78results about How to "Improve the strike effect" patented technology

The invention provides a method for controlling coordinated operation of multiple missiles, which can accurately control the position, attack time, attack angle and attack velocity of each of the multiple missiles. The method comprises the following steps: selecting one missile from the multiple missiles to serve as a driving missile, and defining the rest missiles as driven missiles; assigning a virtual lead point to the driving missile as well as each of the driven missiles, and designing the path of motion of each lead point; determining the law of motion of the lead points in an arc coordinate system; establishing a model of relative motion of missiles and the lead points; designing the relative distances xr, yr and zr between the missles and the virtual lead points according to the needs of the missiles for cooperation in terms of position, attack angle and attack velocity; and designing a tracking controller based on the relative kinetics theory and allowing the missiles to fly in a way of tracking the virtual lead points with the designed relative distances, so as to perform coordinated operation. The method has the advantages of convenience in application and flexibility in use and has broad application prospects in the military field.

The invention relates to aluminum-silicon carbide composite ceramic materials and a preparation method and application thereof. The aluminum-silicon carbide composite ceramic materials are prepared through the following steps that (1) silicon carbide ceramics are dispersed and buried in metal titanium powder, heated to 1000-1100 DEG C in a vacuum environment, kept at the temperature for 1-3h, and then cooled, so that ceramic particles with surfaces plated with metal titanium layers in an evaporation mode are obtained; (2) the ceramic particles with the surfaces plated with the metal titanium layers in the evaporation mode are put into a container, arranged tightly to form a ceramic array, heated and then put into a compression casting machine, and metal aluminum melt is cast into the ceramic array; and (3) after mold release, the surfaces of the ceramics are cleaned, and the aluminum-silicon carbide composite ceramic materials are obtained and can be used for manufacturing bulletproof plates. Compared with the prior art, the composite ceramic materials have the characteristics of being compact in combination, simple in preparation method, suitable for industrial enlargement and the like.

The police strength dispatching and controlling system includes command center system, mobile police service system and supervision system. The mobile police service system completes the GPS signal receiving and analysis via GPS and universal grouped radio service network, GPRS network signal connection and police service treatment, and returning the GPS information to the command center system. The supervision system is used in supervising the information exchange between the mobile police service system and the command center system and the information exchange inside the command center system. The present invention may be used widely for various classifications of police, and has the advantages of low cost, high practicability, high performance/cost ratio, etc.

A golf club head includes a golf club head body, a ring, and a striking plate. The golf club head body includes a recession in a side thereof, the recession including a shoulder on an inner peripheral edge thereof. The ring is mounted on the shoulder of the golf club head body. The striking plate is mounted in the recession of the golf club head body and securely engaged with the ring, with the ring supporting a rear side of the striking plate. The striking plate and the golf club head body have a relatively small contact area therebetween to thereby reduce an amount of the striking stress of the striking plate absorbed by the golf club head body, thereby assuring high deformability of the striking plate.

The invention relates to an internal calibration network unit for an SAR system and an internal calibration method matched with the internal calibration network unit, and realizes internal calibrationof an ultra-wideband reflective surface satellite-borne SAR by adding the internal calibration network unit in the SAR system. According to the invention, a purpose of improving an SAR imaging effectis achieved by correcting a channel deviation to increase a signal-to-noise ratio of an SAR image; calibration of magnitude-phase characteristics of all transmitting channels and receiving channels can be realized by using an internal calibration network; firstly, phase calibration is performed by transmitting dot frequency pulse signals to ensure phase consistency; and then, channel magnitude-phase characteristics of sweep-frequency pulse signals are transmitted to ensure accuracy of the calibration.

A golf club head includes a golf club head body, a striking plate mounted to a front side of the golf club head body, and a perimeter wall extending rearward along a perimeter of the golf club head body. At least one hole is defined in a toe of the perimeter wall to reduce the weight of the upper part of the golf club head body, thereby shifting the center of gravity of the golf club head downward toward the heel and thereby increasing the inertial moment of the golf club head.

The invention discloses a method for optimizing double-layer image segmentation of multiclass color texture images based on a variation model. The method comprises the steps of establishing a multiclass variation active contour model, obtaining an energy function of the multiclass variation active contour model, carrying out disperse expression on the energy function of the multiclass variation active contour model, establishing a multilayer image segmentation model, solving the energy function of the multiclass variation active contour model after disperse expression to obtain a globally near optimal solution, and carrying out multi-layer image segmentation minimality optimization on multiclass disperse variation active contour energy in an iteration mode to achieve stable segmentation.

The invention relates to an efficient double-cavitation abrasive material jet flow nozzle. The efficient double-cavitation abrasive material jet flow nozzle comprises a high-pressure nozzle, a low-pressure nozzle, a center body main body and two connecting pipes which are oppositely arranged left and right. The interior of the high-pressure nozzle is hollow along the axis of the high-pressure nozzle, and a high-pressure cavity is formed. The high-pressure nozzle is coaxially sleeved with the low-pressure nozzle, the high-pressure nozzle and the low-pressure nozzle are connected and sealed through an end cover, and a low-pressure cavity is formed. The low-pressure nozzle is provided with a plurality of fluid inlets at intervals in the ring direction of the low-pressure nozzle, and the fluid inlets communicate with the low-pressure cavity. The center body main body is coaxially sleeved with the high-pressure nozzle, the interior of the center body main body is hollow along the axis of the center body main body, and an abrasive material slurry cavity is formed. One ends of the connecting pipes sequentially penetrate through the high-pressure nozzle, the low-pressure nozzle and the side wall of the center body main body and communicate with the abrasive material slurry cavity. According to the efficient double-cavitation abrasive material jet flow nozzle, the characteristics of low pressure and strong turbulent flow of fluid in the tail area of the center body main body in the high-pressure nozzle are ingeniously utilized, abrasive material slurry and double-cavitation jet flow are sufficiently mixed, accordingly, double-cavitation abrasive material jet flow is formed through mixing, and accordingly the jet flow hitting effect is improved.

The invention discloses a C2 organization resource dynamic scheduling method for time-sensitive target strike. The method includes taking task completion quality and task completion time as resource scheduling measurement; constructing a multi-target C2 organization resource dynamic scheduling model; and solving the model by adopting an improved quantum particle swarm algorithm. The result shows that by considering task completion time measurement, a time-sensitive target striking window can be reduced; three-level optimal adaptation modeling is carried out through task resource capacity, a multi-target dynamic optimization model is established, a quantum particle swarm optimization algorithm is further designed to solve the multi-target optimization problem, and therefore the time-sensitive target strike capacity can be remarkably improved.

The invention discloses an anti-terrorist unmanned aerial vehicle control system. The system can monitor parameters such as temperature, humidity, combustible gas concentration, smoke concentration and illuminance, controls various devices through a central controller, has the functions of environment monitoring, person monitoring, alarm prompting, weapon monitoring and automatic adjustment, accordingly improves the investigation and hitting capability of an anti-terrorist unmanned aerial vehicle, also has a remote control function and is stable, reliable and convenient to maintain and manage.

A golf club head includes a golf club head body having a toe and an engaging portion to which a striking plate is mounted, a hosel mounted to a side of the golf club head body, and a heel between the hosel and the engaging portion of the golf club head body. The heel includes a hole for reducing a weight of the heel, thereby shifting a center of gravity of the golf club head toward the toe of the golf club head body and increasing an inertial momentum of the golf club head.

A hammer includes a handle, a head mounted on the handle and having a distal end having an end face formed with an insertion recess, and a striking portion mounted on the distal end of the head and having an end face formed with an insertion block inserted into the insertion recess of the head. Thus, the cushioning gap between the striking portion and the head provides a vibration absorbing and cushioning effect during operation of the hammer, so that the hammer is operated smoothly and stably, thereby enhancing the striking effect of the hammer, and thereby facilitating a user operating the hammer.

The invention relates to a method for manufacturing a composite material bat. The method comprises: firstly, weaving a single-layer woven hose; secondly, sleeving a plurality of layers of the woven hoses onto a core material and fixing the two ends of the woven pipes; placing the woven hoses and the core material in a resin groove to allow the resin to penetrate the woven hoses uniformly by resin impregnation (high pressure or vacuum) mode; heating and drying the woven hoses, drawing the woven hoses away from the core material and placing the woven hoses into a mould to form the bat. The method can save labor hours, increase the bat strength, reduces the deflection angle of the bat when the bat is lift to hit a ball and improves the hitting effect.

The invention discloses an anti-terrorist unmanned aerial vehicle control system. The system can monitor parameters such as temperature and humidity, combustible gas concentration, smog concentration and illuminance. By controlling various equipment through a central controller, the system has the functions of environment monitoring, personnel monitoring, warning and prompting, weapon monitoring and automatic adjusting, so that the detecting capacity and the strike capacity of an anti-terrorist unmanned aerial vehicle are improved. The system further has a remote control function, and is stable and reliable and convenient to maintain and manage.