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L1信号属于()。
- A、载波信号
- B、伪随机噪声码
- C、随机噪声码
- D、捕获码
参考答案
更多 “L1信号属于()。A、载波信号B、伪随机噪声码C、随机噪声码D、捕获码” 相关考题
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根据《砌体结构设计规范》(GB 50003—2001)抗倾覆要求,挑梁埋入砌体长度l1,应满足下列何项关系式 ( )
A.. l1>2.76m
B.. l1>2.27m
C.. l1≥2.76m
D.. l1≥2.7m
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Which of the following statements is true about L1 cache?()A、 L1 cache operates faster than the processor.B、 L1 cache is directly connected to the processor.C、 L1 cache can deliver data in 5ns.D、 L1 cache is located on the system board.
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卫星向机载GPS发射的信号频率是()频率。A、L1(1783.74MHZ)和L2(1575.42MHZ)B、L1(1783.74MHZ)和L2(1227.6MHZ)C、L1(1575.42MHZ)和L2(1227.6MHZ)D、L1(1754MHZ)和L2(1854MHZ)
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单选题A
S闭合,L1亮度不变,L2亮度逐渐变亮,最后两灯样亮;S断开,L2立即熄灭,L1逐渐变暗B
S闭合,L1亮度不变,L2很亮;S断开,L1、L2立即熄灭C
S闭合,L1、L2同时亮,而后L1逐渐熄灭,L2亮度不变;S断开,L2立即熄灭,L1亮下再熄灭D
S闭合,L1、L2同时亮,而后L1逐渐熄灭,L2则逐渐变得更高;S断开,L2立即熄灭,L1亮一下再熄灭
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单选题Which of the following statements is true about L1 cache?()A
L1 cache operates faster than the processor.B
L1 cache is directly connected to the processor.C
L1 cache can deliver data in 5ns.D
L1 cache is located on the system board.
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判断题RX1230上的L1=8表示在L1载波上收到8颗卫星信号。A
对B
错
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