{"title":"N Butler Matrix 4x4 untuk Aplikasi Wideband-Radar","authors":"administrator admin","doi":"10.52661/j_ict.v1i1.12","DOIUrl":"https://doi.org/10.52661/j_ict.v1i1.12","url":null,"abstract":"In this research, a 4x4 butler matrix for wideband-radar application with frequency range in S- Band (operation frequency at 3 GHz) was designed with 4 hybrid coupler and 2 crossover coupler in it. Using electromagnetic band gap (EBG) technique to increase the bandwidth by put the perforated structures (holes) at the ground plane. The research results (modelling by software application)show the design of butler matrix with characteristics of the bandwidth more than 500 MHz. In addition, the value of bandwidth enhancement is up to 259 %","PeriodicalId":352548,"journal":{"name":"Journal of Informatics and Communication Technology (JICT)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123176917","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A Extract, Transform, Load sebagai upaya Pembangunan Data Warehouse","authors":"administrator admin","doi":"10.52661/j_ict.v1i1.11","DOIUrl":"https://doi.org/10.52661/j_ict.v1i1.11","url":null,"abstract":"Paper ini dibuat untuk memberikan gambaran secara general dalam proses transformasi Ekstract, Transform, dan Load (ETL) sebagai data masukan untuk multidimensional modeling data mart dan data warehouse. Artikel ini dibuat dengan mengimplementasikan database dari Online Transaction Processing (OLTP) kedalam database Online Analytical processing (OLAP). Pada penelitian ini digunakan database classicmodels yang bersifat open source dari Mysql.Metode yang dilakukan dalam penelitian ini adalah, dengan melakukan proses Extract, Transform danLoad (ETL) pada data classic models yang dilakukan dengan cara melakukan ketiga proses tersebut (ETL) dari database OLTP kedalam database OLAP.Luaran dari penelitian ini adalah terbntuknya fact oder berisi data dari semua data dimension yang dbiuat untuk data classic model menggunakan perngkat lunak Pentaho Data Intergarion (Kettle) dan database management system MySQL","PeriodicalId":352548,"journal":{"name":"Journal of Informatics and Communication Technology (JICT)","volume":"149 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123266965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}