In recent years, photonic crystal fiber (PCF) in the THz regime has gained popularity very swiftly for wave guidance and sensing applications. The optical properties of PCF can be controlled by fine tuning geometrical parameters. this context, geometry been developed propagation as well environmental pollutants proposed structure contains a circular manner sectored cladding square shaped core which is inserted four lattices. finite element method based COMSOL multiphysics v.5.3a software...

Low density lipoprotein (LDL) cholesterol is the leading cause of heart diseases, peripheral artery and stroke. An accurate, flexible, efficient detection process very urgent for identifying cholesterol. In this context, an octagonal shaped hollow core with eight head star cladding structured photonic crystal fiber (PCF) has been proposed in paper sensing liquid analytes (human blood, cocking oil, foods, etc.). The performances PCF are evaluated through COMSOL multiphysics software where...

While humans as a whole do live longer nowadays than ever before, we now suffer certain illnesses to degree never seen in the past - including rising rates of Diabetes, Hypertension, Hypotension, Cholesterol imbalance, obesity and, ailments such fever. People around world are preemptively seeking medical advices on how healthy lifestyle. They looking lower their risk various diseases. A healthcare chatbot can play significant role monitor person's health status. is computer program designed...

This paper explores the authorship attribution problem in modern Bengali literature. By scrutinizing writings of six Bangladeshi columnists current time using some established and modified stylometric features writing patterns these writers have been observed. With statistical analysis on a corpus containing around seven hundred articles most effective style markers that can create significant difference among authors were identified. Based classification model voting system developed to...

Supercapacitoris an electrochemical energy storage device with a high power and density.It acts as buffer or sources due to their density compared other charge storing devices.To improve the performance, reliability using this more conveniently lifetime is important feature.So in paper we analyze of supercapacitor depends on temperature voltage factor because supercapacitors mainly capacitor applied.Moreover prove validity analysis simulation results are presented.By it easier select many...

In this article a hexagonal core structured photonic crystal fiber (PCF) is demonstrated for Terahertz (THz) wave propagation where the cladding suspended by number of rectangles. The geometrical design and guiding properties characterization are done Finite Element Method (FEM) based comsol multiphysics software v.5.3a. numerical outcomes proposed geometry exhibits an impressive performance in effective material loss (EML) reduction with value 0.01557cm <sup...

The objective of this study is to present the architecture and laboratory experimentation an Internet-based communication platform enable residential demand response (DR) programmes that do not rely on advanced metering infrastructure (smart meters). Technologies software serve as building blocks for proposed platform, together with messaging based open automated DR protocol, are discussed. Security features necessary secure implementation a sector also presented. has been implemented in...

To utilize the renewable energy sources efficiently, inverter is a fundamental device. A large amount of power lost due to switching and harmonic effect. So accumulate increase efficiency inverter, an optimum point should be determined which will reduce loss The aim this paper ascertain condition. This studies about four basic types pulse width modulation (PWM) techniques using MATLAB/Simulink software. These help harmonics component hence total distortion (THD) minimized. we have studied...

A porous core terahertz (THz) waveguide consists of sectored cladding and square photonic crystal fiber (PCF) is designed with low losses flattened dispersion. The mode test others wave guiding properties are evaluated by using finite element method (FEM) a perfectly matched layer (PML) as boundary condition. To investigate the numerical values electric field distribution, comsol multiphysics software v.5.3a used. result proposed PCF structure shows single characteristics besides it renders...

Conventional models for the Current-voltage characteristics of solar cells use numerical approach owing to inherent mathematical intractability. Although estimate almost accurate results, computational cost and time needed these is huge. These also lack physical insight. An analytical model is, therefore, necessary resolve issues. Based on concept perturbation theory, an has been proposed in this work deduce current-voltage CdS/CdTe thin-film having lightly doped absorber layer. The needs no...

This paper proposes a web-based architecture to enable information retrieval and appliance management for Home Energy Management (HEM) system. With the proposed architecture, homeowners can monitor their basic energy usage information, perform necessary based on pre-defined load priority, preferences, comfort settings. The is designed Standard Usage Information (PAP10), which ensures interoperability among smart grid equipment. It also with comprehensive security measures. expected that...

Alcoholic agent is excessively harmful for humans. Considering the level of harmfulness, an efficient and flexible alcohol detection method very essential. In this context, a hollow core photonic crystal fiber (HC-PCF) based optical sensor designed detecting in beverages as well any liquid samples, which constructed with slotted air holes cladding section square core. The presented PCF structure yields extremely high sensitivity 89.85% ultra-low confinement loss 10 <sup...

Email is one of the most imperative communication mechanisms 21st century. People around world send billions emails every single day which makes people prone to threats. Spam can be used for stealing things from our electric devices, blackmailing and phishing. Moreover, we receive several unwanted such as advertisements offers e-commerce websites. Due these emails, sometimes miss important emails. There are approaches available detecting spam in English language other languages. However,...

In this paper, an extensive effort has been made to design and develop a prototype in laboratory setup environment order investigate experimentally the response of novel Supercapacitor based energy harvesting circuit; particularly phenomena instantaneous charging discharging cycle is analysed. To maximize battery lifespan storage capacity, charging/discharging cycles need be optimized such way, it ultimately enhances system performances reliably. Keeping into focus, Arduino-MOSFET control...

PCF is the ideal medium for guiding THz wave because PCF's has surprising light properties with low material loss characteristics but proper design of main issue to achieve minimum loss. In this article, we proposed a waveguide extremely EML, which 0.016 $cm^{-1}$ at ITHz and 0.013c $m^{-1}$ 0.8 THz, also gives an average core power fraction near about 40%, when considered porosity 81%. Moreover, observed change effective area different frequencies. Here analyze value Core Power Fraction...

In this paper, a hollow core photonic crystal fiber (PCF)-based THz chemicals sensor has been presented. Hexagonal shaped and symmetrical hexagonal air lattices have used in the cladding section to construct PCF geometry. The developed PCF-based chemical yields high performance ethanol, methanol, water benzene detection targeted liquid samples regime, which is nearly 99% at 3 THz. Additionally, it reveals very negligible losses both polarization modes. addition, renders significant...

In this paper, we investigate the bit error rate (BER) performance of a concatenated low density parity check (LDPC) encoded orthogonal frequency-division multiplexing (OFDM) system on color image transmission. FEC channel coding, OFDM wireless communication incorporates 1/2-rated convolution encoder under various digital modulations (QPSK, 8PSK, QAM, 8QAM, 16QAM and 32QAM) over an additative white gaussian noise (AWGN) other fading (Raleigh Rician) channels. Computer simulation results BER...