نتایج جستجو برای: optical retarder
تعداد نتایج: 267020 فیلتر نتایج به سال:
Links between the pond and surrounding land for horticulture is a distinctive feature of farming households in Bangladesh. It was hypothesised that the role of fishponds in integrated aquaculture systems has potential towards improving livelihoods and poverty alleviation. Rural and peri-urban settlements in Mymensingh District, Bangladesh were selected for assessing the importance and role of p...
Constraint-based Bayesian network (BN) structure learning algorithms typically control the False Positive Rate (FPR) of their skeleton identification phase. The False Discovery Rate (FDR), however, may be of greater interest and methods for its utilization by these algorithms have been recently devised. We present a unified approach to BN skeleton identification FDR estimation and control and e...
This paper investigates the following problem: how to find a GSMem malicious activity effectively. To this end, this paper puts forward a new method based on Artificial Intelligence (AI). At first, we use a large quantity of data in terms of frequencies and amplitudes of some electromagnetic waves to train our models. And then, we input a given frequency and amplitude into the obtained models, ...
A tilted bilayer membrane, which consists of two thin films of transparent optically isotropic materials of different refractive indices, can function as a transmission quarter-wave retarder (QWR) at a high angle of incidence. A specific design using a cryolite-Si membrane in the infrared is presented, and its tolerances to small shifts of wavelength, incidence angle, and film thickness errors ...
This paper compares design approaches for achieving a headway control functionality for trucks and buses. The approaches considered are fuzzy logic [1], H∞ [2], and a strategy based on headway range and its derivative (range-rate) [3]. For heavy vehicles, the control unit has a number of nonlinearities to compensate for, including full accelerator saturation, engine characteristics, and a limit...
We analyze the question of existence of asymptotic cumulative probabilities for monadic second order deenable properties of nite algebras. We focus our attention on the directly representable varieties and on the variety of groups. We prove in a very strong way that some recently proven rst-order 0{1 laws and limit laws for these varieties cannot be extended to monadic second order logic. Namel...
One major problem of the agro –industries in Nigeria is management its wastes generated from processes. These can be converted to useful products and are attractive for being an alternative solving disposal issues industry. This study assessed synthesis lignosulfonates Oil Palm Kernel Shells (OPKS) evaluated performance as a retarder additive oil well cementing operations. OPKS was synthesized ...
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