1 files changed, 10 insertions, 0 deletions
diff --git a/2863/CH2/EX2.7/ex2_7.sce b/2863/CH2/EX2.7/ex2_7.sce
new file mode 100755
index 000000000..458ca91f1
--- /dev/null
+++ b/2863/CH2/EX2.7/ex2_7.sce
@@ -0,0 +1,10 @@
+//chapter 2
+//GT=GR=Antilog[GT or Gr(in db)/10]=31.622*10^3
+//1 mile=1609.35 m
+printf("\n");
+freq=3*10^9;
+d=48280.5;//30miles*1609.35
+lamda=(3*10^8)/(3*10^9);
+printf("the wavelength is %gm",lamda);
+Pt=(10^-3)*((4*(%pi)*48280.5)/0.1)^2*(1/(31.622*10^3)^2);//Pr=Pt(GR*GT*(lamda/4*pi*d)^2),Pr=1mW
+printf("\nthe transmitter power is %gW",Pt);