mode estimation
1.MODE SPACE SMOOTHING ALGORITHM FOR DOA ESTIMATION OF COHERENT SOURCES WITH UNIFORM CIRCULAR ARRAY
2.In accordance with the feature of multiple encoding modes,all-zero block detection is applied to the AVS-M mode selection,and further improves the efficiency of motion estimation.
3.Based on theoretical analysis of synchronization errors on the performance of OFDM systems, normal synchronization algorithms for MMO-OFDM system under burst mode transmission, including frame detection, coarse timing, fractional frequency offset estimation, integral frequency offset estimation, fine timing, sampling frequency error correction and residual phase tracking are designed and simulated in sequence.
4.Parameter and time delay estimation of ultrasonic multi-mode Lamb waves based on wavelet transform
5.Finally, according to the characteristics of H.264/AVC, apply the Baseline encoder to optimization through fast mode decision for intra prediction based on edge direction information, Unsymmetrical-Cross Multi-Hexagon-Grid motion estimation fast algorithm, integer transform and motion estimation fast algorithm based on all zero coefficient detection, inter prediction mode selection fast algorithm, therefore greatly improve the efficiency of enoder.
6.The phase estimation algorithms based on M-power for MPSK signals, the HA algorithm for high order QAM signals and blind algorithm of CEO are discussed and derived, based on which a new phase estimation algorithm without ambiguity is presented which is suited for burst-mode transmissions.
7.Fourth, the dissertation elucidates the basic connotation of the Design For Cost and the characteristics of the interorganizational DFC. It presents the figure of the interorganizational DFC, introduces the main content of the interorganizational DFC, and puts forwards the cost estimation mode based on xBOM.
8.A new double-injection all-silicon junction field-effect transistor structure is proposed and analyzed as a guided-wave electro-optical modulator and 2×2 electrooptical switch for infrared region. Their operating principles are analyzed, some parameters are given, and the frequency bandwidth is estimated digitally. Estimation of the change Δn_(eff) in effective mode index shows that the DIFET device is viable.
9.This thesis studied on the characteristics of mechanical winds and natural winds, simulation technology of the natural winds and the estimation for thermal comfort abstractly and experimentally, synthetically applying signal processing technology, simulation technology, virtual instrument technology, thermal comfort theory and the theory of ergonomics. The purpose of this study is to realize real natural wind simulation, to improve the terminal winding mode of the air conditioners and the human comfort, to reduce energy consume.
