In this letter, we address the problem of waveform optimization for multi-input multioutput (MIMO) space-time adaptive processing (STAP) in the presence of colored Gaussian disturbance. A novel diagonal loading (DL) based method is proposed to optimize the waveform covariance matrix (WCM) for maximizing the output signalinterference-noise ratio (SINR) of MIMO-STAP such that the detection perfor...

We report here on a series of tricyanovinylaniline chromophores for use as dopants in poled poly(methyl methacrylate)waveguides for anomalous dispersion phase-matched second harmonic generation. Second harmonic generation measurements as a function of mode index confirmed anomalous dispersion phase-matching efficiencies as large as 245%/Wcm over a propagation length of about 35 μm. The waveguid...

In this study, we analyze the efficiency of working capital management (WCME) for Gulf companies before and during coronavirus crisis, then explore influence crisis on WCME. This study uses several techniques to achieve its goals, including Malmquist index (MI), data envelopment analysis (DEA), Tobit regression. The results demonstrate that most firms (approximately 84%) adopt a conservative st...

In this article, seven filter algorithms were compared. The Lee sigma method was more suitable for estimating soil moisture (SM) than the other filtering methods under different land cover types. First, we used a combination of roughness and dual-polarized Sentinel-1A backscattering coefficients (VV VH) to estimate SM in bare areas. Second, employed water cloud model (WCM) remove influence vege...

A great effort has been made to quantify the detrimental effect of voids on CFRP, nevertheless, impact properties barely studied and when it considered, always for prepeg materials under low energies (< 6 J). This work focuses quantification NCF plates manufactured by LCM. For this purpose, biaxial (0/90) NCF-Epoxy laminates with different void contents were tested drop weight method. Four LCM ...

Although vegetation community information such as grazing gradient, biomass, and density have been well characterized in typical grassland communities with Stipa grandis Leymus chinensis dominant species, their impact on the soil moisture (SM) inversion is still unclear. This study investigated characteristics of a at different gradients growing seasons its SM using remote sensing data. The wat...

Extant empirical studies have predominantly focused on the nexus between working capital management (WCM) and corporate profitability. While there is a dearth of literature WCM firm’s risk, present study examines Pakistani-listed firms coming from 12 diverse industrial segments to observe this association for time span ten years (2005–2014). To ensure robustness, we employed System Generalized ...

We investigated the possibilities of improving hydrological simulations by assimilating radar backscatter observations from advanced scatterometer (ASCAT) in model SCHEME using a calibrated water cloud (WCM) as an observation operator. The WCM simulates based on soil moisture and vegetation data can therefore be used to generate predictions for assimilation. study was conducted over two Belgian...

The aim/purpose of this scientific inquiry is to empirically examine the impact working capital management (WCM) [cash conversion cycle (CCC), number days inventory (INV), account receivable (AR), payable (AP)] and control variables [sales growth (GROW), size (SIZE), leverage (LEV), current ratio (CR) fixed financial assets total (FFA)] on firm performance (FP) [ROA, Tobin’s Q (TQ)] in context ...