在平面直角坐标系中,已知点\(F\left( 1,0 \right)\),直线\(l:x=-1\),动直线\({l}{{{'}}}\)垂直\(l\)于点\(H\),线段\(HF\)的垂直平分线交\({l}{{{'}}}\)于点\(P\),设点\(P\)的轨迹为\(C\)
\((\)Ⅰ\()\)求曲线\(C\)的方程;
\((\)Ⅱ\()\)以曲线\(C\)上的点\(P({{x}_{0}},{{y}_{0}})({{y}_{0}} > 0)\)为切点做曲线\(C\)的切线\({{l}_{1}}\),设\({{l}_{1}}\)分别与\(x\)、\(y\)轴交于\(A,B\)两点,且\({{l}_{1}}\)恰与以定点\(M\left( a,0 \right)\left( a > 2 \right)\)为圆心的圆相切\(.\)当圆\(M\)的面积最小时,求\(\triangle ABF\)与\(\triangle PAM\)面积的比.