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All Journal Jurnal Surya Informatika Journal of Experimental and Applied Physics
Yosi, Yosi
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Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Materials Science & Nanotechnology Physics

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Development of Proximity Sensor-Based Mathematical Pendulum Experiment Modeling Tool for Video Tracker Analysis Yosi, Yosi; Asrizal, Asrizal
Journal of Experimental and Applied Physics Vol 3 No 2 (2025): July Edition
Publisher : Department of Physics, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jeap.v3i2.104

Abstract

Physics has an important role in the development of science and technology today. One of the interesting motion phenomena in physics is simple harmonic motion on a mathematical pendulum. Physical phenomena can be observed through experiments using research instruments. The observation shows that the data of the mathematical pendulum experiment is only limited to the oscillation time and the number of swings. In addition, the instruments used are still manual. One solution to overcome these problems is to use a proximity sensor-based mathematical pendulum experiment modeling tool and video analysis using a tracker. The purpose of this research is to determine the accuracy and precision of the mathematical pendulum modeling tool experiment, knowing the effect of changes in rope length on the period and frequency of the mathematical pendulum modeling tool. This research is a type of design and development research (Research and Development). Data collection was carried out with two events, namely direct and indirect measurements. Direct measurements are made by varying the length of the rope on the mathematical pendulum experiment modeling tool. Indirect measurements are made to determine the accuracy and precision of the proximity sensor-based mathematical pendulum modeling tool. The results of the data analysis obtained are displayed in the form of tables and graphs. Based on the data analysis, three research results can be stated. First, video analysis using a tracker obtained a sinusoidal graph. Second, the average accuracy and precision of the modeling tool are period 99.50% and 96.66%, frequency 99.68% and 96.47%, and acceleration of gravity 99.20% and 95.50%. Third, the longer the rope used, the greater the period obtained, which is inversely proportional to the smaller frequency.
SISTEM PENDAFTARAN IKLAN RADIO PADA DE BEST RADIO PEMALANG BERBASIS WEB Wicaksono, Titis Aji; Yosi, Yosi
Jurnal Surya Informatika Vol. 4 No. 1 (2017): Jurnal Surya Informatika, Vol . 4, No. 1, Mei 2017
Publisher : Universitas Muhammadiyah Pekajangan Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.48144/suryainformatika.v4i1.323

Abstract

Advertising promotion means or means of communication to convey the message producers to consumers. Advertising is a commercial and nonpersonal communication about an organization and its products are transmitted to a target audience through the mass media such as television, radio, newspapers, magazines, direct mail (direct mailing), outdoor billboards, or public transport. Advertising is very important for De Best Radio Pemalang, because its main source of revenue is advertising. Currently the process of advertising in De Best Radio Pemalang still not optimal, since the marketing of advertising bid directly by visiting the company. In addition, the amount of marketing power that only amounted to one person also complicate De Best Radio Pemalang to obtain a national advertising. The expected outcome of this research is to produce a system of web-based radio advertising so that the advertisement data processing and report generation easier, fast and accurate. Keywords: advertising, De Best Radio Pemalang ABSTRAKSI Iklan artinya promosi atau sarana komunikasi yang menyampaikan pesan produsen kepada konsumen. Periklanan adalah komunikasi komersil dan nonpersonaltentang sebuah organisasi dan produk-produknya yang ditransmisikan ke suatu khalayak target melalui media bersifat massal seperti televisi, radio, koran, majalah, direct mail (pengeposan langsung), reklame luar ruang, atau kendaraan umum. Iklan sangat penting di De Best Radio Pemalang, karena sumber pendapatan utamanya adalah iklan. Saat ini proses pemasangan iklan di De Best Radio Pemalang masih belum optimal, karena pihak pemasaran melakukan penawaran iklan dengan cara mendatangi langsung perusahaan. Selain itu, jumlah tenaga Pemasaran yang hanya berjumlah satu orang juga menyulitkan De Best Radio Pemalang untuk mendapatkan iklan yang bersifat nasional. Hasil yang diharapkan dari penelitian ini adalah menghasilkan sistem pemasangan iklan radio berbasis web sehingga dalam pengolahan data iklan dan pembuatan laporan menjadi lebih mudah, cepat dan akurat. Kata kunci : iklan, De Best Radio Pemalang
Co-Authors Asrizal Wicaksono, Titis Aji