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The Effect of Digitalization on Business Performance in the MSME Industry Context Umar, Fadhil; Septian, M. Rivaldi Ali; Pertiwi, Dwika Ananda Agustina
Journal of Information System Exploration and Research Vol. 2 No. 1 (2024): January 2024
Publisher : shmpublisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52465/joiser.v2i1.199

Abstract

The current digital era is increasingly developing in the use of new technology that creates value for companies and offers benefits. Digitalization is useful for increasing competitive advantage to improve business performance. The purpose of this study is to find out whether digitalization affects business performance and to find out whether competitive advantage can mediate digitalization on business performance. The sample of this research is 115 SMEs in Semarang. data were analyzed using the SEM approach with the smartPLS tool. The results of the study show that the digitalization variable has an influence on business performance, furthermore, competitive advantage also has a positive and significant effect on business performance. The results of the indirect effect test also show that competitive advantage can mediate the relationship between digitalization and business performance. The better the implementation of digitalization, the higher the competitive advantage MSMEs, consequently leading to an increase the business performance.
Optimization System on Photoplethysmography (PPG) Signal using Analog and Digital Filters SEPTIAN, M. RIVALDI ALI; HARIMURTI, SUKSMANDHIRA; PRIHARTI, WAHMISARI; HIDAYAT, ISWAHYUDI; RAMDHANI, MOHAMAD
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 14, No 1: Published January 2026
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v14i1.121

Abstract

Photoplethysmography (PPG) adalah teknik non-invasif untuk memantau denyut jantung dan saturasi oksigen, namun rentan terhadap noise. Penelitian ini bertujuan mengoptimalkan kualitas sinyal PPG melalui desain dan implementasi sistem filter analog dan digital. Sistem terdiri dari sensor pulse dan Arduino Uno untuk akuisisi data, diikuti oleh rangkaian filter analog dan filter digital. Variasi nilai resistor gain dan kapasitor pada low pass filter rangkaian analog dianalisis untuk mendapatkan kinerja hasil terbaik. Hasil pengujian menunjukkan bahwa kombinasi filter analog dan digital berhasil meningkatkan Signal-to-Noise Ratio (SNR) dari 4.61 dB menjadi 19.57 dB. Denyut jantung dari sinyal yang telah dioptimasi mencapai 61.60 BPM yang di validasi dengan peak detection yang mampu mendeteksi peak dengan benar. selain itu, Baseline Wander Index (BWI) sebesar 0.18. Hasil penelitian membuktikan bahwa sistem optimasi menghasilkan sinyal PPG yang bersih dan akurat untuk aplikasi monitoring kesehatan