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qpsksystem_SJSU
- 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. The receiver includes an NDA timing recovery
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
stub
- 相位恢复算法，里面的滤波器用Matlab编写-phase recovery algorithm
costas
- Recovery phase with recursive Costas loop. Bpsk symbols to demodulate
synchronization
- 采用AFC技术来锁定频，采用Garden技术进行定时恢复，采用Costas环进行相位的锁定-Use technology to lock the frequency of AFC, using Garden timing recovery techniques using Costas loop for phase locking
costas_ClosedLoop
- A Costas loop is a phase-locked loop used for carrier phase recovery from suppressed-carrier modulation signals, such as from double-sideband suppressed carrier signals. It was invented by John P. Costas at General Electric in the 1950s. Its inventio
costas_ClosedLoop_IIR
- A Costas loop is a phase-locked loop used for carrier phase recovery from suppressed-carrier modulation signals, such as from double-sideband suppressed carrier signals. It was invented by John P. Costas at General Electric in the 1950s. Its inventio
Carrier-Phase-Recovery
- 一篇基于似然函数的盲载波恢复的国外论文，值得一看-An EM Approach to Carrier Phase Recovery in AWGN Channel
Carrier-Recovery
- 本论文详细了关于载波恢复的锁相环原理，可以借鉴下，讲的不错-Of this thesis in detail on the carrier recovery phase-locked loop principle, can learn from the next, talking about good
MethodofExtensioninterferogram
- 用二维快速傅立叶变化方法处理干涉图时，由于采样的数据序列长度必须是2的n次，故须将干涉图的数据范围圆形域延拓成矩形区域，文中提出了一种基于块重建算法的干涉图延拓的原理和方法，利用该方法对一幅实际干涉图进行了延拓，结果表明，该原理方法具有较高的处理精度，为波面相位复原奠定了基础。-Two-dimensional fast Fourier transform method for interferogram processing, due to the sampling of the data se
phase-shiftKeying
- Thus PSK systems require less transmitted power for a given probability of error than ASK or FSK systems. Synchronous detection of PSK signals is required,due to the absense of a large carrier component.Carrier recovery is there for emore compl
Cartwright_1999
- <Blind phase recovery in general QAM communication systems using alternative higher order statistics> 作者是K.V.Cartwright。文中对以前Chen的算法进行了描述，在此基础上进行了改进。- <Blind Phase recovery in general QAM communication systems using alternative higher orde
chen_1996
- Ling chen---<Blind phase recovery in QAM communication systems using higher order statistics>1996
cartwright_2005
- 参考文献是<Blind phase recovery in cross QAM communication systems with the reduced-constellation eighth-order estimator(RCEOE)>,Cartwright,2005 减化为8个正交的点。减化星座法，只利用了8个能量最高的点。从APP方法改进而来，与EOE方法不同。需要进行增益控制。-Reference is <Blind phase recovery
Cartwright_2001
- 参考文献<blind phase recovery in cross QAM communication systems with eighth-order statitics> 2001,cartwright- References <blind phase recovery in cross QAM communication systems with eighth-order statitics> 2001, cartwright
Post_S_DSP_Phase_16QAM
- MQAM在DSP中进行信号处理需要的载波相位恢复程序，适用于16QAM信号的载波相位恢复，利用Python语言编写 -MQAM signal processing in the DSP requires the carrier phase recovery process, the 16QAM signal applied to the carrier phase recovery, using the Python language
pr-of-oss
- 相干衍射成像中的过采样平滑恢复算法（相位恢复算法的一种优化）-Coherent diffraction imaging oversampling smooth recovery algorithm (an optimization phase recovery algorithm)
Filtro-3-vias
- This 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. The receiver includes an NDA timing recovery lo
carrier-recovery-pll
- 包含两个costas环代码和一个锁相环代码，能够同步载波，都能正确运行，可供参考-Contains two costas ring code and a phase locked loop code, can be synchronized carrier, can run correctly, for reference
test_GS
- 标准GS相位恢复算法，利用傅里叶变换与反变换进行逼近，直至收敛，误差下降算法。(Standard GS phase recovery algorithm, using Fourier transform and inverse transform approximation, until convergence, error reduction algorithm.)