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- keyhole fading channel 匙孔信道
- In the slow fading channel,the cooperative diversity is a new space diversity. 在慢衰落信道中,协同分集是一种新的空间分集方式。
- Then, we discuss the model of a 256 sub-carriers MC-CDMA system and analyze BER performance in a frequency-selective Rayleigh fading channel. 讨论了一个256载波的MC-CDMA系统的数学模型，分析了在频率选择性瑞利衰落信道中的误码率性能。
- Bit Error Rate (BER) performance is investigated over Nakagami(m) multi?path fading channel. 本文给出了IS－95前向信道的调制和解调过程的数学模型，分析了IS－95前向信道在Nakagami（m）衰落信道下的误码率。
- The Volterra adaptive prediction of the multipath fading channel is studied in this paper. 本文研究了对多径衰落信道的Volterra自适应预测。
- Due to no channel estimation required for rayleigh fading channel, quotient coded QAM has lower receiver complexity. 摘要商分编码QAM由于无需信道估计和均衡，因此降低了在瑞利衰落信道解调的复杂性。
- Rayleigh/Rician fading channel based on Jakes model is implemented by FPGA hardware in this thesis. 中文摘要在本论文中，我们主要目的是以场效可规划逻辑闸为基础，来实现杰克斯通道模型的硬体模拟。
- The performance is presented in terms of bit-error rate(BER) for a system using QPSK and 16QAM in fading channel. 仿真结果表明，在各种的衰落环境下，该算法都有良好的性能。
- Due to no channel estimation required for rayleigh fading channel,quotient coded QAM has lower receiver complexity. 商分编码QAM由于无需信道估计和均衡,因此降低了在瑞利衰落信道解调的复杂性。
- Jakes frequency selective fading channel model complete source code, has been tested. (译)：杰克斯频率选择性衰落信道模型的完整的源代码，已经过测试。
- The channel models employed are multipath fading channel, f requency selective chan nel based on COST 207 and AWGN channel. 采用的信道模型包括多径衰落信道、基于COST 2 0 7的频率选择性信道以及AWGN信道 .
- The mean acquisition time of the FSASE method is derived by the generating function flow graph technique for the fading channel. 文中采用生成函数流图法推导出了衰落信道下FSASE算法平均捕获时间的闭式解。
- A star-QAM with quotient coding is analyzed and its symbol error rate in flat rayleigh fading channel is generalized to larger constellations. 于是在分析一种星形商分编码QAM的基础上，将其在平坦瑞利衰落信道上的误码率公式推广到更多元的星座图，并对星座图进行了优化。
- In this paper, an autoregressive (AR) model is presented for the simulation of flat fading channel in complex communication environments. 本文实现了复杂传播环境下平坦衰落信道的AR模型仿真。
- The system performances of QAM and ARDPM are compared by calculating the error bound of two systems with diverse Doppler shift over fading channel. 在多谱勒频移较小时,ARDPM系统的性能优于QAM,但是随着多谱勒频移的增大,ARDPM系统的性能将迅速恶化,此时QAM系统的性能将优于ARDPM。
- His eyes were glued to the keyhole. 他的眼睛紧贴在钥匙孔上。
- The analysis and simulation results show that DFT-S-GMC is the same as and even better than DFT-S-OFDM in PAPR,BER under fading channel and Multiple Address Interference (MAI). 分析和仿真结果表明,DFT-S-GMC在PAPR、衰落信道下误码率以及多址干扰性能方面与DFT-S-OFDM相当甚至优于DPT-S-OFDM。
- The proposed FSE based on the least mean square (LMS) algorithm can mitigate the detrimental effects of the inter-symbol interference (ISI) caused by the multipath fading channel. 利用基于LMS算法的分数间隔均衡抑制由多径衰落信道引起的码间干扰并且利用最大似然算法对解调后的码元进行检测。
- Finally,a MATLAB based simulation example is presented,which comprises performance estimation of phase shift keying(PSK) signaling over a Rician fading channel. 最后,我们对数字调制后的信号如移相键控(PSK)信号通过莱斯衰落信道时的性能进行仿真,并得到相应的分析结果。
- They caught him peeking in through the keyhole. 他们发现他从钥匙孔里向里窥视。
