نتایج جستجو برای: current frame strategy
تعداد نتایج: 1175598 فیلتر نتایج به سال:
This paper investigates an improved control strategy for a doubly-fed induction generator (DFIG) based wind-power generation system with series grid-side converter (SGSC) under network unbalance and harmonic grid voltage distortion conditions. The integrated mathematical modeling of the DFIG system with SGSC is established by taking both the negative-sequence and harmonic components of the grid...
Assumptions Intermediate language: RISC-like 3-address code‡ Intermediate Code Generation (ICG) is independent of target ISA Storage layout has been pre-determined Infinite number of registers + Frame Pointer (FP) Q. What values can live in registers? ‡ ILOC: Cooper and Torczon, Appendix A. Strategy 1. Simple bottom-up tree-walk on AST 2. Translation uses only local info: current AST node + chi...
Though there are many strategies to control single-phase uninterruptible power supply (UPS) inverters, they suffer from some drawbacks, the main being complexity. This paper proposes a simple dual-loop controller for the single-phase UPS inverter with the LC filter. The suggested control scheme uses the capacitor current as the feedback signal in the inner current loop. No fictitious phase gene...
We address the problem of improving the scene cut quality in fixed bit-rate real-time video decoding such as is used in the H.263 and MPEG standards. In low bandwidth applications, scene cuts can cause the bits required to encode a single frame to greatly exceed the target average bits per frame, and necessitate the skipping of other frames to provide sufficient time to transmit the scene cut f...
This article aims, within the constructionist paradigm, at integrating culture into the framing process. Four characteristics are important for this approach: the distinction between the event, the media content, and the frame; the explicit attention to the reconstruction of frame packages; the relationship between frame packages and cultural phenomena; and the interaction between frame sponsor...
in this paper we get some results and applications for duals and approximate duals of g-frames in hilbert spaces. in particular, we consider the stability of duals and approximate duals under bounded operators and we study duals and approximate duals of g-frames in the direct sum of hilbert spaces. we also obtain some results for perturbations of approximate duals.
in this paper, g-dual function-valued frames in l2(0;1) are in-troduced. we can achieve more reconstruction formulas to ob-tain signals in l2(0;1) by applying g-dual function-valued framesin l2(0;1).
Hilbert frames theory have been extended to frames in Hilbert $C^*$-modules. The paper introduces equivalent $*$-frames and presents ordinary duals of a constructed $*$-frame by an adjointable and invertible operator. Also, some necessary and sufficient conditions are studied such that $*$-frames and ordinary duals or operator duals of another $*$-frames are equivalent under these conditions. W...
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