【单选题】CDMA通信的基站,假定基站A的码片序列是+1+1
+1-1
-1+1
-1-1,基站发射bit为101时,实际发射的信号是
选项:
A:
+1+1
+1-1
-1+1
-1-1 +1
+1+1
-1-1
+1-1
-1 –1–1
–1+1
+1–1
+1+1
B:+1
+1+1
-1-1
+1-1
-1 –1–1
–1+1
+1–1
+1+1 +1
+1+1
-1-1
+1-1
-1
C:
C:
+1+1
+1-1
-1+1
-1-1 +1
+1+1
-1-1
+1-1
-1 +1+1
+1-1
-1+1
-1-1
D:
D:–1
–1–1
+1+1
–1+1
+1 –1–1
–1+1
+1–1
+1+1 –1
–1–1
+1+1
–1+1
+1
发布时间:2024-03-27 13:19:38