1 files changed, 14 insertions, 0 deletions
diff --git a/998/CH29/EX29.31/Ex31.sce b/998/CH29/EX29.31/Ex31.sce
new file mode 100755
index 000000000..c7b231eb0
--- /dev/null
+++ b/998/CH29/EX29.31/Ex31.sce
@@ -0,0 +1,14 @@
+//Ex:31
+clc;
+clear;
+close;
+k=-228.6;// in db
+e_irp=50;// EIRP in dbW
+g_t=19.5;//G/T ratio in db/k
+l_fs=210;//free space loss in db
+l_ab=2;//atmospheric absorption loss in db
+l_ap=2;//antenna pointing loss in db
+l_rf=1;//receiver feedback loss in db
+l_s=l_fs+l_ab+l_ap+l_rf;//losses in db
+c_n=e_irp+g_t-l_s-k;// C/N spectral density ratio in db
+printf("carrier to noise spectral density ratio=%d dbW",c_n);
+\ No newline at end of file