A new transform domain LMS algorithm

Investigating Multi-Array Antenna Signal Convergence using Wavelet Transform and Krylov Sequence

“…As mentioned earlier the signal Eigenvalue can be minimized by converting the signal to Wavelet domain and the Krylov method can be used to address the sparsity [9][10].The materials and methods are illustrated in Fig. 1.through following phases.…”

“…The Krylov sequence is then constructed in the Wavelet domain by estimating Autocorrelation 'R' matrix and Cross correlation 'P' vectors using the C A coefficients of DWT as in Equation (10) [1,10];…”

“…By definition it is constructed by ortho-normalizing R matrix and P vectors [10]. Each multiplicative term represents a subspace and the sparse is identified in these subspaces.…”

Simulating Gyro of Strapdown Inertial Navigation System Based on Star Sensor

“…Star sensor is a high-precision attitude measuring instrument and don't require any priori information, the attitude date can be provided by star sensor. Currently, star sensors are used not only to spacecraft, satellites and other spacecraft, but also to warships and missiles more and more [6]. Therefore, gyro is simulated by star sensor in order to improve the precision of strapdown inertial navigation system.…”