Komunikasi Fisika Indonesia最新文献_第10页

KAJIAN APLIKASI PANTULAN SINYAL GNSS UNTUK PEMANTAUAN KETINGGIAN PERMUKAAN AIR LAUT

Komunikasi Fisika Indonesia Pub Date : 2019-10-31 DOI: 10.31258/jkfi.16.2.138-142

B. Muslim, C. Kumalasari, Novie Chiuman, M. Arafah

{"title":"KAJIAN APLIKASI PANTULAN SINYAL GNSS UNTUK PEMANTAUAN KETINGGIAN PERMUKAAN AIR LAUT","authors":"B. Muslim, C. Kumalasari, Novie Chiuman, M. Arafah","doi":"10.31258/jkfi.16.2.138-142","DOIUrl":"https://doi.org/10.31258/jkfi.16.2.138-142","url":null,"abstract":"Design and experiment of ocean current power generation system have been carried out using the Bach In Indonesia, the tsunami early warning system only applies the earthquake and hydrosphere relationship model to predict tsunamis. To date, no tsunami detector has used radar or GNSS technology. GNSS technology can be applied as an early warning system for tsunamis, provided that tsunamis are caused by earthquakes greater than 7 magnitudes, occur 70 kilometers below sea level, and are caused by normal faults. This could be an alternative to Bouy GNSS which is expensive to install and maintain, especially for countries with vast oceans such as Indonesia. In this paper, a review of the application of GNSS signal reflection was carried out using one International GNSS Service (IGS) station, JOG2, and one Continuously Operating Reference Station (CORS), CLSA, each located in Java and Sumatra to investigate the availability of sea level monitoring in Indonesia. Determination of sea level is obtained from two methods, the GNSS signal phase data analysis method and the GNSS Signal-to-Noise Ratio (SNR) data analysis method. Both methods use reflected GNSS signals or multipath effects to obtain sea level. The results of the study show that the number of satellites that pass through Indonesia every 15 minutes is enough to get sea-level data every 15 minutes to one hour. This shows that it is possible to apply the multipath effect to obtain sea level information in Indonesia to detect tides and tsunamis as part of the tsunami early warning system in Indonesia.","PeriodicalId":403286,"journal":{"name":"Komunikasi Fisika Indonesia","volume":"255 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115867479","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}

引用次数: 0

PENENTUAN KOMPOSISI KIMIAWI ATMOSFER DAN TEMPERATUR EFEKTIF PADA BINTANG VEGA (α Lyr) DENGAN MENGGUNAKAN METODE SPEKTROSKOPI ABSORPSI 有效测定大气的化学成分和温度对着星星·维加(α用光谱方法ABSORPSI吕尔)

Komunikasi Fisika Indonesia Pub Date : 2019-10-31 DOI: 10.31258/jkfi.16.2.96-102

Fitria Yuliana, Z. Zulkarnain, H. L. Malasan

{"title":"PENENTUAN KOMPOSISI KIMIAWI ATMOSFER DAN TEMPERATUR EFEKTIF PADA BINTANG VEGA (α Lyr) DENGAN MENGGUNAKAN METODE SPEKTROSKOPI ABSORPSI","authors":"Fitria Yuliana, Z. Zulkarnain, H. L. Malasan","doi":"10.31258/jkfi.16.2.96-102","DOIUrl":"https://doi.org/10.31258/jkfi.16.2.96-102","url":null,"abstract":"The star spectrum is an information which is though to be a map of the star. The shape of the spectral line actually shows the nature of the star atmosphere, which is the only part researcher can be reached. The intensities of spectral lines will determine the chemical composition of the stars contained in the atmospheres of the stars. The approach used to determine the chemical composition and the effective temperature of the star is spectroscopy. The spectroscopy method had been done in this study using the GAO-ITB RTS telescope system which consisting of the Celestron C11 telescope, NEO-R 1000 spectrograph and CCD SBIG ST-8 camera. The object studied is Vega (α Lyr) star which has a magnitude of 0.00 that the main sequence star of the A0 spectrum class. The image data obtained then be processed using IRAF software to obtain the final spectrum graph with the y-axis representing the flux in erg cm-2s-1 and the x-axis representing the wavelength in units of Å. Furthermore, we match the absorption wavelength on the final spectrum graph to the existing wavelength of the Atomic Spectra Database (ASD) to identify the atmospheric chemical composition of the Vega star. Effective temperature can be calculated by using the Wien shifting laws by find out the maximum wavelength of the final spectrum graph. The most found element in the atmosphere of Vega star was hydrogen (H) that consist of Hε, Hδ, Hγ, Hβ, and Hα. The value of effective temperature of the Vega star is 7136 K that has difference percentage of 22.85 % from the mean temperature of A type star.","PeriodicalId":403286,"journal":{"name":"Komunikasi Fisika Indonesia","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121935684","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}

引用次数: 0

INTERPRETASI TRANSMISIVITAS UNTUK ANALISA POTENSI AIR BAWAH TANAH BERDASARKAN DRAWDOWN AIR SUMUR CINCIN MENGGUNAKAN METODE PUMPING TEST DI KECAMATAN MARPOYAN DAMAI KOTA PEKANBARU 根据北干巴鲁镇和平马波扬地区的抽水测试方法，对地下潜在水的传输解读

Komunikasi Fisika Indonesia Pub Date : 2019-04-30 DOI: 10.31258/jkfi.16.1.35-39

Rigia Givanny Pritamara, Juandi M, Usman Malik

引用次数: 0

ANALISA PENGARUH GAYA ELEKTROSTATIK PADA SPEKTRUM PENCITRAAN RESONANSI MAGNETIK (MRI) DALAM JARINGAN BIOLOGI

Komunikasi Fisika Indonesia Pub Date : 2019-04-30 DOI: 10.31258/jkfi.16.1.8-11

Salomo Salomo, Novan Lestari, Muhammad Hamdi

引用次数: 1

EFEK PENAMBAHAN ATOM TEMBAGA (Cu) DAN PERAK (Ag) PADA MATERIAL AKTIF NANOMATERIAL ZnO SEL SURYA FOTOELEKTROKIMIA 铜原子(铜)和银(Ag)在活性材料纳米材料ZnO化学太阳能电池上的作用

Komunikasi Fisika Indonesia Pub Date : 2019-04-30 DOI: 10.31258/jkfi.16.1.20-24

Windayani Windayani, Iwantono Iwantono, Awitdrus Awitdrus, Z. Zulkarnain

{"title":"EFEK PENAMBAHAN ATOM TEMBAGA (Cu) DAN PERAK (Ag) PADA MATERIAL AKTIF NANOMATERIAL ZnO SEL SURYA FOTOELEKTROKIMIA","authors":"Windayani Windayani, Iwantono Iwantono, Awitdrus Awitdrus, Z. Zulkarnain","doi":"10.31258/jkfi.16.1.20-24","DOIUrl":"https://doi.org/10.31258/jkfi.16.1.20-24","url":null,"abstract":"ZnO material coated with Cu + Ag was successfully grown using seed mediated hydrothermal method at a temperature of 90° C for 8 hours with a variation of concentration of Ag, 10 mM, and 20 mM. The growth of ZnO nanomaterials was carried out on the FTO substrate (Flourine Tin Oxide). The Samples were characterized using, Field Emission Scanning Microscope (FESEM), and X-ray Diffraction (XRD). The FESEM photos show ZnOnanorod coated with Cu + Ag have grown on FTO having a nanoflower shape that consructed from ZnOnanorods with their orientation . The XRD pattern shows five peaks at 2θ: 31.69 °; 34.36 °; 36,18 °; 47.52 °; and 56.4 °. Based on the results of the analysis of the OriginPro 8 program each peak in a row according to the crystal orientation (100), (002), (101), (012), and (110). The stongest line was found in the crystal plane (101). DSSC was fabricated using ZnO nanomaterial coated with Cu + Ag as active material, N719 dye, liquid electrolyte, and plastisol as catalyst on the counter electrode. The results of I-V measurements at halogen lamp with ilumination its intensity of 100 mW/cm2 of the cells has producedthe highest efficiency value based on Cu coated ZnO was based DSSC 0,98% with a Cu concentration of20mM.These results show that the addition of Cu layer can increase the efficiency of DSSC based on ZnO by 123% compared to ZnO without Cu based DSSC. Addition of Ag to active material of Cu coated ZnO nanomaterial did not have a positive effect on the efficiency of DSSC cells.","PeriodicalId":403286,"journal":{"name":"Komunikasi Fisika Indonesia","volume":"334 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122642927","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}

引用次数: 1

PENENTUAN DENSITAS PLASMA HIDROGEN NONTERMAL PADA TEKANAN RENDAH 测定低压力的非热等离子体密度

Komunikasi Fisika Indonesia Pub Date : 2019-04-30 DOI: 10.31258/jkfi.16.1.29-34

Nelda Ipkawati, Saktioto Saktioto

引用次数: 0

VISUALISASI KONTRAS SPEKEL MENGGUNAKAN PROGRAM SCIKIT IMAGE DAN PULSA DETAK JANTUNG BERBASIS ARDUINO UNO PADA TIKUS PUTIH YANG DIINDUKSIKAN ALOKSAN 对斑点的可视化对比使用了基于ARDUINO UNO的SCIKIT显像程序和基于ARDUINO UNO的心律脉冲进行进行脑电图处理

Komunikasi Fisika Indonesia Pub Date : 2019-04-30 DOI: 10.31258/jkfi.16.1.52-58

Z. Zulkarnain, N. Melati

{"title":"VISUALISASI KONTRAS SPEKEL MENGGUNAKAN PROGRAM SCIKIT IMAGE DAN PULSA DETAK JANTUNG BERBASIS ARDUINO UNO PADA TIKUS PUTIH YANG DIINDUKSIKAN ALOKSAN","authors":"Z. Zulkarnain, N. Melati","doi":"10.31258/jkfi.16.1.52-58","DOIUrl":"https://doi.org/10.31258/jkfi.16.1.52-58","url":null,"abstract":"Speckle contrast visualization and heart rate pulses on rats induced with alloxan were successfully carried out. This research aims to visualize speckle contrast measurements using the Scikitimage program and analyze the relationship between speckle contraston rats to blood sugar levels and also to determine the effect of alloxan induced on heart rate frequency in rats. This study obtained speckle pattern image data from rats induced by alloxan with variations in concentrations of 35%, 55% and without alloxan for 12 days of treatment. The sample used were3 to 5 months old. The method conducted in speckle contrast visualization was using blob detection with Laplacian of Gaussian algorithm to obtain speckle contrast values while the visualization of heart rate pulse based on Arduino Uno was done using the Integrated Development Environment (IDE) program. The results obtained from image processing using the Scikitimage program show that the contrast value could achieved decreasing with increasing blood sugar levels and the results obtained for detection of heart rate was the greater the blood sugar level the greater the heart rate (beat per minute) measured. ","PeriodicalId":403286,"journal":{"name":"Komunikasi Fisika Indonesia","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129705418","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}

引用次数: 0

INTERPRETASI KONDISIAIR BAWAH TANAH STUDI KASUS DI KECAMATAN TENAYAN RAYA KOTA PEKANBARU DENGAN MENGGUNAKAN METODE PUMPING TEST 用抽水测试方法对北干鲁镇地下水条件研究的解释

Komunikasi Fisika Indonesia Pub Date : 2019-04-30 DOI: 10.31258/jkfi.16.1.25-28

Awaludin Rakhmat, Juandi Muhammad, Usman Malik

引用次数: 0

ANALISA INTERPRETASI POLA ALIRAN AIR BAWAH TANAH KELURAHAN LABUH BARU BARAT KECAMATAN PAYUNG SEKAKI PEKANBARU MENGGUNAKAN METODE GEOLISTRIK KONFIGURASI SCHLUMBERGER

Komunikasi Fisika Indonesia Pub Date : 2019-04-30 DOI: 10.31258/jkfi.16.1.1-7

Krisman Krisman, Citra Siti Fatimah Julianti, M Juandi

{"title":"ANALISA INTERPRETASI POLA ALIRAN AIR BAWAH TANAH KELURAHAN LABUH BARU BARAT KECAMATAN PAYUNG SEKAKI PEKANBARU MENGGUNAKAN METODE GEOLISTRIK KONFIGURASI SCHLUMBERGER","authors":"Krisman Krisman, Citra Siti Fatimah Julianti, M Juandi","doi":"10.31258/jkfi.16.1.1-7","DOIUrl":"https://doi.org/10.31258/jkfi.16.1.1-7","url":null,"abstract":"Underground water is one of the important component sources for human being. Study on interpretation of underground water flow has been carried out using Geoelectric Schlumberger Electrode Configuration in Labuh Baru Barat Village, Payung Sekaki District, Pekanbaru. The range measurement was chosen to be 240 meter. The output of measurement arecurrent and voltage. The data, then was inputed into software progress and surfer 11. The output of this computer program is a map of underground waterflow pettern and underground lithology. The results of mapping of the pattern of underground water flow indicate that the direction of water flow from North to South direction, or from Pinang street to Payung Sekaki street. The thickness of the layer start from the first layer that is 4.05 meters and 5.4 meters is a layer of silt- clay, the second layer is 13.07 meters and 14.3 meters is a layer of mud stone, the third layer is 13.07 meters and 15.2 meters is a layer of sand and alluvial and the fourth layer is 51.1 meters and 79.2 meters is layer of gravel sand.","PeriodicalId":403286,"journal":{"name":"Komunikasi Fisika Indonesia","volume":"Suppl 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126288269","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}

引用次数: 0

PEMETAAN AIR TANAH PADA LAHAN KERING DI RT 05 DESA MUARO PIJOAN MENGGUNAKAN METODE GEOLISTRIK KONFIGURASI WENNER MUARO PIJOAN村庄MUARO PIJOAN采用了WENNER的ge对排水量方法

Komunikasi Fisika Indonesia Pub Date : 2019-04-30 DOI: 10.31258/jkfi.16.1.40-45

Eka Nurshafni, Faizar Farid, Samsidar Samsidar, Linda Handayani

{"title":"PEMETAAN AIR TANAH PADA LAHAN KERING DI RT 05 DESA MUARO PIJOAN MENGGUNAKAN METODE GEOLISTRIK KONFIGURASI WENNER","authors":"Eka Nurshafni, Faizar Farid, Samsidar Samsidar, Linda Handayani","doi":"10.31258/jkfi.16.1.40-45","DOIUrl":"https://doi.org/10.31258/jkfi.16.1.40-45","url":null,"abstract":"The Study has been done using the geoelectric wenner configuration method in Muaro Pijoan Village, District of Jambi Luar Kota, Muaro Jambi Regency. The purpose of this study were to map the resistivity and determine the ground water position in Muaro Pijoan Village. The study area is divided into 5 tracks, 2 tracks along 100 meters and 3 tracks along 200 meters. Tracks with length 100 meters has space 5 meters and the track with length 200 meters has space of 10 meters. The value obtained from the measurement is the current and potential values, the value is used to obtain the apparent resistivity. The apparent resistivity value is then inverted using Res2Dinv software into 2 dimensional form. The inversion results in 3 cross-sectional resistivity imaged with color and each color indicates a sunder ground resistivity value. Based on the rock resistivity table, ground water has a resistivity value between 30-100 Ω.m. From the cross-sectional resistivity it is found that all tracks have a potential ground water content and the location varies from 2.5 to 34.6 meters below the soil surface. The largest groundwater potential is on track 3 and the smallest is on track 5. Based on its groundwater position in Muaro Pijoan Village includes shallow groundwater. ","PeriodicalId":403286,"journal":{"name":"Komunikasi Fisika Indonesia","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117254911","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}

引用次数: 2