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EFP has already been used broadly in long distance anti-armor weaponry systems, and we try to use it to deal with the unexploded aero-ammunitions under the ground, and the design of EFP is the sticking point. We analyze the factors that affect jetting projectile formation of the shaped charge through numerical simulation. Grey relative degree of each factor is obtained through grey relational theory...
Presents a cost estimation method based on function characteristics and the technique of quality function deployment (QFD). Based on the cost structure, the total costs of some well-known competitive products of the developed system are then investigated. The function levels of these well-known products are identified one by one by means of the QFD technique. By integrating the information about the...
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