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All Journal YASIN: Jurnal Pendidikan dan Sosial Budaya ALSYS : Jurnal Keislaman dan Ilmu Pendidikan
Izza Eka Ningrum
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Analisis Percobaan Superposisi Gelombang Suara Menggunakan Software Audacity Aris Widodo; Muktamar Cholifah Aisiyah; Izza Eka Ningrum; Muhamad Azwar Annas; Masria Musfiana
YASIN Vol 2 No 4 (2022): YASIN: Jurnal Pendidikan dan Sosial Budaya
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1042.211 KB) | DOI: 10.58578/yasin.v2i4.499

Abstract

Superposition of waves experiment in physics subject need more innovation to dig up student knowledge about the essential of waves in physics. Such innovation is using Audacity software for analyze it. The purpose of this study is to analyze the superposition of sound waves using Audacity software in the wave superposition experiment. The method used is to prepare tools and materials, namely PC/laptop, 250 Hz, 1 kHz audio files and Audacity Software. Then, 250 Hz and 1 kHz audio is sampled in one wave using Audacity after which each audio sample is imported twice and then combined with Audacity software and saved. This is done for different audio frequencies as well. Then, the results of the merger are opened with Audacity and then analyzed and compared with the initial wave. And the resulting superposition of two 250 Hz waves produces an amplitude of twice and 250 Hz and 1 KHz is produced over a 4 ms wave period and the constructive and destructive wave amplitudes depend on the phase of the two waves. Thus, wave superposition experiments using Audacity software facilitate the analysis of superposition results and characterize the period and amplitude properties of waves.
Pola Radiasi Antena Patch dalam Skala Linier Muhamad Azwar Annas; Aris Widodo; Uswatun Chasanah; Muktamar Cholifah Aisiyah; Izza Eka Ningrum
YASIN Vol 2 No 5 (2022): YASIN: Jurnal Pendidikan dan Sosial Budaya
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/yasin.v2i5.895

Abstract

An antenna radiation pattern experiment has been carried out with the aim of determining the patch antenna radiation pattern on a logarithmic and linear scale, understanding the properties and principles of the antenna, and understanding the types of antenna radiation patterns. In the experiment, the angle, frequency, and radian intensity data were obtained, and the value of the linear intensity was calculated. With the principle of converting electrical signals into electromagnetic signals. a graph between angle and intensity is obtained. the graph between radian intensity and angle forms a circular pattern, in which the value of intensity and frequency at each point with a difference of 5 degrees has almost the same value. In conclusion, the antenna is a structure that can receive and release electromagnetic waves in the air. The patch antenna used has a unidirectional radiation pattern. Converts electromagnetic signals into electrical signals and vice versa, has a certain radiation pattern, and is easily disturbed by metallic materials.
Analisis Kebutuhan Model Pembelajaran Kooperatif pada Pembelajaran Matematika Izza Eka Ningrum
ALSYS Vol 2 No 3 (2022): ALSYS: Jurnal Keislaman dan Ilmu Pendidikan
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (352.618 KB) | DOI: 10.58578/alsys.v2i3.503

Abstract

The learning model used so far is still less effective, which is one of the reasons for the low learning outcomes of mathematics in students. This study aims to analyze the needs of the learning model on students' mathematics learning outcomes. This research is a qualitative research with qualitative description research type. The research subjects were students of class VIII Junior High School. The research data were collected by means of interviews and observations. The results of this study indicate that: (1) the teacher has not been precise in choosing the learning model (2) students have not been actively involved in learning in class (3) students still do not dare to ask if they have difficulties so that the learning process is not effective (4) students in the teaching and learning process only listen, take notes, do what the teacher tells them to do and do not dare to ask for difficulties in understanding the material. Therefore, it is necessary to decide the right learning model in the teaching and learning process of mathematics in order to make it easier for students to accept the material presented.
Co-Authors Aris Widodo Masria Musfiana MUHAMAD AZWAR ANNAS Muktamar Cholifah Aisiyah Uswatun Chasanah