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PENGARUH FREQUENCY SELECTIVITY PADA SINGLE CARRIER FREQUENCY DIVISION MULTIPLE ACCESS (SC-FDMA) Purnomowati, Endah Budi; Yuwono, Rudy; Rahma, Muthia
SISTEM Jurnal Ilmu Ilmu Teknik Vol 13 No 1 (2017)
Publisher : Fakultas Teknik Universitas Wisnuwardhana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (554.692 KB)

Abstract

Single Carrier Frequency Division Multiple Access (SC-FDMA) merupakan bentuk modifikasi dari pendahulunya yaitu Orthogonal Frequency Division Multiple Access (OFDMA). Selektivitas frekuensi adalah kemampuan penerima untuk membedakan sumber-sumber sinyal yang dirancang untuk beroperasi pada frekuensi yang berbeda dan dalam rentang panjang gelombang tertentu. Analisis yang dilakukan adalah seberapa besar pengaruh selektivitas frekuensi terhadap penginterferensi pada Single Carrier Frequency Division Multiple Access (SC-FDMA). Semakin besar interferensi, maka performansi sistem akan semakin lemah
Studi literatur: Penerapan Metode Role Playing untuk Meningkatkan Hasil Belajar Peserta Didik Pada Materi Sistem Pencernaan Salsabila, Nesa; Rangkuty, Sailana Mira; Rahma, Muthia; Harahap, Resi Susanti; Wijaya, Ramadhona; Hermaliana, Nadia
Jurnal Educazione : Jurnal Pendidikan, Pembelajaran dan Bimbingan dan konseling Vol. 13 No. 1 (2025): Mei
Publisher : FKIP Universitas Islam Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56013/edu.v13i1.3959

Abstract

The Role Playing method is an innovative learning approach designed to encourage active participation of learners during teaching and learning activities. This research is a literature study that analyzes various previous studies on the effectiveness of the Role Playing method in an effort to optimize the learning outcomes of students in the topic of the digestive system. The method used in this research is the literature study method, where data is collected through reference searches using Google Scholar. This research involved primary sources, such as research results, research reports and scientific articles, as well as supporting sources to complement the information. This study showed an increase in the average learning outcomes of students increased by around 80-90%. Thus, it was concluded that, especially in the digestive system material. Based on the results of the literature review, the Role Playing method is proven to be an effective teaching strategy in improving students' understanding of digestive system material. This method provides opportunities for learners to play an active role by acting out various parts of the digestive system, so that they can understand concepts more deeply through direct experience.
IMPLEMENTASI PENDEKATAN NEUROSAINS KOGNITIF DENGAN KONSEP JOYFUL LEARNING UNTUK MENINGKATKAN KEMAMPUAN LITERASI PADA SISWA KELAS V SEKOLAH DASAR Dermawan Samosir, Elwin; Halimatusakkdiah; Abda’u Ansya, Yusron; Kibah Mandasari, Nur; Utami Humaira, Najwa; Rahma, Muthia
JS (JURNAL SEKOLAH) Vol. 10 No. 1 (2025): DESEMBER 2025
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/js.v10i1.71714

Abstract

Abstract: The purpose of this study was to improve students' literacy skills through the application of a cognitive neuroscience approach with the concept of joyful learning in class V of UPT SDN 106813 Amplas. The method used was Classroom Action Research (CAR) with two cycles, each consisting of planning, action, observation, evaluation, and reflection stages. The location of this study was at UPT SDN 106813 Amplas, with the subjects of the study being 30 fifth grade students who had difficulties in literacy skills. The results showed that in the first cycle, 65% of students managed to achieve scores above the Learning Objective Achievement Criteria (KKTP ≥70), with teacher activity reaching 78% and students reaching 70%. In the second cycle, after improving the learning strategy, 80% of students managed to achieve scores above the KKTP, with teacher activity reaching 90% and students increasing to 85%. The conclusion of this study is that the application of a cognitive neuroscience approach with the concept of joyful learning can improve students' literacy skills and their involvement in learning, so it is effective to be implemented in elementary schools. Keyword: Cognitive Neuroscience, Joyful Learning, Literacy, Elementary School Abstrak: Tujuan penelitian ini adalah untuk meningkatkan kemampuan literasi siswa melalui penerapan pendekatan neurosains kognitif dengan konsep joyful learning di kelas V UPT SDN 106813 Amplas. Metode yang digunakan adalah Penelitian Tindakan Kelas (PTK) dengan dua siklus, yang masing-masing terdiri dari tahap perencanaan, tindakan, observasi, evaluasi, dan refleksi. Lokasi penelitian ini adalah di UPT SDN 106813 Amplas, dengan subjek penelitian adalah 30 siswa kelas V yang mengalami kesulitan dalam kemampuan literasi. Hasil penelitian menunjukkan bahwa pada siklus pertama, 65% siswa berhasil mencapai nilai di atas Kriteria Ketercapaian Tujuan Pembelajaran (KKTP ≥70), dengan aktivitas guru mencapai 78% dan siswa mencapai 70%. Pada siklus kedua, setelah perbaikan strategi pembelajaran, 80% siswa berhasil mencapai nilai di atas KKTP, dengan aktivitas guru mencapai 90% dan siswa meningkat menjadi 85%. Kesimpulan dari penelitian ini adalah bahwa penerapan pendekatan neurosains kognitif dengan konsep joyful learning dapat meningkatkan kemampuan literasi siswa dan keterlibatan mereka dalam pembelajaran, sehingga efektif untuk diterapkan di sekolah dasar. Kata Kunci: Neurosain Kognitif, Joyful Learning, Literasi, Sekolah Dasar