44results about How to "Fix implementation issues" patented technology

The invention belongs to the field of aircraft flight load actual measurement and relates to a method for actually measuring wing torque loads of a high-manoeuvrability aircraft. The method comprises the following steps: 1, determining a structure or a part sensitive to influences of wing aerodynamic loads on wing torque loads by virtue of wing finite element computation and analysis; 2, realizing a torque load test system for each section of wings by virtue of adopting a sensitive torque bridge piece distribution scheme and a torque bridge combination technology; 3, performing a ground calibration test on the torque loads according to the structure or part sensitive to the influences of the aerodynamic loads on the wing torque loads, thereby obtaining conversion relation between external loads and bridge strain gauge signals by virtue of the ground calibration test; 4, performing a flight load actual measurement flight test, thereby obtaining the torque loads of each section of the wings according to the bridge strain gauge signals during flight. The method has the advantages that by virtue of aiming at the implementation difficulty in aircraft wing torque load actual measurement, the implementation problem of a torque load flight actual measurement test is solved, and the accuracy and high precision of the wing torque load test are ensured.

A spatial non-cooperative target autonomous relative navigation in-orbit validation system based on image information is disclosed. A target release mechanism receives an instruction from an on-boarddata bus to release a space-borne target, and the space-borne target has spatial non-cooperative target characteristics and enters the measurement range of a binocular camera; the binocular camera carries out stereoimaging and transmits sidereal time, satellite orbit, satellite attitude angle, binocular camera installation azimuth and pitch angle information to a data memory module; a data processing module carries out autonomous relative navigation calculation in real time, and calculated corresponding sidereal time and calculation results are sent to a ground data receiving system through adata transmission system; and the ground data receiving system stores the received data and carries out relative navigation calculation to obtain relative orbit and observation residual error of the non-cooperative target, and the calculation results are compared with the calculation results downloaded by the data transmission system so as to validate the on-board autonomous relative navigation.

The invention relates to a method for realizing great circle flight of an aircraft in constant height between isometric waypoints. The method is characterized by comprising the following steps of: providing specific implementation steps for realizing great circle flight of the aircraft in constant height between two isometric points through calculating real-time offset between an actual route and an ideal great circle route; and further expanding to great circle flight of the aircraft in constant height between the isometric waypoints. Through carrying out simulation verification on the method, the problem of realization of great circle flight of the aircraft in constant height can be well solved through regulating real-time height and real-time direction of the aircraft, the accuracy is high, and the requirement on mobility of the aircraft is low, so that the method can be applied to various research objects.

The invention discloses a method and a device for protecting a point-to-multipoint pseudo-wire (P2MP PW). The method comprises the following steps of: determining a switching node in the P2MP PW according to a PW routing table, wherein the switching node establishes a main P2MP PW and a standby P2MP PW; and switching a flow to the standby P2MP PW by using the switching node when the main P2MP PW fails. By the method and the device, the problem of specific implementation of a P2MP PW protection network in related technology is solved, and the stability and the safety of the P2MP PW are improved.

An external-loop power controlling method includes preparing a table by obtaining a mapping relation between coding error rate of TPC symbol and bit coding error rate, finalizing conversion of top-layer configured TPC object symbol BER to bit BER by checking table then estimating bit BER in real time in period of external-loop power control and carrying out external-loop power control based on said bit BER.

The method is suitable for the technical field of image registration. The invention provides a dual-mode deep learning descriptor construction method based on graphic primitives. According to the method, attribute categories of patch images are learned by labeling samples, geometric features of the patch images are learned by utilizing graphic primitives, and the attribute categories and the geometric features are fused to obtain feature vectors of local patch images, namely descriptors based on the graphic primitives. Registration between the patches is completed by describing similarity of the sub-vectors. According to the dual-mode deep learning descriptor construction method based on the graphic primitives, which is provided by the invention, a descriptor classification method calculated by a GPU (Graphics Processing Unit) is explored aiming at the defect that a classic image registration method is relatively large in CPU (Central Processing Unit) calculation amount. A descriptor training set is mainly established, a multi-mode convolutional network is constructed, categories and geometric modes are trained on a GPU, and classification and registration of local patch images areachieved. The classification description method of the descriptors and the implementation problem on the GPU are solved.

The invention discloses a protection method and device for point-to-multipoint pseudowires (P2MP PW). The method comprises the following steps: a switching node in a P2MP PW is determined according to a pseudowire PW routing table, and the switching node sets up a main P2MP PW and a spare P2MP PW; and when the main P2MP PW breaks down, a flow path is switched to the spare P2MP PW through the switching node. By the invention, the concrete realization problem of a P2MP PW protection network in related technologies is solved, and the stability and the safety of the P2MP PW are improved.

The invention discloses a device of packet business network and a method thereof. The device consists of a session control unit and a business control unit. The session control unit connects a user-group through an SIP protocol; and sends the information of the user-group to the business control unit through the SIP protocol; group business processing is carried out by the business control unit according to the information of the user-group. The invention can realize the group business on an NGN.

The invention belongs to the technical field of aero-engine turbine blade cooling, and particularly relates to a turbine blade branch net type cooling structure. A cylinder supporting structure in the branch net type cooling structure is perpendicular to the outer surface of a turbine guide blade margin plate, and a net-shaped connecting structure is approximately parallel to the outer surface of the margin plate. The cylinder supporting structure in the branch net type cooling structure is composed of cylinders with the diameter phi D1, the cylinders are arranged in a regular triangle shape, the cylinders are located at the vertexes of the regular triangle respectively, and the side length of the regular triangle, namely the distance L between every two adjacent cylinders, is 3-5 mm. Compared with a conventional cooling scheme, the structure covers the outer surface of the margin plate, the heat exchange area on the cold air side can be remarkably increased, the disturbance degree of cooling airflow is enhanced, and therefore the cooling effect is effectively improved. In addition, the anti-deformation capacity of the margin plate can be enhanced through the structure, and manufacturing is easy.

The invention provides a monocoque vaporization fuel economizer and a manufacturing method of the monocoque vaporization fuel economizer. The monocoque vaporization fuel economizer comprises a magnetic sheet (4) and a functional layer (3) and further comprises a first hard plastic sheet (2) and/or a second hard plastic sheet (5). The functional layer (3) is arranged on the first hard plastic sheet (2) and/or the second hard plastic sheet (5). The magnetic sheet (4) is arranged inside the first hard plastic sheet (2) and/or the second hard plastic sheet (5). The first hard plastic sheet (2) and/or the second hard plastic sheet (5) are/is used as a structure body to support the whole monocoque vaporization fuel economizer. The monocoque vaporization fuel economizer has the advantages of being simple in structure, high in applicability and good in reliability.

The invention belongs to the optical field, and particularly relates to a high-order mapping spectral imaging system and a method. Based on high-order mapping, a novel high-order mapping spectral imaging method is provided. Unlike general transformation, high-order mapping has the features corresponding to different sets and features of high-dimensional transformation, and thus, the transformation domain is wider, and the transformation dimension is higher. Meanwhile, as slit dispersion and filter light splitting are cancelled, the high resolution is ensured, and the multichannel advantages brought by high-order mapping can ensure a high signal-to-noise ratio. Particularly, high-order mapping can realize consistent detection on multi-dimensional information, and in comparison with a multi-dimensional information detection mode of single-dimensional information detection firstly and then combination, hardware requirements are reduced. The system and the method of the invention have the beneficial effects that the high-resolution spectral imaging system realization problem is solved; the problem that the high-signal-to-noise ratio spectral imaging energy is not enough is solved; and the high-dimensional spectral imaging technical means problem can be solved.