| 1. | Algorithms of carrier frequency offset estimation in ofdm system 系统载频偏移估计算法的研究 |
| 2. | Algorithm of carrier frequency offset estimation for psk signal based on dft 信号载波频差估计算法 |
| 3. | Analysis of the carrier frequency offset of filterbank - based multi - modulation 基于波滤器组的多载波调制频偏分析 |
| 4. | Carrier frequency offset 载波频率偏置 |
| 5. | So , people proposed an open - loop - based method for estimating the carrier frequency offset of the signal with random data 为此,人们提出了一种基于开环结构的psk解调的相位估计法。 |
| 6. | But mc - cdma system still has some problems . some of the most important sources for performance degradation of mc - cdma systems are carrier frequency offset and the multiple access interference ( mai ) 然而多载波cdma系统也存在一些问题,多址干扰和频率偏移等问题会带来明显的性能下降。 |
| 7. | The problems of carrier frequency offset estimation under the condition of the agwn channel , frequency flat - fading channel and frequency selective - fading channel are studied in detail respectively 本文仔细研究了在高斯白噪声信道下、频率平坦衰落信道下和频率选择性衰落信道下高精度估计信号载频偏差的问题,并对相应算法提出了一些改进办法。 |
| 8. | In the synchronous techniques based pilot symbols , here propose a frequency offset estimating arithmetic using discrete pilot symbols . we pick up integer times sub - carrier frequency offset from the same ofdm symbol and estimate exact 此外,在频偏估计方面,推导出短训练序列前后两段时域符号间的关系,并利用此进行粗频偏估计,使频率偏移的估计范围大大增加。 |
| 9. | Second , a maximum likelihood estimator ( mle ) that jointly estimates the carrier frequency offset ( cfo ) and the channel response of each user in uplink ofdma systems based on generalized carrier assignment schemes is investigated in this research 其次,在任意结构子载波分配方式的ofdma上行链路中,研究了一种联合载波频偏和信道的最大似然估计( ml )算法。 |
| 10. | This paper deals with problems of high accurate estimation of carrier frequency offset which is widely used in communication signals synchronization and frequency measurement . therefore , it ' is very importance for interception and location of signals 通信信号载频偏差的高精度估计广泛应用于通信信号的同步和频率测量当中,因此,对于信号的截获和定位具有非常重要的作用。 |