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Usability Laman Penerimaan Mahasiswa Baru UNNES Hardyanto, Wahyu; Adhi, Aryono; Purwinarko, Aji
Scientific Journal of Informatics Vol 3, No 1 (2016): May 2016
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/sji.v3i1.4611

Salah satu jalur penjaringan mahasiswa baru Universitas Negeri Semarang (UNNES) adalah melalui Seleksi Nasional Masuk Perguruan Tinggi Negeri (SNMPTN). Mekanisme seleksi melalui SNMPTN didesain dengan berbagai kemudahan karena berbasis laman yaitu melalui http://penerimaan.unnes.ac.id. Terdapat fenomena yang menarik terkait dengan kecenderungan jumlah pendaftar mahasiswa baru UNNES yang perlu diteliti menyangkut usability laman http://penerimaan.unnes.ac.id/. Hasil analisis data peminat SNMPTN dan SPMU UNNES selama lima periode terakhir terhadap jumlah mahasiswa yang diterima memperlihatkan jumlah penerimaan mahasiswa UNNES lebih besar berasal dari peminat SPMU dibandingkan dengan peminat SNMPTN. Hal tersebut menunjukkan usability laman http://penerimaan.unnes.ac.id/ optimal.Â

Usability Laman Penerimaan Mahasiswa Baru UNNES Hardyanto, Wahyu; Adhi, Aryono; Purwinarko, Aji
Scientific Journal of Informatics Vol 3, No 1 (2016): May 2016
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/sji.v3i1.4611

Salah satu jalur penjaringan mahasiswa baru Universitas Negeri Semarang (UNNES) adalah melalui Seleksi Nasional Masuk Perguruan Tinggi Negeri (SNMPTN). Mekanisme seleksi melalui SNMPTN didesain dengan berbagai kemudahan karena berbasis laman yaitu melalui http://penerimaan.unnes.ac.id. Terdapat fenomena yang menarik terkait dengan kecenderungan jumlah pendaftar mahasiswa baru UNNES yang perlu diteliti menyangkut usability laman http://penerimaan.unnes.ac.id/. Hasil analisis data peminat SNMPTN dan SPMU UNNES selama lima periode terakhir terhadap jumlah mahasiswa yang diterima memperlihatkan jumlah penerimaan mahasiswa UNNES lebih besar berasal dari peminat SPMU dibandingkan dengan peminat SNMPTN. Hal tersebut menunjukkan usability laman http://penerimaan.unnes.ac.id/ optimal.

GRAV3D Validation using Generalized Cross-Validation (GCV) Algorithm by Lower Bounds Approach for 3D Gravity Data Inversion Adhi, Mochamad Aryono; Wahyudi, Wahyudi; Suryanto, Wiwit; Sarkowi, Muh
Scientific Journal of Informatics Vol 5, No 2 (2018): November 2018
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/sji.v5i2.16736

The completion of gravitational data inversion results in a smooth recovered model. GRAV3D is one software that can be used to solve 3D inversion problems of gravity data. Nevertheless there are still fundamental problems related to how to ensure the validity of GRAV3D to be used in 3D inversion. One approach used is to use lower bounds as inversion parameters. In this study lower bounds are set from Â to . The results obtained show that the use of lower bounds decreases resulting in a larger data misfit which means that the more data that meets the tolerance calculation, the better recovered model produced.

Inverse Modeling Using Taylor Expansion Approach and Jacobi Matrix on Magnetic Data (Dyke/Magma Intrusion Cases) Suprianto, Agus; Wahyudi, Wahyudi; Suryanto, Wiwit; Setiawan, Ari; Adhi, Aryono; Priyantari, Nurul; Supriyadi, Supriyadi; Subekti, Agus
Scientific Journal of Informatics Vol 6, No 2 (2019): November 2019
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/sji.v6i2.19798

The mathematical modelling of geological structures, i.e. magma intrusion or dyke, has been done, based on magnetic data with inversion techniques using MatLab. The magnetic equation is a non-linear equation, and completion is done using a linear approach to non-linear mathematical models of magnetic data using the Taylor expansion approach and Jacobi Matrix. The first step of this research is to make synthetic data forward modelling from the magnetic equation of magma intrusion or dyke cases without errors, and the next stepping then add errors to the data. The next step is to do an inversion to get the parameters sought, i.e. depth and angle of the magma intrusion, by giving initial guesses, and then re-correct iteratively until convergent results are obtained. Finally, parameters of slope dyke or thin magma intrusion and its depth can be determined. The results obtained indicate that this technique can be used to get physical parameters sought from magnetic data for simple geological cases, i.e. dyke and magma intrusion.

Praksis Praktikum Fisika Mode Daring: Studi Kasus Pembelajaran di SMA/MA Jawa Tengah dan Jawa Timur Semasa Pandemi Covid-19 Noor, Yusmaniar Afifah; Putra, Ngurah Made Darma; Nugroho, Sunyoto Eko; Marwoto, Putut; Mindyarto, Budi Naini; Linuwih, Suharto; Adhi, Mochamad Aryono; Muttaqin, Rudhotul; Prayitno, Wasi Sakti Wiwit; Suyanto, Suyanto; Minhat, Minhat
UPEJ Unnes Physics Education Journal Vol 9 No 3 (2020)
Publisher : UPEJ Unnes Physics Education Journal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/upej.v9i3.45868

This study aims to describe teachers' perceptions of practicum in physics learning, the implementation and obstacles of implementing physics practicum in online learning during the Covid-19 pandemic in the even semester of the 2019/2020 academic year and the odd semester of the 2020/2021 academic year. The research method is descriptive quantitative. The instrument used was a google form questionnaire. Samples were taken using simple random sampling technique, obtained 50 SMA / MA physics teachers in Central Java and East Java. The results showed that all teachers have the same perception that the application of practicum in learning physics is important. However, during the online learning period the teachers rarely applied practicum. Some teachers even argue that they haven't thought about how to implement online practicum. More than 50% of teachers have tried to do practicum during online learning. The types of practicum used are various, ranging from virtual laboratories, simulations, video demonstrations and hands-on. The implementation of practicum in online learning experiences various obstacles, both hardware (practicum material tools, computers / notebooks, smartphones, networks) and software, namely practicum procedures that are not understood by students and students' activeness control mechanisms.

Usability Laman Penerimaan Mahasiswa Baru UNNES Hardyanto, Wahyu; Adhi, Aryono; Purwinarko, Aji
Scientific Journal of Informatics Vol 3, No 1 (2016): May 2016
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/sji.v3i1.4611

Salah satu jalur penjaringan mahasiswa baru Universitas Negeri Semarang (UNNES) adalah melalui Seleksi Nasional Masuk Perguruan Tinggi Negeri (SNMPTN). Mekanisme seleksi melalui SNMPTN didesain dengan berbagai kemudahan karena berbasis laman yaitu melalui http://penerimaan.unnes.ac.id. Terdapat fenomena yang menarik terkait dengan kecenderungan jumlah pendaftar mahasiswa baru UNNES yang perlu diteliti menyangkut usability laman http://penerimaan.unnes.ac.id/. Hasil analisis data peminat SNMPTN dan SPMU UNNES selama lima periode terakhir terhadap jumlah mahasiswa yang diterima memperlihatkan jumlah penerimaan mahasiswa UNNES lebih besar berasal dari peminat SPMU dibandingkan dengan peminat SNMPTN. Hal tersebut menunjukkan usability laman http://penerimaan.unnes.ac.id/ optimal.

GRAV3D Validation using Generalized Cross-Validation (GCV) Algorithm by Lower Bounds Approach for 3D Gravity Data Inversion Adhi, Mochamad Aryono; Wahyudi, Wahyudi; Suryanto, Wiwit; Sarkowi, Muh
Scientific Journal of Informatics Vol 5, No 2 (2018): November 2018
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/sji.v5i2.16736

The completion of gravitational data inversion results in a smooth recovered model. GRAV3D is one software that can be used to solve 3D inversion problems of gravity data. Nevertheless there are still fundamental problems related to how to ensure the validity of GRAV3D to be used in 3D inversion. One approach used is to use lower bounds as inversion parameters. In this study lower bounds are set from Â to . The results obtained show that the use of lower bounds decreases resulting in a larger data misfit which means that the more data that meets the tolerance calculation, the better recovered model produced.

Estimasi temperatur bawah permukaan reservoir Gunung Lumpur Bledug Kuwu (GLBK) Jawa Tengah menggunakan metode Geotermometri Aryono Adhi; Wahyudi Wahyudi; Wiwit Suryanto; Sismanto Sismanto; Agus Suprianto; Ellianawati Ellianawati
Jurnal Pendidikan Fisika dan Keilmuan (JPFK) Vol 5, No 1 (2019)
Publisher : UNIVERISTAS PGRI MADIUN

Studi literatur untuk mengestimasi temperature reservoir Gunung Lumpur Bledug Kuwu telah dilakukan menggunakan metode geotermometri larutan. Perhitungan temperature diperoleh dari hasil perhitungan empiris kandungan unsure-unsur kimia terlarut pada air panas Gunung Lumpur Bledug Kuwu. Kandungan unsure ini diperoleh dari hasil analisis sampel air panas dengan metode Atomic Absorption Spectrophotometer (AAS) yang dilakukan oleh Rizqiya 2014, berupa konsentrasi Na, K, Ca, Mg dan SiO2. Dari hasil perhitungan ini, estimasi temperature reservoir Bledug Kuwu berkisar antara 90.411 – 148.354 0C.

Inverse Modeling Using Taylor Expansion Approach and Jacobi Matrix on Magnetic Data (Dyke/Magma Intrusion Cases) Agus Suprianto; Wahyudi Wahyudi; Wiwit Suryanto; Ari Setiawan; Aryono Adhi; Nurul Priyantari; Supriyadi Supriyadi; Agus Subekti
Scientific Journal of Informatics Vol 6, No 2 (2019): November 2019
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/sji.v6i2.19798

The mathematical modelling of geological structures, i.e. magma intrusion or dyke, has been done,Â based on magnetic data with inversion techniques using MatLab. The magnetic equation is a non-linear equation, and completion is done using a linear approach to non-linear mathematical models of magnetic data using the Taylor expansion approach and Jacobi Matrix. The first step of this research is to make synthetic data forward modelling from the magnetic equation of magma intrusion or dyke cases without errors, and the next stepping then add errors to the data. The next step is to do an inversion to get the parameters sought, i.e. depth and angle of the magma intrusion, by giving initial guesses, and then re-correct iteratively until convergent results are obtained. Finally, parameters of slope dyke or thin magma intrusion and its depth can be determined. The results obtained indicate that this technique can be used to get physical parameters sought from magnetic data for simple geological cases, i.e. dyke and magma intrusion.

Reimagining Edupark Camp Bell 2 Tawangsari Teras Boyolali: Menyemai Peluang Ekonomi Baru di Era Pasca Covid-19 Sudarmin Sudarmin; M. Aryono Adhi; Rr. Sri Endang Pujiastuti; Yosephine Debbie Damayanti
Journal of Community Empowerment Vol 3 No 1 (2023): Journal of Community Empowerment
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jce.v3i1.73598

Abstrak. Di era pasca pandemi, Desa Tawangsari Teras Boyolali dengan destinasi wisata unggulannya, Edupark Camp Bell 2, menghadapi tantangan dalam pemulihan dan pengembangan ekonomi lokal. Pandemi Covid-19 telah meninggalkan dampak yang terlihat pada kondisi terawatnya lokasi wisata tersebut. Namun, di sisi lain, banyak warga desa yang mengandalkan kegiatan ekonomi di lokasi ini, terutama pada akhir pekan ketika mereka menjajakan makanan, minuman, dan produk lokal kepada para pengunjung. Untuk mengatasi permasalahan ini, sebuah program pengabdian masyarakat dilaksanakan dengan tujuan merespons tantangan tersebut melalui revitalisasi landscape dan taman di Edupark Camp Bell 2, menciptakan suasana yang lebih ASRI (Aman dan asik, Serasi dan menarik, Ramah anak dan wisatawan, serta Indah). Kerjasama erat antara Universitas Negeri Semarang (UNNES), pihak kelurahan, dan komunitas setempat menjadi landasan pelaksanaan kegiatan. Metode yang diterapkan melibatkan pendekatan penyuluhan teoritis, praktek penyuluhan, serta implementasi melalui kerja bakti yang melibatkan mahasiswa UNNES, perangkat desa, masyarakat, dan pemuda. Kegiatan dimulai dengan koordinasi menyeluruh bersama pihak kelurahan dan tokoh masyarakat. Keberhasilan proyek diukur dari transformasi taman dan lokasi wisata menjadi lingkungan yang lebih harmonis dan menarik. Hasil dari upaya pengabdian ini tampak jelas, dengan Edupark Camp Bell 2 berhasil mengalami transformasi signifikan menjadi destinasi yang lebih ASRI daripada sebelumnya. Selain itu, area tersebut juga lebih nyaman untuk kegiatan ekonomi masyarakat, khususnya dalam menjual produk dan jasa mereka kepada wisatawan. Kemitraan yang solid antara UNNES, kelurahan, dan masyarakat menjadi bukti nyata dari kesuksesan program pengabdian ini. Abstract. In the post-pandemic era, Tawangsari Teras Boyolali Village, with its prominent tourist destination, Edupark Camp Bell 2, faces challenges in local economic recovery and development. The Covid-19 pandemic has visibly impacted the well-maintained condition of the tourist site. However, on the other hand, many villagers rely on economic activities in this location, especially during weekends when they offer food, beverages, and local products to visitors. To address this issue, a community service program was conducted with the aim of responding to these challenges through the revitalization of the landscape and gardens in Edupark Camp Bell 2, creating a more ASRI (Aman dan asik, Serasi dan menarik, Ramah anak dan wisatawan, serta Indah), that means safe and enjoyable, harmonious and attractive, child and tourist-friendly, and beautiful atmosphere. Close collaboration between Universitas Negeri Semarang (UNNES), the village authorities, and the local community formed the foundation for the implementation of the activity. The applied method involved a theoretical counseling approach, practical counseling practices, and implementation through communal work involving UNNES students, village officials, community members, and youth. The activity began with comprehensive coordination with the village authorities and community leaders. The success of the project was measured by the transformation of the park and tourist location into a more harmonious and appealing environment. The results of this community service effort are evident, with Edupark Camp Bell 2 successfully undergoing a significant transformation into a more ASRI destination than before. Furthermore, the area has become more comfortable for community economic activities, particularly in selling their products and services to tourists. The solid partnership between UNNES, the village authorities, and the community stands as tangible proof of the success of this community service program.

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