space time signal design for two antennas using sp
Báo cáo hóa học: " Real-Time Signal Processing for Multiantenna Systems: Algorithms, Optimization, and Implementation on an Experimental Test-Bed" potx
Ngày tải lên :
22/06/2014, 23:20
... The additional spatial dimension allows for so-called space- time codes which basically transmit replicas of the same information over, for example, different antennas in different time slots In ... symbols transmitted from two Tx antennas The signals are ordered as follows (from top to bottom): I -signal of Tx1, Q -signal of Thomas Haustein et al Tx1, I -signal of Tx2, and Q -signal of Tx2 The arrow ... calibration and signal processing at the Txs and Rxs REFERENCES [1] G J Foschini, “Layered space- time architecture for wireless communication in a fading environment when using multielement antennas, ”...
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Báo cáo hóa học: " Signal Reception for Space-Time Differentially Encoded Transmissions over FIR Rich Multipath Channels" potx
Ngày tải lên :
23/06/2014, 01:20
... van der Veen, S Talwar, and A Paulraj, “A subspace approach to blind space- time signal processing for wireless communication systems,” IEEE Trans Signal Processing, vol 45, no 1, pp 173–190, ... “Differential unitary spacetime modulation,” IEEE Trans Communications, vol 48, no 12, pp 2041–2052, 2000 [13] N D Sidiropoulos and R S Budampati, “Khatri-Rao spacetime codes,” IEEE Trans Signal Processing, ... Hanzo, Space- time codes and concatenated channel codes for wireless communications,” Proceedings of the IEEE, vol 90, no 2, pp 187–219, 2002 [7] V Tarokh, N Seshadri, and A R Calderbank, Space- time...
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Evaluation of Meteosat-8 measurements using daily global solar radiation for two stations in Iraq
Ngày tải lên :
05/09/2013, 16:10
... that Mosul station showed lowest RMSE and MAE than those for Baghdad for both time scale (seasonally and yearly) For the two stations spring presented the highest RMSE and MAE and this due to ... day-1) for Baghdad and Mosul stations respectively Conclusion In this work daily solar radiation values estimated from Meteosat-8 measurements were verified by using ground measurements for two ... obtained from the Iraqi Meteorological Office for two stations, namely Baghdad and Mosul Figures and show the results of these comparisons between for the two stations It is seen that measured and...
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Tài liệu Module 3: Using a Conceptual Design for Data Requirements docx
Ngày tải lên :
10/12/2013, 17:15
... needed to perform each action? What actions need to be performed in groups? For example, will you use transaction processing of information? Module 3: Using a Conceptual Design for Data Requirements ... What are the two phases in conceptual design that can result in the creation of use cases? Information gathering and information analysis 64 Module 3: Using a Conceptual Design for Data Requirements ... Module 8: Designing Data Services Module 7: Implementing Data Integrity Module 2: Solution Design Processes Designing Data Services and Data Models Module 3: Using a Conceptual Design for Data...
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Tài liệu 70 Space-Time Adaptive Processing for Airborne Surveillance Radar doc
Ngày tải lên :
16/12/2013, 04:15
... on Aerospace and Electronic Systems, AES-27(3), 532–539, May 1991 [16] DiPietro, R.C., Extended factored space- time processing for airborne radar systems, Proc 26th Asilomar Conference on Signals, ... Antenna design for adaptive airborne MTI, Proc 1992 IEE Intl Conf Radar, 296–299, Brighton, U.K., Oct 12-13, 1992 [11] Wang, H., Zhang, Y and Wicks, M.C., Performance evaluation of space- time processing ... Brown, R.D., Wicks, M.C., Zhang, Y., Zhang, Q and Wang, H., A space- time adaptive processing approach for improved performance and affordability, Proc IEEE 1996 National Radar Conference, 321–326,...
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Tài liệu Instructor Notes Module 3: Using a Conceptual Design for Data Requirements pdf
Ngày tải lên :
17/01/2014, 09:20
... conceptual design for data systems ! To prepare for the activity • Review the activity and anticipate possible responses from the students Instructor Notes Module 3: Using a Conceptual Design for Data ... otherwise, some students might spend so much time on one or two exercises that they will not be able to complete the entire activity Also try to allow some time for discussion after the activity ... 2 Instructor Notes Module 3: Using a Conceptual Design for Data Requirements Activities Activity 3.1: Identifying Data-Related Use Cases and...
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Báo cáo khoa học: "An Optimal-Time Binarization Algorithm for Linear Context-Free Rewriting Systems with Fan-Out Two" ppt
Ngày tải lên :
23/03/2014, 16:21
... improvement in parsing time if we use the new productions obtained in the transformation Our algorithm has optimal time complexity, since it works in linear time with respect to the input production ... this loop can be executed in constant time We can therefore conclude that our binarization algorithm runs in optimal time O(|p|) In order to run in constant time each single iteration of the while-loop ... is then performed in constant time, as described above This proves our claim that each single iteration of the while loop can be executed in constant time XAi , and thus in linear time in |p|...
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Design for network: Using the Internet
Ngày tải lên :
03/06/2014, 17:01
... SLOAN MANAGEMENT REVIEW, SPRING 2010 #DESIGNFORNETWORKS // @MIKEARAUZ // MAY 2010 COLLECTIVE ACTION BY DESIGN #DESIGNFORNETWORKS // @MIKEARAUZ // MAY 2010 #DESIGNFORNETWORKS // @MIKEARAUZ // MAY ... Everybody #DESIGNFORNETWORKS // @MIKEARAUZ // MAY 2010 WE WILL BE JUDGED BY OUR ABILITY TO ENGAGE AND EMPOWER A NETWORK #DESIGNFORNETWORKS // @MIKEARAUZ // MAY 2010 THINGS USED TO BE SIMPLE #DESIGNFORNETWORKS ... PARTICIPATING ♥ #DESIGNFORNETWORKS // @MIKEARAUZ // MAY 2010 #DESIGNFORNETWORKS // @MIKEARAUZ // MAY 2010 21 FARMVILLE WORKERS OF THE WORLD, UNITE AND RISE UP! COLLECTIVE ACTION #DESIGNFORNETWORKS //...
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mohamed najim - digital filters design for signal and image processing
Ngày tải lên :
05/06/2014, 12:05
... ) = for k ≠ ⎩ Digital Filters Design for Signal and Image Processing ⎧ u ( k ) = for k ≥ ⎪ Unit step signal: ⎨ ⎪u ( k ) = for k < ⎩ ⎧ r ( k ) = k for k ≥ ⎪ Unit ramp signal: ⎨ ⎪r ( k ) = for ... look at the z-transform of discrete -time exponential signals x(k ) = e −αk for k ≥ and x(k) = for k < and y(k) = x(k-m) where m is a natural integer 30 Digital Filters Design for Signal and Image ... continuous -time or analog signal can be measured at certain instants This means physical phenomena create, for the most part, continuous -time signals Time (s) Figure 1.1 Example of the sleep spindles...
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báo cáo hóa học:" Public telesurveillance service for frail elderly living at home, outcomes and cost evolution: a quasi experimental design with two follow-ups" ppt
Ngày tải lên :
20/06/2014, 15:20
... were applied to the hospitalization data, which came from independent samples (different "n"s at different times) For the cost analysis, only running costs were considered for two reasons First, ... If the duration of all hospitalizations is known, the TDH is used directly to calculate the average cost of hospitalizations 4For example, for the period 0–3 months before installation: the TDH ... effectiveness and cost of such a modality Methods Design A quasi-experimental design with two follow-ups was used [18] Measures were taken before and after the introduction of the telesurveillance...
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Báo cáo hóa học: " Robust time delay estimation for speech signals using information theory: A comparison study" pot
Ngày tải lên :
21/06/2014, 01:20
... we conduct experiments for speech signals to evaluate the estimators using both simulated and real impulse responses in reverberant room environments A real female speech signal is convolved with ... of noisy speech signals used for TDE Moreover, we show that the two measures are equivalent for TDE when the source signal is stationary However, for non-stationary signals, maximizing the MI gives ... linear equispaced microphone array of six omni-directional receivers with inter-element spacing of 10 cm is considered Two reverberation conditions are simulated for different reverberation time T60,...
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Báo cáo sinh học: " Research Article Minimum Variance Signal Selection for Aorta Radius Estimation Using Radar" pptx
Ngày tải lên :
21/06/2014, 16:20
... suitable transformation which would necessarily imply a transformation of the signal s The present results would then apply to the transformed signal The second choice concerns the signal space to ... via spacetime beamforming for early-stage breast-cancer detection,” IEEE Antennas and Propagation Magazine, vol 47, no 1, pp 19–34, 2005 [10] D J Kurrant, E C Fear, and D T Westwick, “Tumor response ... searching for the maximum of the crosscorrelation However, here both the norm and signal form (zθ ) are dependent upon θ and hence the “matched filter” corresponds to a search over the parameter space...
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Báo cáo hóa học: " Dance-the-Music: an educational platform for the modeling, recognition and audiovisual monitoring of dance steps using spatiotemporal motion templates EURASIP Journal on Advances in Signal Processing 2012," doc
Ngày tải lên :
21/06/2014, 19:20
... only a small action space restricting spatial displacement, rotation, etc The Dance-the-Music drastically expands the action/dance space facilitating rotation, spatial displacement, etc The structure ... compensate for small deviations from the model in space as well as in time (cf., [32]) Spatial deviations not necessarily need to be considered as errors A small deviation in space (movement is performed ... gestures HMMs are fine for detecting basic steps and spatial patterns but cause major difficulties for timing aspects because of the inherent time- warping mechanism Therefore, for the Dance-the-Music,...
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Báo cáo hóa học: " Research Article Vector Field Driven Design for Lightweight Signal Processing and Control Schemes for Autonomous Robotic Navigation" ppt
Ngày tải lên :
21/06/2014, 20:20
... employ vector fields only at design time (or “compile time ) in order to eliminate the cost of computing a EURASIP Journal on Advances in Signal Processing spatially-extended two- dimensional function ... Let: ⎧ ⎪−1 ⎪ ⎪ ⎪ ⎨ sgn(x) = ⎪0 ⎪ ⎪ ⎪ ⎩ for x < 0, for x = 0, +1 for x > 0, ⎧ ⎨−1 for x < 0, +1 for x ≥ 0, sgn+ (x) = ⎩ sΩ Ω3 Mj j T M (1) denote the displacement between the η2 agent and an object ... = f(x), x ∈ Rn ) the vector field specifies how the states, x(t), evolve in time (i.e., how the trajectory x(t) “flows” through the state space Rn with respect to time) Hence the vector field describes...
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báo cáo hóa học:" Research Article Signal Processing Strategies for Cochlear Implants Using Current Steering" docx
Ngày tải lên :
21/06/2014, 20:20
... consumption Study Design HiRes, SpecRes, and SineEx were incorporated into the research platform Speech Processor Application Framework (SPAF) designed by Advanced Bionics Using this Platform, 12 EURASIP ... input signal because noise components comprise important cues for speech perception as well as for auditory scene analysis An important aspect in designing new signal processing strategies for ... improvement of speech recognition for the SpecRes strategy against the HiRes and SineEx of 4% and 8%, respectively For the HSM with competing talker (speech background interference) the SpecRes achieved...
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Báo cáo hóa học: "Editorial Space-Time Channel Modeling for Wireless Communications" pptx
Ngày tải lên :
21/06/2014, 22:20
... material on Space- Time Channel Modeling for Wireless Communications Finally, we would like to thank the Editorial Office of EURASIP Journal on Advances in Signal Processing and the Editor-in-Chief for ... between time- hopped time- reversed systems and equalization RAKE-based systems ACKNOWLEDGMENTS We would like to thank all researchers who submitted papers to this special issue and the large time ... systems and proposes a time- reversed channel impulse response strategy to implement prefiltering at the transmitter This enables the received signal to be temporally and spatially focused at the...
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Báo cáo hóa học: "Research Article Linearly Time-Varying Channel Estimation and Symbol Detection for OFDMA Uplink Using " potx
Ngày tải lên :
21/06/2014, 23:20
... particular, with the specifically designed training sequence (10), the closed-form estimation variance (31) may provide a guideline for signal power allocation at transmitter, for example, for a given ... takes, for example, 4-PSK and 8-PSK signals, and so forth Step Reconstruct the time- domain received signal vectors with the estimated channel coefficients in (16) and data sequences in (34), respectively, ... corresponding time- domain signals of various users are in fact a δ-sequence as pn (i, t) = E p Bδ(t − (n − 1)L), n = 1, , N, that follows a disjoint set with an interval L Therefore, using...
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Báo cáo hóa học: " Research Article Cross-Layer Design for Video Transmission over Wireless Rician Slow-Fading Channels Using an Adaptive Multiresolution Modulation and Coding Scheme" pptx
Ngày tải lên :
22/06/2014, 19:20
... /2 is the two- sided power spectral density of the stationary AWGN as described above We consider signaling alphabets with M = 2m , for example, for 8-PSK, M = 8, and m = For the information in ... 2-layer system using nonuniform 8-PSK without channel coding (3) A single-layer system using either uniform QPSK or uniform 8-PSK with channel coding (4) A 2-layer system using nonuniform 8-PSK with ... employing uniform MPSK: QPSK and 8-PSK, without channel coding for AWGN channel Fixed symbol transmission rate rS = 128 Ksps (1) A single-layer system using either uniform QPSK or uniform 8-PSK...
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Báo cáo hóa học: " Space-Time Water-Filling for Composite MIMO Fading Channels" doc
Ngày tải lên :
22/06/2014, 22:20
... and disadvantages of space- time water-filling versus spatial water-filling in Table For space- time water-filling, only the cutoff threshold needs to be precomputed, while for spatial waterfilling, ... Wireless Communications and Networking User data Spacetime transmitter Spacetime receiver User data Figure 1: Point-to-point MIMO systems respectively The symbolwise discrete -time input-output relationship ... capacity as space- time water-filling However, for Rayleigh channels with shadowing variance ρ = 8, the space- time water-filling algorithm achieves approximately 0.15 bps/Hz/antenna over spatial water-filling...
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Báo cáo hóa học: " Flexible Radio: A Framework for Optimized Multimodal Operation via Dynamic Signal Design" potx
Ngày tải lên :
23/06/2014, 00:20
... (Space Time CodING for Adaptive ReconfigurAble Systems) as a Research Associate His research interests include the topics of signal processing for communications and, in particular, adaptive signal ... considerations There are several forms of diversity that a system can offer, such as time, frequency, and space The ability to change the number of antennas, subcarriers, spreading factor and the ST ... The performance gain of the proposed algorithm is shown for 4-QAM, the code rates 1/2 and 2/3 Performance is plotted for no adaptation, as well as for algorithm in an NLOS scenario The performance...
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