semiconductor substrate which is internally provided with an annular cavity; a light conduction device is arranged in a circle defined by the annular cavity and is used for transmitting light to the inner side wall of the circumference of the annular cavity along the radius; the light source is used for emitting light rays vertically emitted to the circumferential plane of the annular cavity; a modulation device is arranged in a vertical projection area of the light source to the plane where the light conduction device is located and used for modulating a light source beam to the radius direction of the annular cavity; the light receiving devices are uniformly arranged on the circumferential side wall of the outer side of the annular cavity; and the inertial body is located in the annular cavity and can rotate around the annular cavity, and when the inertial body rotates to the position of a certain light receiving device, the inertial body can shield the light receiving device to receive light beams. According to the invention, the miniaturization of the sensing device is realized, the manufacturing cost is greatly reduced, the comprehensive damping is small, the test error is low, and the impact resistance is higher.

The application discloses a kind of slope displacement monitoring method, equipment and medium based on quantum single photon, belong to displacement monitoring technical field.The application is by emitting rectangular light pulse according to cycle, utilizes single-photon detector to complete echo detection and constructs photon counting time sequence, carries out wavelet denoising and reconstruction processing to it, extracts main peak position shift, energy change and form distortion matches multi-class feature vector, then carries out feature fusion and solution by multi-source feature fusion BP neural network, finally outputs high-precision slope displacement result.The application combines quantum single-photon detection technology with wavelet denoising, neural network fusion algorithm, effectively suppresses noise interference, improves displacement feature extraction accuracy, and is suitable for high-precision, long-distance real-time monitoring of slope micro-deformation.

The invention belongs to the technical field of electronic digital equipment, and relates to a low-leakage reinforcing all-in-one machine. The low-leakage reinforced all-in-one machine comprises a front panel assembly and a rear shell assembly, the front panel assembly comprises a front panel and a binding touch liquid crystal screen module arranged in the front panel, a fingerprint module is further arranged on the front panel, and the rear shell assembly comprises a rear shell in butt joint with the front panel. A conductive rubber strip is arranged at the connecting position of the front panel and the rear shell, a shielding cavity is formed in the machine shell, a conductive rubber strip is arranged at the connecting position of the rear cover plate and the rear shell, an independent electromagnetic shielding cavity is formed in the back of the rear cover plate, and the binding touch liquid crystal screen module, the external interface board and the fingerprint module are installed in the front panel assembly. The main board, the power supply battery, the heat dissipation assembly, the filtering assembly, the touch panel and the like are arranged in the rear shell assembly, main electron radiation components are all provided with independent shielding cavities for electromagnetic shielding, the good anti-electromagnetic interference capacity and the good information leakage prevention capacity are achieved, and the vehicle-mounted electronic device can be used in the military vehicle-mounted special environment.