• No results found

high DOA estimation accuracy

DOA Estimation in the Uplink of Multicarrier CDMA Systems

DOA Estimation in the Uplink of Multicarrier CDMA Systems

... conventional DOA estimation algo- rithms cannot be employed in such a scenario unless users’ separation has been successfully completed, since otherwise the number of sensors in the antenna array should be ...

9

An Approach for Efficient Two-Stage 2D-DOA Estimation in High-Altitude Platforms Mobile Communications

An Approach for Efficient Two-Stage 2D-DOA Estimation in High-Altitude Platforms Mobile Communications

... (DOA) estimation technique independently on the GPS system. In HAP systems, DOA estimation techniques should provide two- dimensional angles-of-arrival for users with high ...

13

DOA estimation for wideband LFM signals with a few snapshots

DOA estimation for wideband LFM signals with a few snapshots

... the DOA depending on a few snapshots with high- resolution and low ...the accuracy of which is not high due to using an approximate model for wideband LFM ...

7

Spatial polarimetric time frequency distribution based DOA estimation: combining ESPRIT with MUSIC

Spatial polarimetric time frequency distribution based DOA estimation: combining ESPRIT with MUSIC

... spectrum estimation technology has always been the focused research project in an array signal processing of High Frequency Surface Wave Radar ...for DOA estimation of HFSWR echo signals, ...

8

DOA estimation for periodically modulated sources

DOA estimation for periodically modulated sources

... of DOA can be used for mobile localization for directional transmission in the downlink ...the DOA estimation of sources is one important research topic, and various algorithms in this field over the ...

8

DOA estimation for far field sources in mixed signals with mutual coupling and gain phase error array

DOA estimation for far field sources in mixed signals with mutual coupling and gain phase error array

... actual DOA, and Fig. 4 illus- trates the estimation accuracy versus signal-to-noise ra- tio (SNR) when number of snapshots B is 25, then ...is high or number of snap- shots is large ...

10

DOA Estimation with Local-Peak-Weighted CSP

DOA Estimation with Local-Peak-Weighted CSP

... during high-speed cruising with an open window are generally ...has high perfor- mance with acute directivity, then the performance declines greatly if the localization is ...lose accuracy with a ...

9

A Novel High Resolution DOA Estimation Design Algorithm of Close Sources Signal for Underwater Condition

A Novel High Resolution DOA Estimation Design Algorithm of Close Sources Signal for Underwater Condition

... monitored. DOA estimation carried out using a single fixed antenna has limited resolution, as the physical size of the operating antenna is inversely proportional to the antenna main lobe beam ...parameter ...

8

A single triangular SS EMVS aided high accuracy DOA estimation using a multi scale L shaped sparse array

A single triangular SS EMVS aided high accuracy DOA estimation using a multi scale L shaped sparse array

... The DOA estimation process of this array is similar to that of the proposed array, except that the correspond- ing direction cosines change from u and v to v and ...parameter estimation performance ...

15

Performance of 2-D DOA Estimation for Stratospheric Platforms Communications

Performance of 2-D DOA Estimation for Stratospheric Platforms Communications

... on high resolution DOA technique such as MUSIC algorithm [12] which will provide good accuracy comparable to Global Positioning System (GPS) for mobile users without GPS ...

8

Evaluation and Minimization of Cramer-Rao Bound for Conformal Antenna Arrays with Directional Emitters for DOA-Estimation

Evaluation and Minimization of Cramer-Rao Bound for Conformal Antenna Arrays with Directional Emitters for DOA-Estimation

... and accuracy of direction-of- arrival (DOA) estimation is discussed for a number of planar waves arriving on an antenna ...the accuracy of the DOA estimation of the radio ...

16

High-accuracy sub-pixel motion estimation from noisy images in Fourier domain

High-accuracy sub-pixel motion estimation from noisy images in Fourier domain

... Firstly, 10-pairs of combinations are extracted from the five noise-free MRI images and used for motion estimation, and the estimated shifts as well as their corresponding average MSE measurements are given in ...

6

Single snapshot DOA estimation

Single snapshot DOA estimation

... It is interesting to note that widely spaced targets are not necessarily easier to resolve than close targets, when using a sparse array. This is because the envelope of the corre- lation of the non-sparse array is ...

6

DOA Estimation of Partially Polarized Signals

DOA Estimation of Partially Polarized Signals

... PP signals can be found in many applications such as radar and ionospheric radio. In addition, even though the original transmitted signal is CP, the state of polarization return received by a radar can vary during the ...

10

Generalization Propagator Method for DOA Estimation

Generalization Propagator Method for DOA Estimation

... Abstract—A generalization propagator method (GPM) is presented. It is the extension of traditional propagator method (PM). In order to make full use of the received data, many propagators are structured according to ...

7

Two dimensional DOA estimation of coherent sources using two parallel uniform linear arrays

Two dimensional DOA estimation of coherent sources using two parallel uniform linear arrays

... (DOA) estimation of incident coherent source signals has received increasing atten- tion in radar, sonar, and seismic exploration ...Many high-resolution techniques, such as MUSIC [6] and ESPRIT [7], ...

9

Estimation accuracy of high–low spread estimator

Estimation accuracy of high–low spread estimator

... daily high and low ...the estimation of security price volatilities from historical ...1991. Estimation of the bid-ask spread and its components: a new ...

9

Lightweight Multi-direction-of-arrival Estimation on a Mobile Robotic Platform

Lightweight Multi-direction-of-arrival Estimation on a Mobile Robotic Platform

... Golem is a service robot built with a primary focus on HRI. It is integrated by a cognitive architecture focused on HRI, termed Interaction-Oriented Cognituve Architecture (IOCA, [8]), which can take advantage of ...

6

Comparative Study on Various Techniques of DOA Estimation of Source Target for Underwater Application

Comparative Study on Various Techniques of DOA Estimation of Source Target for Underwater Application

... (DOA) estimation is one of the challenging problems in many ...arrival estimation can be enhanced by an array antenna system with innovative signal ...the DOA estimation algorithms ...

8

Performance Evaluation of an Algorithm for Estimation of DOA Using Model Estimation Technique

Performance Evaluation of an Algorithm for Estimation of DOA Using Model Estimation Technique

... estimate DOA. Effort is made to treat DOA estimation as parameter estimation problem, using ...estimating DOA in the case of isolated ...the DOA estimation ...

7

Show all 10000 documents...

Related subjects