搜索资源列表
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- Wideband Spectrum Sensing-Spatial-Spectral Joint Detection for Wideband Spectrum Sensing in cognitive radio networks
InitialPerformanceEvaluationofDFTSpreadOFDMBasedS
- Abstract—In this paper we present an initial performance evaluation of the 3GPP UTRA Long Term Evolution (UTRA LTE) uplink with baseline settings. The performance results are obtained from a detailed UTRA LTE uplink link level simulator suppo
coherentBFSK
- Simulink model to verify the expected BER performance of a coherent BFSK system using the optimal threshold and proper reference frequencies for MFSK against the theoretical Pb using standard methodology. The first nulls spectral bandwidths for the B
BAS
- These cooperations are facilitated by dynamically and opportunistically assigning one of the secondary users as a relay to assist the other one, which results in more efficient spectrum hole detection. Also, we investigate the impact of erroneous
BOC_FPGA
- 首先介绍了BOC 调制的定义及其频谱特性,然后阐述了基于FPGA(现场可编程门阵列) 硬件平台的BOC 调制实现方法,并给出了仿真波形。-First introduced the definition of BOC modulation and spectral properties, and then elaborated based on FPGA (field programmable gate array) hardware platform BOC modulation methods
EigenvalueDecomposition
- 基于矩阵特征值分解的功率谱估计包括特征向量估计和MUSIC估计，这两种估计方法均为非参数估计方法-Based on Eigenvalue Decomposition of power spectral estimation, including estimation and MUSIC eigenvector estimates, these two estimation methods are non-parameter estimation
ASE
- Area Spectral Efficeinecy
WiMAXin-ofdm
- Reaching Higher data rate and spectral efficiency are among the challenges expected for 4G wireless systems. Combining OFDM modulation and multiple-input multipleoutput (MIMO) help for that. In this paper, performances of a WiMAX MISO-OFDM based syst
OFDM-Peak-to-Average-Power-Reduction-Scheme
- OFDM Peak-to-Average Power Reduction Scheme with Spectral Masking
Smoothing-Filter-based-Intensity-Modulation-a-spe
- Smoothing Filter-based Intensity Modulation a spectral preserve
Phase-and-Frequency-Detector
- 针对锁频锁相器( Phase and Frequency Detector, PFD) 应用于低信噪比、大频偏的条件, 通过理论分析和仿真验证阐述了窗口类型对系统频偏捕获速度、范围、噪声门限及相位噪声抖动的影响机理. 推导出等效相位噪声功率谱密度的表达式. 证明了大窗口具有更低的噪声门限和更小的稳态相位抖动, 但捕获速度较慢. 为了提高捕获速度, 对鉴相器输出值取极性运算得到改进的PFD 算法. 新算法不仅能增加鉴相增益提高捕获速度 还可以减少等效噪声功率谱密度降低相位抖动 同时新算法不需要乘法
spectralnull
- a document wich explain spectral null codes
Investigation-of-Channel-Adaptation
- In this context, spectral efficient techniques constitute vital improvements in high data rate services.
ETSI-Ultra-Wide-Band
- Ultra Wide Band (UWB) is a technology for the transmission of data using techniques which cause a spreading of the radio energy over a very wide frequency band, with a very low power spectral density. The low power spectral density limits the interfe
signal-noise-spectrum-analysis-
- 通过对噪声中正弦信号的现代法频谱分析，来理解和掌握现代谱估计的基本概念，以及学会应用现代谱估计以及改进后的方法。-Modern Law of the sinusoidal signal noise spectrum analysis to understand and master the basic concepts of modern spectral estimation, as well as learn to apply modern spectral estimation, as w
2Ask_2Fsk_2Psk
- 基于matlab生成的ask、fsk、psk波形及功率谱密度-Based the matlab generated the ask fsk, psk waveform and power spectral density
wavelet
- 谐波分析 功率谱分析 交叉谱分析课程及例子-The harmonic analysis of power spectrum analysis courses and examples of the cross-spectral analysis
bluetooth_model
- 附加包含蓝牙调频系统的simulink模型，包含信号传输，接收，谱分析，误码分析等。-The additional Bluetooth FM system simulink model that contains the signal transmission, reception, spectral analysis, error analysis.
txyl
- 通信原理课程中基于MATLAB的2ASK、2FSK、2PSK的波形产生和功率谱分析仿真。-Communication Theory course based on MATLAB 2ASK, 2FSK, 2PSK waveform and power spectral analysis and simulation.
Smart-antenna-technology
- 智能天线技术是!"#$ "&’ 系统中的关键技术$其中下行波束赋形使下行波束对准移动用户$可靠地减小了干扰$提 高了系统的频谱利用率 -Smart antenna technology! " Key technologies $# $ & ' system which Downlink Beamforming downlink beam alignment mobile user $ reliably reduce interference $ improve the