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Nurul Fitriyani
Sekolah Farmasi ITB, Jl. Ganesha 10. Bandung – 40132
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PENERAPAN METODE WAVELET THRESHOLDING UNTUK MENGAPROKSIMASI FUNGSI NONLINIER Janariah, Muhammad Luthfie; Bahri, Syamsul; Fitriyani, Nurul
Indonesian Physical Review Vol. 4 No. 3 (2021)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v4i3.98

Abstract

The wavelet thresholding method is an approximation method by reducing noise, which is known as the denoising process. This denoising process will remove noise while closed the important information in the data. In this research, the wavelet thresholding method is used to approximate the nonlinear function. The data used for the simulation is a representation of several functions that represent several events that often occur in the real world, which consists of the types of functions Blocks, Bumps, Doppler, and HeaviSine.  Based on simulation results based on the indicator value of the Cross-Validation (CV), the best approximation of the nonlinear function using the wavelet thresholding method for the four simulation cases are: (i) the Blocks function is given by Haar wavelet with a soft of thresholding function and the 10-th resolution level ; (ii) the Doppler function is given on the 2-nd order of Symlets wavelet with a soft of thresholding function and the 10-th resolution level; (iii) the Bumps function is given on the 6-th order of Daubechies wavelet with a soft of thresholding function and the 10-th resolution level; and (iv) the HeaviSine function is given by the 3-rd order of Coiflet wavelet with a soft of thresholding function and the 7-th resolution level.
Optimalisasi Search Engine Optimization untuk Peningkatan Bisnis Frozen Food PT OSB Setyawati, Diyah Pertywi; Fitriyani, Nurul; Devi, Baisati Mariam; Siroj, Sayyid Agil; Zebua, Sukriyadin; Herlina, Andiani; Taufiqurrahman, Muhammad; Putra, Bihmuyidin Colisna; Saputra, Heri; Mariam, Iis
Jurnal Pengabdian Masyarakat (ABDIRA) Vol 5, No 4 (2025): Abdira, Oktober
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/abdira.v5i4.1150

Abstract

This community service was conducted through Field Experience Practice (PPL) at PT. Optimis Sejahtera Bersama (OSB) with the aim of analyzing and implementing Search Engine Optimization (SEO) strategies to increase the visibility of the frozen food product business. The background of this activity was the company's suboptimal utilization of the digital market. The method used was Participatory Action Research (PAR) with direct practice on On-Page SEO optimization, such as keyword research, writing SEO-friendly content, and internal linking. The results showed that consistent application of SEO on content quality and website structure can improve rankings in search engines. However, there are still obstacles such as fierce competition, changes in Google algorithms, and poor User Experience (UX). This activity recommends periodic SEO audits and ongoing strategy adjustments so that PT. OSB can increase competitiveness, attract organic traffic, and achieve sustainable digital business growth.
Co-Authors Agustiana, Mika Arizal, Mulyasrihuda Asrirawan, Asrirawan Azzahra, Fariha Bagus Cahyo Shah Adhi Pradana Desy Komalasari Devi, Baisati Mariam Dewi Novitasari Fitriani Gustini, Leili Kurnia Hairunnisa Hairunnisa Harsyiah, Lisa Herlina, Andiani Iffani Khoirunisa, Nur Iis Mariam Janariah, Muhammad Luthfie Lufianti, Anita Muhammad Taufiqurrahman, Muhammad Musfita, Nurul Mustika Hadijati Nirwana, Nirwana Nur Azizah Nur Widayati, Christina Palupi, Merry Fridha Tri Prameswari, Dita Prasetyo, Dio Puspita Rini, Dea Putra, Bihmuyidin Colisna Ragil Kusumaningrum, Yesita Rahayu, Indah Rahmawati Rediana Setiyani, Rediana Rizaldi, Muhammad Sadono, Teguh Priyo Saputra, Heri Seppewali, Andi Setiawana, Ena Setyawati, Diyah Pertywi Siroj, Sayyid Agil Sodiq, Sodiq Syamsul Bahri Toyyibah, Muslimatun Unggul Widodo, Wahyu Usman, Siti Dwi Khairun Rahmatin Yulia mustika, Rika Yuwanti Zebua, Sukriyadin Zulhan Widya Baskara