更多"How many TDMA frames consist of a G"的相关试题:
[单项选择]How many stages in the processing of logistics integration?()
A. One
B. Two
C. Three
D. Four
[单项选择]How many product-related factors are there to influence the transport cost? ()
A. Four
B. Three
C. Two
D. Five
[单项选择]How many categories are there in water transport?()
A. 2
B. 3
C. 4
D. Not available in the paragraph
[单项选择]How many flow are there in global logistics?()
A. One
B. Two
C. Four
D. Three
[单项选择]How many flows are there in global logistics?()
A. One
B. Two
C. Four
D. Three
[单项选择]How many tons does the cargo 737 carry? ()
A. 100 tons
B. Not clear
C. more than 100 tons
D. I don’t know
[单项选择]移动通信中英文缩写TDMA是指()。
A. 频分多址
B. 码分多址
C. 时分多址
[简答题]简述FDMA、TDMA、CDMA的特点。
[简答题]与FDMA系统比较解释TDMA系统的优缺点
[简答题]FDMA方式,TDMA方式,CDMA方式,SDMA方式的基本内容
[单项选择]TDMA系统的特点中,正确的是()
A. TDMA系统可以避免多部发射机造成的互调干扰抗干扰能力强,但保密性差。
B. 在一帧中的空闲部分,可以用来检测信号的强度或控制信息。
C. TDMA系统要求严格的定时与同步,信道的时延必须固定。
D. TDMA在使用划分时隙的办法时,降低了频率的利用率。
[单项选择]对于TDMA系统,每一个信道就是一个()
A. 帧
B. 频段
C. 时隙
D. 频道
[简答题]什么是GPRS业务?举例说明GPRS的应用。