نتایج جستجو برای: gsc controller
تعداد نتایج: 64521 فیلتر نتایج به سال:
In this paper, symbol error probability (SEP) for generalized selection combining (GSC) reception of M-ary quadrature amplitude modulation (M-QAM) signals in a block frequency-flat Rayleigh fading channel is considered. The paper presents a closed-form approximate SEP expression for GSC reception of M-QAM signals in the fading channel. The SEP expression is explicit and simulation results valid...
The transfer function-generalized sidelobe canceller (TF-GSC) is one of the most popular structures for adaptive beamformer used in multi-channel speech enhancement. Although TF-GSC has shown decent performance, a certain amount steering error inevitable, which causes leakage components through blocking matrix (BM) and distortion fixed (FBF) output. In this paper, we propose to suppress leaked ...
Cost-effective CO2 capture and storage (CCS) is critical for the rapid global decarbonization effort recommended by climate science. The increase in levelized cost of electricity (LCOE) plants with CCS primarily associated to large energy penalty involved capture. This study therefore evaluates three high-efficiency concepts based on integrated gasification combined cycles (IGCC): (1) gas switc...
There are several factors that drive organizations to consider implementing green supply chain (GSC) initiatives. This paper refines an instrument to empirically test the significance of the following drivers for participation in GSC initiatives: Government Regulation, Buyer/Supply Chain Influence, Internal Readiness, Competitive Advantage, and Corporate Social Responsibility. Corporate Social ...
Glioblastoma (GBM) stem-like cells (GSCs) represent the most undifferentiated state of malignant cells with distinct biological characteristics. The fraction of these cells within a glial brain tumor, ranging from 2–30%, is correlating with the increasingWHOstage andpoor prognosis of patients' survival. GSCs represent the least vulnerable, thusmost preferential target cell population tobeexpose...
Epidermal growth factor receptor variant III (EGFRvIII) has been associated with glioma stemness, but the direct molecular mechanism linking the two is largely unknown. Here, we show that EGFRvIII induces the expression and secretion of pigment epithelium-derived factor (PEDF) via activation of signal transducer and activator of transcription 3 (STAT3), thereby promoting self-renewal and tumor ...
In adult Drosophila testis, asymmetric division of germline stem cells (GSCs) is specified by an oriented spindle and cortically localized adenomatous coli tumor suppressor homolog 2 (Apc2). However, the molecular mechanism underlying these events remains unclear. Here we identified Megator (Mtor), a nuclear matrix protein, which regulates GSC maintenance and asymmetric division through the spi...
Adult stem cells continuously undergo self-renewal and generate differentiated cells. In the Drosophila ovary, two separate niches control germ line stem cell (GSC) self-renewal and differentiation processes. Compared to the self-renewing niche, relatively little is known about the maintenance and function of the differentiation niche. In this study, we show that the cellular redox state regula...
Glioblastoma (GBM) are aggressive and therapy-resistant brain tumours driven by glioma stem-like cells (GSCs). GSC behaviour is controlled by the microenvironment, or niche, in which the cells reside. It is well-established that the vasculature is a key component of the GSC niche, which drives maintenance in the tumour bulk and invasion at the margin. Emerging evidence now indicates that the sp...
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