5results about How to "Simplify implementation difficulty" patented technology

The invention belongs to the technical field of optical storage all-in-one machine control, and particularly relates to an optical storage all-in-one machine frequency indifference and dynamic mutual damping compound control method. Comprising the following steps: S1, establishing a mathematical model for parallel connection of multiple virtual synchronous generators; s2, carrying out frequency indifference control, enabling the optical storage all-in-one machines to quickly recover to a rated frequency after load disturbance through a distributed frequency consistency algorithm, and achieving the accurate distribution of the active power of each optical storage all-in-one machine; s3, dynamic mutual damping control is carried out, a dynamic mutual damping item is introduced between the optical storage all-in-one machines, the damping characteristic of the system is enhanced, and the problems of active power overshoot and oscillation caused by load disturbance are restrained; according to the method, two strategies of frequency indifference control and dynamic mutual damping control are combined, under the condition of not depending on communication, the frequency stability and power adjustment of the district micro-grid are ensured, and the dynamic response performance and the disturbance rejection capacity of the system are remarkably improved.

The application discloses a ship mobile label tracking method based on video recognition and AIS data fusion, which comprises the following steps: 1, converting the AIS latitude and longitude uploaded by a ship into Cartesian coordinate data; 2, transmitting the Cartesian coordinate data to a video recognition device; 3, predicting the position of the ship; 4, converting the predicted coordinate position into image coordinates; 5, converting the image coordinates into screen coordinates; 6, obtaining the position of the ship in the screen; and 7, binding the mobile label with the screen coordinates of the ship to realize the tracking and hanging of the mobile label. The application provides a ship mobile label tracking method based on video recognition and AIS data fusion, which can not only monitor the near and far distance ships on the sea, but also can simplify the monitoring tracking and realization difficulty and reduce the cost through the fusion of video recognition and AIS data, so as to realize the tracking and monitoring of the passing ships in a mobile label automatic tracking mode.

The invention discloses a correlation type optical time domain reflection signal processing method and system, and relates to the technical field of optical fiber sensing, and the method comprises the following steps: a transmitting end transmits a dual-polarization quadrature phase shift keying optical signal to an optical fiber; a receiving end obtains a coherent superposition signal of the dual-polarization quadrature phase shift keying optical signal reflected by each scattering point of the optical fiber through coherent detection; respectively calculating respective Jones vector inner products according to the dual-polarization quadrature phase shift keying optical signal and the coherent superposition signal, and performing preset correlation operation according to the Jones vector inner products of the dual-polarization quadrature phase shift keying optical signal and the coherent superposition signal to obtain a composite signal. Natural suppression of laser phase noise, obvious weakening of optical fiber front section common optical path disturbance and stable measurement insensitive to polarization state rotation can be realized.

The invention relates to a garment raised pattern manufacturing method which comprises the following steps: step A, pretreatment: preparing a garment fabric, a lining patch and an adhesive film sheet, pretreating the garment fabric, and compounding the lining patch and the adhesive film sheet to respectively obtain a treated garment fabric and a compound sheet; step B, positioning, namely pre-heating a dispensing machine, positioning and placing the composite sheet in a dispensing area, and then paving the composite sheet; step C, pattern manufacturing: operating a dispensing machine, and performing dispensing operation on the fixed composite sheet to enable sprayed glue points to form a coherent preset pattern so as to obtain a composite sheet with a convex pattern; e, combining: combining the patch with the convex pattern with the treated garment fabric to obtain the garment fabric with the convex pattern; the raised patterns on the garment fabric manufactured by the method are strong in three-dimensional effect, the pattern lines are smooth and coherent, the corners have good detail representation, the garment fabric has good use durability, the manual operation is reduced, and the implementation difficulty is simplified.

The invention provides a multi-feedback optical reserve pool system based on an optical fiber ring, which comprises an input layer, a reserve pool layer and an output layer which are connected in sequence, the input layer is used for multiplying a sample signal by a mask signal, the sample signal is modulated on light emitted by a narrow-band laser through a modulator, the light emitted by the narrow-band laser enters the reserve pool layer, and the output layer is used for outputting the light emitted by the narrow-band laser. The reservoir layer is used for providing a laser feedback loop comprising a nonlinear response, and optical fiber rings are used on the feedback loop for multiple times of optical delay.