1 files changed, 10 insertions, 0 deletions
diff --git a/998/CH29/EX29.40/Ex40.sce b/998/CH29/EX29.40/Ex40.sce
new file mode 100755
index 000000000..d9065ae4f
--- /dev/null
+++ b/998/CH29/EX29.40/Ex40.sce
@@ -0,0 +1,10 @@
+//Ex:40
+clc;
+clear;
+close;
+k=-228.6;//dbW/K/Hz
+b_n=10*log(128*(10^3))/log(10);// in dbHz
+t_s=10*log(500)/log(10);//in dbk
+t_S=ceil(t_s);
+n_tr=k+t_S+b_n;// in dbW
+printf("noise power=%f dbW",n_tr);
+\ No newline at end of file