Direction of arrival estimation using multiple sensors

... • the direction( s) -of- arrival (DOAs) of incident sources, • inter-sensor delays of incident signals impinging onto the array, and • incident source waveforms The estimation of the number of incident ... List of Tables 5.1 Comparison of computational complexity of wideband algorithms 90 viii List of Figures 1.1 System model of array signal processing 2.1 Radiation pat...

Ngày tải lên: 10/09/2015, 15:51

... will focus on the description of an enhanced estimation procedure of B with the aim of improving performance for both beamforming and direction of arrival estimation in a coherent narrowband scenario, ... permutation matrix containing only one non-zero element per line and column Therefore, the columns of E−† = QZ match those of Q to within scale and H permutat...

Ngày tải lên: 21/06/2014, 05:20

... propose a computationally efficient method for DOA estimation, based on partial a priori knowledge of signal sources Using the orthogonal property of the matched filters of the MSWF, we show that the signal ... knowledge of training data That is to say, the proposed method only needs partial a priori knowledge of signal sources, such as the training dat...

Ngày tải lên: 22/06/2014, 23:20

... research work looks at estimation of direction of arrival of UWB multipath signals in typical propagation environments in the presence of interferers The known pilot signals of UWB signals are exploited ... estimating direction of arrival of UWB multipaths and simulation level evaluation of these algorithms 1.5 Thesis Outline In Chapter 2,...

Ngày tải lên: 14/09/2015, 08:24

... output of the correlators However, when low-rate samples are employed, the TOA estimation can take a very long time Therefore, we propose a two-step TOA estimation algorithm that can perform TOA estimation ... [38–40] The focus of this paper is on the twostep TOA estimation algorithm shown in Figure In order to perform fast TOA estimation, the first step of the proposed two...

Ngày tải lên: 21/06/2014, 22:20

... of noncontinuous CDMA signals Bergel and Messer had termed these signals as generalized CDMA (GCDMA) The noncontinuity is achieved by setting some of the symbols to zero and transmitting the others ... research focuses on the implementation of probability control in practical CDMA systems, it is interesting to investigate the effect of the changes in transmission probability on t...

Ngày tải lên: 22/06/2014, 19:20

... Methods for calibration and mitigation of NLOS ranging errors are analyzed in [21, 22] and, in the specific UWB range estimation context, in [23] An algorithm for ranging estimation in the case of ... correlators is interesting for investigating the realization of a UWB selective Rake receiver However, when the goal is the estimation of the ToA of the direct p...

Ngày tải lên: 22/06/2014, 23:20

... think of our approach as the control of nonlinear systems using piecewise affine models , which is a special case of control of nonlinear systems using multiple models 1.3 Identification of nonlinear ... 1.2 Control of nonlinear systems using multiple models and piecewise affine models Another simpler way to control a nonlinear system over a larg...

Ngày tải lên: 10/09/2015, 15:50

... article as: Arjunan and Kumar: Decoding subtle forearm flexions using fractal features of surface electromyogram from single and multiple sensors Journal of NeuroEngineering and Rehabilitation ... consisting of FD and MFL of single channel sEMG are indicators of relative strength of contraction of Figure Estimated shape of MUAPs at the surfac...

Ngày tải lên: 19/06/2014, 08:20

... distribution of the sensing films composed of (a) P-25 commercial particles, (b) TiO2 nanotubes obtained by hydrothermal treatments for 24 h at 230oC, (c) TiO2 nanotubes ball milled for h, and (d) TiO2 nanotubes ... test gas, respectively Results and Discussion 3.1 Characterization of nanotubular TiO2 films Figure shows SEM images of the surface of TiO2 thick films compos...

Ngày tải lên: 19/03/2014, 16:47

... kanji katakana katakana-kanji kanji-hiragana hiragana kanji-katakana kat akana-symbol-katakana number kanji-hiragana-kanji alphabet kanji-hir agana-kanji-hir agana hiragana-kanji percent 45.1% 11.4% ... speech Table shows examples of common charto Chinese characters Hiragana and katakana are acter bigrams for each part of speech in the infresyllabaries: The former is used primar...

Ngày tải lên: 23/03/2014, 19:20

... Cite this article as: Sehle et al.: Objective assessment of motor fatigue in multiple sclerosis using kinematic gait analysis: a pilot study Journal of NeuroEngineering and Rehabilitation 2011 ... differences in mean gait parameters with greater changes in variability Finally, for other patients gait changes with physical exertion manifested in both cha...

Ngày tải lên: 19/06/2014, 08:20

... may utilize multiple vendors for data collection using mailed surveys without fear of data quality problems Page of (page number not for citation purposes) Health and Quality of Life Outcomes 2003, ... principles of standardization and simplicity researchers and project managers can maximize the probability of collecting high quality data when utilizing multip...

Ngày tải lên: 20/06/2014, 15:20

... Ohtsuki: Localization using iterative angle of arrival method sharing snapshots of coherent subarrays EURASIP Journal on Advances in Signal Processing 2011 2011:46 Abbreviations AOA: angle of arrival; ... interpolation matrix B, preliminary Proposed method We propose a new localization method sharing snapshots of coherent subarrays and estimating AOA i...

Ngày tải lên: 21/06/2014, 00:20

... (dB) 10 LV -MUSIC PSA -MUSIC −10 −8 −6 −4 QQ -MUSIC BQ -MUSIC −2 SNR (dB) 10 LV -MUSIC PSA -MUSIC Figure 7: RMS estimation errors versus SNR for an ideal EM vector- sensor array Figure 9: RMS estimation ... error QQ -MUSIC BQ -MUSIC 0.5 −10 10 LV -MUSIC PSA -MUSIC −6 −4 −2 SNR (dB) QQ -MUSIC BQ -MUSIC Figure 6: RMS estimation errors versus the power of sensor orientation...

Ngày tải lên: 22/06/2014, 01:20