Báo cáo hóa học: " Adaptive Local Polynomial Fourier Transform in ISAR" pptx

... “Order adaptive local polyn- imial FT based interference rejection in spread spectrum communication systems,” in Proceedings of IEEE International Symposium on Intelligent Signal Processing (WISP ... image: (a) results obtained by the FT-based method; (b) adaptive LPFT method; (c) adaptive chirp rate (dotted line), filtered adaptive chirp rate (light solid line), linear interpola...

Ngày tải lên: 22/06/2014, 23:20

... training mode. As regards changes within one session, to distinguish between the changes in perfor- mance occurring during the Robot Training phase f rom those occurring during the Subject Training ... the training protocol: Baseline 1 (B1), Robot Training, Baseline 2 (B2), Subject Training, Wash-out. The phases in which the robot generates no forces (B1, B2, Wash-out) are indicated in...

Ngày tải lên: 19/06/2014, 08:20

... clustering of the training HR patches and derives an inverse map for estimating the missing high-frequency components from the two nonlinear eigenspaces of training HR patches and their corresponding ... estimates its missing high-frequency components using the following novel approaches based on the obtained nonlinear eigenspaces: (i) derivation of an inverse map for estimating the missing h...

Ngày tải lên: 20/06/2014, 04:20

... leaving, entering, and monitoring. In such scenario, there are a known number of tags within the reader’s interrogat ion area acco rding to a goods list in the backend database. The reading speed ... 00000010111101 Upon obtaining the bit strings RS X , RS W , RS Y ,and RS Z , the reader detects two collided bit po sitions , i.e., 0 and 1, among the CRS j bit strings contained in the inc...

Ngày tải lên: 20/06/2014, 22:20

... local area, in IEEE PIMRC, pp. 1–5 (2007) 2. T Farnham, M Sooriyabandara, C Efthymiou, Enhancing multimedia streaming over existing wireless LAN technology using the unified link layer API. Int ... orre- sponding reduction in the observed channel bit rate due to an increase in the error resulting from incorrect channel state estimation and conse quently inappropriate channel selection...

Ngày tải lên: 20/06/2014, 22:20

... partitioned beamforming. In this algo- rithm, we can improve the BER performance by achieving combining gain through beamforming, and multiplexing gain through spatial multiplexing. We assume that ... grouping. In (15), we can easily calculate the minimum Euclidean distance of received beamforming constellation. As in [11], we compare λ 2 min (H AG ) · d 2 min,ag N r and λ 2 max (H) · d...

Ngày tải lên: 20/06/2014, 22:20

... 8). In other words, the FIC RR- WF algorithm is capable of achieving a substantial saving in complex- ity while maintaining a near full-rank WF performance. 7. Conclusion In this paper, an adaptive ... systems can be performed by either adopting preamble training sequence or inserting pilot signals into each OFDM symbol. Here, we use a few pilots that are inserted into each OFDM symbo...

Ngày tải lên: 20/06/2014, 22:20

... the signaling overhead for unicast polling. c) The uplink protocol data units (PDUs) have two statuses: transmission-preparing (tp)andtransmission- ready (tr). The incoming uplink data are packed into the ... metrics including delay, delay jit- ter, BER, packet loss rate, etc., which is mainly deter- mined by the bandwidt h allocation (BA) and scheduling algorithm. In literature, the maximu...

Ngày tải lên: 21/06/2014, 00:20

... 8). In other words, the FIC RR- WF algorithm is capable of achieving a substantial saving in complex- ity while maintaining a near full-rank WF performance. 7. Conclusion In this paper, an adaptive ... from R H(l) H(l) containing the s ingu lar vectors and Λ is a diagonal matrix containing the singular values l 0 ≥ l 1 ≥ ≥ l N-1 on its diagonal. Then, substituting (11) into (8) derive...

Ngày tải lên: 21/06/2014, 00:20

... ray-tracing technique in channel modeling (see Figure 1), which is detailed in [12]. In our analysis, the transceiver can be any device, defined in IEEE 802.15.3c [5] or 802.11ad [6], located in arbitrary ... summarized in Algorithm 1. In what follows we discuss the form of the objective func- tion j(·) in (8) and its calculation. 3.2 Estimating the principal singular value us...

Ngày tải lên: 21/06/2014, 01:20