搜索资源列表
0_BPSK_QPSK_
- DIGITAL MODULATION TECHNIQUES the material describes digital modulation techniques such as BINARY PHASE SHIFT KEYING (BPSK), DIFFERENTIAL PSK (DPSK), DIFFERENTIALLY-ENCODED PSK (DEPSK), QUADRATURE PSK (QPSK), QUADRATURE AMPLITUDE SHIFT KEYING (Q-AS
gar2rnx_win_4_9_01
- After getting the raw data (mainly pseudoranges and carrier phase) from our unit we have to postprocess it to see if they really make sense. I have written a simple program GAR2RNX (a GARmin TO RiNeX translator) that generates RINEX2 compliant files
gar2rnxw
- After getting the raw data (mainly pseudoranges and carrier phase) from our unit we have to postprocess it to see if they really make sense. I have written a simple program GAR2RNX (a GARmin TO RiNeX translator) that generates RINEX2 compliant files
2MW_wind_grid_inverter
- 针对兆瓦级风电并网逆变器主电路研制中存在的并联扩容、开关频率较低和LCL滤波器难以优化设计等问题，提出了采用交流侧串接电感再进行并联的均流方案，采用载波移相技术提高变流器的等效开关频率，提出了LCL滤波器的设计原则，并给出了上述设计的理论依据和实现方法。通过对2兆瓦风电变流器主电路的仿真验证了上述技术方案。-MW-class wind power for grid-inverter main circuit of the parallel development of existing capa
qpsksystem_SJSU_mdl
- QPSK modulation system with recover loops-This is a model of a QPSK modulation system for transmission over a bandpass channel with fc = 100 Hz and B = 30 Hz and AWGN at the receiver. SRRC fi lters with excess bandwidth α = 0.18 are employed. Th
wanninger
- Combined Processing of GPS, GLONASS, and SBAS Code Phase and Carrier Phase Measurements Lambert Wanninger, Stephan Wallstab-Freitag Geodetic Institute, Dresden University of Technology, Germany -Combined Processing of GPS, GLONASS
R1-091695
- Phase noise resulting in Common Phase Error (CPE) and Inter-Carrier Interference (ICI) is a critical challenge to the implementation of OFDM systems. Modeling phase noise as a stationary Gaussian random process with the specified power spectr
R1-091775
- Phase noise resulting in Common Phase Error (CPE) and Inter-Carrier Interference (ICI) is a critical challenge to the implementation of OFDM systems. Modeling phase noise as a stationary Gaussian random process with the specified power spectr
R1-092264
- Phase noise resulting in Common Phase Error (CPE) and Inter-Carrier Interference (ICI) is a critical challenge to the implementation of OFDM systems. Modeling phase noise as a stationary Gaussian random process with the specified power spectr
sync-4-ofdm
- Joint maximum likelihood (ML)symbol-time and carrier-frequency offset estimator in orthogonal frequency-division multiplexing(OFDM) systems.-Joint maximum likelihood (ML)symbol-time and carrier-frequency offset estimator in orthogonal frequency-divi
ofdm_EM_channel
- 分析了相位噪声对正交频分复用(OFDM)系统的影响,发现相位噪声不仅产生 通用相角错误(CPE),而且还会产生载波间干扰(ICI),这都使OFDM系统的性能急剧恶 化,因此必须对CPE和ICI进行校正.文中给出了基于MSE准则的CPE校正方法,考虑到 ICI干扰主要来源于相邻信道,进而提出了基于LMS法则的自适应相邻信道干扰消除方 法.整个算法简单高效.仿真结果表明,所提出的算法大大改善了OFDM系统的性能-Analysis of phase noise on the ortho
SPP
- 这是GPS单点定位的工程。本工程中利用伪距信息（而非载波相位）进行单点定位的解算，得到相应点的三维坐标。-This is the GPS single point positioning works. This project the use of pseudo-distance information (rather than the carrier phase) for a single point positioning solution calculation, three-dimens
cpsspwm
- 用matlab编写的载波相移SPWM的五电平仿真，效果比较好-Prepared using matlab carrier phase shift SPWM five-level simulation results were quite good
QPSK
- Quadrature Phase Shift Keying is a form of Phase Shift Keying in which two bits are modulated at once, selecting one of four possible carrier phase shifts in 0, 90, 180, or 270 degrees-Quadrature Phase Shift Keying is a form of Phase Shift Keying in
PSK
- PSK信号载波相位符号定时联合估计,载波环采用判决反馈环，去除噪声平方损耗，定时模块采用早迟原理， 里边有详细的注释，希望对大家有用。点击即可运行。-PSK signal carrier phase joint estimation of symbol timing, carrier ring using decision feedback loop, remove the noise square loss, using early-late timing module principle
PSKmatlab
- 载波调制的数字传输：载波相位调制和代码实现 -Modulation of the Digital Transmission: Carrier-phase modulation and code implementation
QAMXIANGP
- 本程序仿真了16QAM信号的载波相偏估计的HOS算法，整个算法实现分为（1）模拟发送端发送16QAM信号；（2）加入相偏来模拟通过信道后有相偏的测试信号；（3）利用HOS算法进行相偏估计与纠正；（4）输出星座图。-This procedure simulated a 16QAM signal carrier phase offset estimate of the HOS algorithm, the algorithm is divided into (1) analog transmitte
PSK_carrier_timing_est
- PSK信号载波相位符号定时联合估计程序-PSK symbol timing signal joint estimation of carrier phase process
AnAdaptiveFourDimensionalKalmnFilteforDopplerFrequ
- 用泰勒级数展开的形式表示高动态的载波相位参数, 给出了对高动态载体和各阶频率参数 估计的四阶加权扩展卡尔漫滤波器(EKF) , 以及实现高动态跟踪滤波器必须的状态转移矩阵和动 态噪声协方差矩阵. 计算机模拟实验分析了对载波相位和各阶频率的跟踪结果.-Taylor series expansion with the form that the carrier phase high-dynamic parameters, given the high-order dynamic freq
MILES
- 一种去相关最小二乘的载波相位整周模糊度解算-carrier phase