Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Tian-shuang QIU"'
Autor:
Jiang-an DAI, Tian-shuang QIU
Publikováno v:
Tongxin xuebao, Vol 38, Pp 67-73 (2017)
In order to improve tracking performance in a noisy and reverberant environment,an acoustic source tracking algorithm using track before detect was proposed.This algorithm used a modified steered response power as localization function which take int
Externí odkaz:
https://doaj.org/article/bf34e2efc65043c8b81db0c2836b3659
Publikováno v:
Tongxin xuebao, Vol 37, Pp 42-49 (2016)
According to the performance degradation problem of parameter estimation algorithm in the Alpha stable dis-tribution noise, inspired by the concept of correntropy, a new class of statistics, namely, the fractional lower-order cor-rentropy-analogous s
Externí odkaz:
https://doaj.org/article/85b3f0430c16414087e8fb62f49faf9f
Autor:
Hong-yu WANG, Tian-shuang QIU
Publikováno v:
Tongxin xuebao, Vol 37, Pp 1-8 (2016)
The unified decomposition theories and methods for deterministic signals and stationary random signals were deeply studied.According to the stability theory of linear systems,the unified results of signal decomposition under both regular stable and b
Externí odkaz:
https://doaj.org/article/9e928da095bb4284aab71874d9b811e6
Publikováno v:
Tongxin xuebao, Vol 37, Pp 75-80 (2016)
In view of the problems of inefficient in low SNR and less snapshots when using existing sources number estimation related algorithms,a new algorithm based on e1sparse regularization under space stationary noise was proposed to estimate the number of
Externí odkaz:
https://doaj.org/article/c7ad48765d424a9eb200453fcffe946b
Publikováno v:
Tongxin xuebao, Vol 37, Pp 107-115 (2016)
To overcome the performance degradation of conventiona methods in low duty ratio condition, a novel me-thod of parameters estimation for LFM signal based on the Gaussian-weighted fractional Fourier transform (GFRFT) was proposed. Firstly, the GFRFT d
Externí odkaz:
https://doaj.org/article/92622ff14af948af95631abd894a6c8a
Publikováno v:
Tongxin xuebao, Vol 36, Pp 102-108 (2015)
A novel time delay estimation algorithm was proposed to correct ADS-B latency employing an auxiliary signal source and correntropy.Firstly,the cause of message delay was analyzed and a new latency model was raised.Secondly,when comparing the signal s
Externí odkaz:
https://doaj.org/article/8c2cb4c3e3634145961beea45c1d139a
Autor:
Li LI, Tian-shuang QIU
Publikováno v:
Tongxin xuebao, Vol 35, Pp 192-199 (2014)
A novel algorithm to jointly estimate parameters based on the fractional power spectrum density (FPSD) was proposed in wideband bistatic MIMO radar system. In many applications, it is not appropriate to approximate the wide-band signal by the narrowb
Externí odkaz:
https://doaj.org/article/6768c851172340aeb9d9aa23864afc99
Publikováno v:
Tongxin xuebao, Vol 35, Pp 9-15 (2014)
By introducing cyclostationary theory into the estimation of direction of signal of arrival, a novel extended cy-clic MUSIC algorithm based on uniform circular array was developed. The proposed method could eliminate both noises and interferences in
Externí odkaz:
https://doaj.org/article/ed1c50e970b64a04ad7373c2fdb53be5
Publikováno v:
Tongxin xuebao, Vol 34, Pp 184-190 (2013)
The problem of time delay estimation (TDE) for cyclostationary signals in the presence of α-stable distribution impulsive noise and interfering signals was addressed.Since the conventional algorithms based on the second-order cy-clic spectral correl
Externí odkaz:
https://doaj.org/article/1a2692ef5b404dde91525ce31ef27ca9
Publikováno v:
Tongxin xuebao, Vol 34, Pp 71-78 (2013)
A novel class of bounded statistics,namely,the M-estimate like correlation (MELC) for independently identi-cal distributed symmetric alpha-stable (SαS) random variables was defined.Based on the MELC matrix for the array sensor outputs,a new algorith
Externí odkaz:
https://doaj.org/article/ea595ece8e334f1fb285e332cda3ff6b