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二、信号流图简化步骤的优化2-1优化的必要性为了利用信号流图求解各未知变量,Mason推导了著名的Mason公式。可是,如果每个未知变量都要用该公式来求解的话,那将是非常麻烦的,而且Mason公式要求对从源节点到待算节点所经过的各个回路的传输值作各种处理,在信号流图比较复杂时容易出错。通过将信号流图进行简化来求解各未知变量,显然比较直观易行,但文献中很少涉及信
II. OPTIMIZATION OF SIMPLIFICATION PROCEDURES FOR SIGNAL FLOW MAP 2-1 The Necessity of Optimization Mason derived the famous Mason formula in order to use the signal flow graph to solve unknown variables. However, it would be very troublesome if every unknown variable is solved by this formula, and the Mason formula requires that various processing be done on the transmitted values of the various circuits going from the source node to the calculated node, Flow diagram more complex error prone. By simplifying the signal flow diagram to solve the unknown variables, obviously more intuitive and easy, but the literature rarely involves letter