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All Journal Jambura Journal of Mathematics International Journal of Research in Community Services Operations Research: International Conference Series International Journal of Global Operations Research International Journal of Quantitative Research and Modeling Jurnal Inkofar International Journal of Ethno-Sciences and Education Research Coreid Journal International Journal of Humanities, Law, and Politics International Journal of Health, Medicine, and Sports International Journal of Linguistics, Communication, and Broadcasting
Yuningsih, Siti Hadiaty
Department Of Mathematics, Faculty Of Mathematics And Natural Sciences, National University Of The Republic Of Indonesia, Bandung, Indonesia
Religion Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Transportation Other

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Journal : International Journal of Quantitative Research and Modeling

 1 
Wireless Chaos-Based Communication System: Literature Review Siti Hadiaty Yuningsih; Sudradjat Supian; Sukono Sukono; Subiyanto Subiyanto
International Journal of Quantitative Research and Modeling Vol 2, No 1 (2021)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (340.253 KB) | DOI: 10.46336/ijqrm.v2i1.128

Abstract

Since the early 1990s, a slew of chaotic-based communication systems have been proposed, all of which take advantage of chaotic waveform properties. The inspiration stems from the substantial benefits that this form of nonlinear signal offers. Many communication schemes and applications have been specifically designed for chaos-based communication systems to achieve this goal, with energy, data rate, and synchronization awareness being taken into account in most designs. However, non-coherent chaos-based systems have recently received a lot of attention in order to take advantage of the benefits of chaotic signals and non-coherent detection while avoiding the use of chaotic synchronization, which has poor performance in the presence of additive noise. This paper provides a thorough examination of all wireless radio frequency chaos-based communication systems. It begins by describing the difficulties of chaos implementations and synchronization processes, then moves on to a thorough literature review and study of chaos-based coherent techniques and their applications.
Model for Determining Earth's Gravitational Acceleration on a Mathematical Pendulum Azahra, Astrid Sulistya; Yuningsih, Siti Hadiaty; Kalfin, Kalfin
International Journal of Quantitative Research and Modeling Vol 5, No 3 (2024)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v5i3.760

Abstract

Gravity is an accelerating property of the earth that causes objects to fall freely. The acceleration of gravity is not the same at every place on the Earth's surface. To measure the Earth's gravity (small g), scientists can use various techniques, such as dropping a mass from a certain height and measuring the time it takes to fall to the ground or using a mathematical pendulum to measure the period of oscillation and use it to calculate the acceleration due to gravity. In this paper, a study of the mathematical pendulum in the measurement of the Earth's gravitational acceleration is conducted, and the measurement experiment is illustrated. Method To measure the length of the pendulum, you must have a ruler, meter stick, or tape measure. At the top end of the string, start the measurement at the point where the string rotates out of place. Then, measure up to the center of the pendulum, which is the object hanging on the string. From the results of this study, it can be concluded that the value of the period of a pendulum is affected by several factors, including the length of the rope used and the angle of initial deviation, while the factors that do not affect the period are the mass and diameter of the pendulum.
Co-Authors , Kalfin Abdul Gazir Syarifudin Abdul Hali, Nurfadhlina Agung Prabowo Amelia, Rika Aris Setiawan Azahra, Astrid Sulistya binti Abdullah Suhaimi, Nurnisaa Chayandri, Rini Chun Wang Endang Rusyaman Hadikaryana, Oscar Halim, Nurfadhlina Abdul Hidayana, Rizki Apriva Hòe Nguyễn Đình Ibrahim, Riza Ibrahim, Riza Andrian Ilham Ali Ismail, Muhammad Iqbal Al-Banna Jaizul, Alim Josua, Lancelot Julsen kalfin Kalfin Khoerunisa, Ahshonat Khoerunnisa, Ahshonat Lianingsih, Nestia Nenden Siti Nurkholipah, Nenden Siti Nur Jamiludin R Nurfadhlina Abdul Hali Nurnisaa binti Abdullah Suhaimi Pangestu, Tegar Dwi Pirdaus, Dede Irman Prawiro, Meivin Mulyo Ridwan, Ridwan Rina Mardiati, Rina Rini Cahyandari Saputra, Jumadil Setiawan, Aan Eko Subiyanto Subiyanto Sudradjat Supian Suhaimi, Nurnisaa binti Abdullah Suharto, Istiqomah Sukono Sukono Sulistya A, Astrid Sulistya Azahra, Astrid Surya, Dhika Suryaman Vaidyanatahan, Sundarapandian Vimelia, Willen Yohandoko, Setyo Luthfi Zakaria, Kiki