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Defects_TD2SCDMA_Standards
- 从智能天线的工作原理出发说明使用智能天线时很难实现小区的分扇区应用、多频点天线公 用,因此可以证明智能天线还不是一项可供商用的实用技术 考虑相邻小区/扇区时隙的不对称分 配所产生的相邻小区/扇区收发干扰时,可以证明上、下行时隙实质上是不能按需分配的。3 G使 用的频段是2 GHz,具有传播衰落大、穿透能力差、不易做大范围覆盖。TD2SCDMA标准很难提供3 G标准所规定的在车载、步行、静止环境下分别达到144 kbit/ s、384 kbit/ s和2 048 kbit/ s的无
OFDM
- 正交频分复用源程序,交含逆快速傅立叶变换,ISI,傅立叶变换-main OFDM
runSimSCFDMA
- 单载波频分多址的研究,可以降低单载波的峰值平均功率比-Single-carrier frequency division multiple access research, can reduce the peak single-carrier average power ratio
ofdm
- 正交频分复用的研究,可以有效提高上行链路的频谱利用率。-Orthogonal frequency division multiplexing studies can effectively improve the uplink spectral efficiency.
RTC
- RTC 实时时钟,主要用于实现长时间计时。模块包括可选8:1 分频器,一个定时器T14,及一个32 位RTC 计数器。本例程介绍RTC的DAVE配置以及KEIL的编程指导-RTC Real Time Clock, mainly used to achieve a long time. Module includes an optional 8:1 divider, a timer T14, and a 32-bit RTC counter. The routine introduction of
The-simulation-of-OFDM-systems
- 正交频分复用(OFDM) 是第四代移动通信的核心技术。该文首先简要介绍了OFDM基本原理,重点研究了理想同步情 况下,保护时隙(CP) 和不同的信道估计方法在高斯信道和多径瑞利衰落信道下对OFDM系统性能的影响。在给出OFDM系 统模型的基础上,用MATLAB语言实现了整个系统的计算机仿真并给出参考设计程序。最后给出在不同的信道条件下,保 护时隙、信道估计方法对OFDM系统误码率影响的比较曲线,得出了较理想的结论。-Orthogonal frequency division mult
DPLL
- 数字锁相环频率合成器的设计,鉴相器、环路滤波器、数控振荡器、反馈分频器-Digital PLL frequency synthesizer, phase detector, loop filter, NCO, feedback divider
Cooperative-communication
- 一篇北京邮电大学的博士论文。蜂窝网协作通信及相关技术研究 2010。关键词:协作通信,蜂窝网,多入多出,正交频分复用,频率复用系数,中继 -A Beijing University of Posts and Telecommunications doctoral thesis. Cellular communications and related technology research collaboration 2010. Keywords: cooperative communicat
wavepaofdm
- 这是关于光正交频分复用技术的一篇好文章,比较新!-This is about the optical orthogonal frequency division multiplexing of a good article, a relatively new!
Spectral-Correlation-
- 论谱相关的子载波正交频分复用调制盲识别, 其中对循环谱及其盲识别做了详细的论证-2011 The Reaserch about Spectral Correlation of Subcarrier of OFDM and Blind Recoginition about Modulation Type.pdf
OFDM-signals
- 针对无线电监测和认知无线电系统中正交频分复用(OFDM) 信号参数估计这一重要问题,提出了用频域累积法算OFDM 信号的循环自相关函数的数值计算方法.-For radio monitoring and cognitive radio systems, orthogonal frequency division multiplexing (OFDM) signal parameter estimation of this important issue, the accumulation meth
OFDM-signals-with-low-SNR
- 针对认知无线电系统中正交频分复用( OFDM )信号参数估计这一重要问题, 利用OFDM 信号的循环谱实现了符号周期的盲估计。-For cognitive radio systems, orthogonal frequency division multiplexing (OFDM) signal parameter estimation of this important issue, the cyclic spectrum of the OFDM signal to achieve the
Tx
- 主要是8201对音频的一些处理,包括分频和传送-8201 pairs of audio processing, including divider and transmission
TAT7467H
- Triquint射频差分放大器,可用于CATV频段,末级PA, 16.5db放大-The TAT7467 is a 75 Ohm true differential RF Amplifier covering medium power applications in the CATV band. The TAT7467 includes on-chip linearization to improve 3rd order distortion performance while mainta
bishemulu
- 作为一个有吸引力的技术, 减轻多径干扰的正交频 分复用(OFDM)已经被广泛应用 在各种广播系统,诸如数字 视频广播(DVB)系统。尽管它的竞争力 属性,OFDM信号的特点是非常高的 峰值对平均功率比(PAPR)的水平。- As an attractive technique in mitigating the multipath interference, Orthogonal Frequency Division Multiplexing
cpld
- CPLD与电子CAD报告 VHDL中的并行语句、进程 信号、变量、顺序语句 分频器、计数器、译码器、状态机 数字钟综合设计-CPLD and VHDL electronic CAD report in parallel statement, the process signals, variables, sequential statements divider, counter, decoder, an integrated digital clock state machine des
paper1
- 基于重采样的差分频域分析方法.pdf,一篇很好的论文-Frequency domain analysis method based on the difference resampling
frequency-domain-equalization-
- 该文献研究了 IEEE802. 1 6a宽带无线接入系统的单载波频域均衡 ( SC - FD E)方案 ,建立了 完整的802. 1 6a单载波频域均衡系统仿真平台 ,研究了 SC - FD E系统的频域均衡 、编码和分集增益 。希望对大家有所帮助。-It studied IEEE802 1 6a broadband wireless access systems in a single carrier frequency domain equalization (SC- FD E) progr
hiu-V1.1
- 用MATLAB实现动态聚类或迭代自组织数据分析,详细画出了时域和频域的相关图,可直接计算得到多重分形谱。- Using MATLAB dynamic clustering or iterative self-organizing data analysis, Correlation diagram shown in detail the time domain and frequency domain, It can be directly calculated multi-fractal sp
OFDM-BPSK
- OFDM的通用程序,多载波调制中的正交频分复用,文档中就是程序。-OFDM general procedures, multi-carrier modulation in the orthogonal frequency division multiplexing, the document is the program.