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In this paper, we investigate the timing and carrier
frequency offset (CFO) synchronization problem in decode and
forward cooperative systems operating over frequency selective
channels. A training sequence which consists of one orthogonal
fr
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0下载：
In this paper, we investigate the timing and carrier
frequency offset (CFO) synchronization problem in decode and
forward cooperative systems operating over frequency selective
channels. A training sequence which consists of one orthogonal
fr
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0下载：
Orthogonal Frequency Division Multiplexing (OFDM) is a multicarrier modulation method with the initial idea to overcome multipath fading in a wireless environment. Multipath effect causes an unacceptable symbol in multiple copies but with a different
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The demand of high data rate services has been increasing very rapidly and there
is no slowdown in sight. We know that the data transmission includes both wired
and wireless medium. Often, these services require very reliable data transmission
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0下载：
The demand of high data rate services has been increasing very rapidly and there
is no slowdown in sight. We know that the data transmission includes both wired
and wireless medium. Often, these services require very reliable data transmission
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0下载：
The demand of high data rate services has been increasing very rapidly and there
is no slowdown in sight. We know that the data transmission includes both wired
and wireless medium. Often, these services require very reliable data transmission
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0下载：
The demand of high data rate services has been increasing very rapidly and there
is no slowdown in sight. We know that the data transmission includes both wired
and wireless medium. Often, these services require very reliable data transmission
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0下载：
The demand of high data rate services has been increasing very rapidly and there
is no slowdown in sight. We know that the data transmission includes both wired
and wireless medium. Often, these services require very reliable data transmission
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0下载：
选择五个不同频段的信号对其进行频谱分析，根据信号的频谱特征设计五个不同的数字滤波器，将五路信号合成一路信号，分析合成信号的时域和频域特点，然后将合成信号分别通过设计好的五个数字滤波器，分离出原来的五路信号，分析得到的五路信号的时域波形和频谱，与原始信号进行比较，说明频分复用的特点。-To select one of five different band signal spectrum analysis and design of five different digital filter ba
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信号的频域分析及应用 熟悉调制信号功率谱的计算及调制过程的频谱搬移现象；
观察多路调制信号的时域与频域的波形，熟悉FDMA频分多路复用的特点-Signal in the frequency domain analysis and application of familiarity modulated signal power spectrum calculation and spectrum modulation process moving phenomenon observe the
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本文提出了一种新的识别方法通过建立一个联合
delay-cyclic频率特性决定功能,利用二阶循环的不同特点
累积量的正交频分复用(OFDM)信号和单载波线性数字调制
(SCLD)信号,延时域和循环频率域。-This paper presents a new recognition approach through establishing a joint
delay-cyclic frequency feature decision function, which exploi
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1下载：
Orthogonal Frequency Division Multiplexing
with Index Modulation,is proposed for operation over frequency-selective and rapidly
time-varying fading channels
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