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KINERJA SISTEM COFDM (CODED ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING) PADA KANAL RADIO MOBILE Hendra Winata; Heroe Wijanto; Suyatno Suyatno
TEKTRIKA Vol 8 No 2 (2003)
Publisher : Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/tektrika.v8i2.228

Abstract

Komunikasi data berkecepatan tinggi memerlukan teknik modulasi yang dapat mengatasi terjadinya ISI (Inter-Symbol Interference) dan respons frekuensi kanal yang tidak rata. OFDM (Orthogonal Frequency Division Multiplexing) merupakan teknik transmisi multicarrier dengan periode simbol relatif lebih lebar dibandingkan nilai delay spread kanal. Dengan subcarrier spektral yang lebih sempit dari lebar-pita frekuensi koheren, OFDM diharapkan memiliki ketahanan terhadap gangguan kanal yang tidak rata. FEC (Forward Error Correcting) masih dibutuhkan untuk meminimumkan efek kesalahan akibat dari beberapa subcarrier yang mengalami fading lebih kuat dibandingkan lainnya. FEC dengan teknik pengkodean konvolusional dan interleaver banyak dipakai pada standar OFDM seperti Wireless LAN 802.11a dan Direct Video Broadcasting. Hasil simulasi menunjukkan pengkodean konvolusional [133 171] memberikan nilai coding gain maksimal 6 dB untuk modulasi subcarrier QPSK dan 7 dB untuk 16-QAM. Pada kanal radio mobile dengan frekuensi doppler 0, 9, 56 dan 130 Hz, diperoleh coding gain 7 dB. Penggunaan matriks interleaver 3218 (IS–95) bekerja kurang optimal dengan perbaikan daya kurang dari 1dB. Ketika frekuensi doppler 130 Hz, matriks interleaver 10096 mampu memperbaiki kinerja sistem secara siginifikan, BER di sekitar 10-6 dicapai pada SNR = 16 dB.Kata kunci: OFDM, interleaver, delay spread, frekuensi doppler, coding gain, IFFT-FFT
MULTIKULTURALISME DALAM SISTEM PENDIDIKAN AGAMA ISLAM: Problematika Pendidikan Agama Islam di Sekolah Suyatno Suyatno
ADDIN Vol 7, No 1 (2013): ADDIN
Publisher : LPPM IAIN Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21043/addin.v7i1.571

Abstract

MULTICULTURALISM IN ISLAMIC EDUCATION SYSTEM: PROBLEMS OF ISLAMIC EDUCATION IN SCHOOLS. Education aimed at shaping attitudes and behavior towards the civilized man. An education system that only emphasizes the transfer of knowledge, making education is no longer meaningful and a positive effect on learners. Education is not touching the side of humanism that develops an attitude of pluralism as a foundation of multiculturalisms thought. Model of religious education would only create learners abdullah which are only godly individually. Understanding pluralism and multiculturalism has become a commodity in politics that will continue to roll in the realm of national education including Islamic religious education which is an integral part of the national education system. The governments policy regarding the application of curriculum of KTSP which necessitates the provision of education oriented to potential of regional and local cultural values. This policy can not be separated from the awareness of the figures and leaders of this country that the Indonesian nation is very diverse and heterogeneous. Therefore, it is impossible to build this country withot considering of the values of plurality and multicultural in society.
THE IMPACT OF COMPLEMENTARY FEEDING TYPE ON THE NUTRITION STATUS OF INFANTS 6 TO 12 MONTHS OF AGE IN SUBURBAN SEMARANG INDONESIA Suyatno Suyatno
Proceedings of the International Conference on Applied Science and Health No. 1 (2017)
Publisher : Yayasan Aliansi Cendekiawan Indonesia Thailand (Indonesian Scholars' Alliance)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Background: After 6 months, baby must be given complementary feeding. Many considerations behind the choice of the family on both types of weaning food, one of which is related to the impact of these foods on nutritional status and infant's healthy. Malnutrition increases as a result of complementary feeding are given to infants is not right, either type or quantity. Aims: The research objective was to determine the commercial and local food practices in sub- urban areas, and determine the reason and analyze the impact of both types of weaning food on the nutritional status of infants 6-12 months. Methods: This study was an observational study with a cross-sectional design. Location of research was in the work area of Kedungmundu Health Center, Semarang City Indonesia. The research samples were families with babies aged 6-12 months. A number of samples 94, selected by random. This type of analysis used was a different test. Results: The results showed 55.3% of infants were fed with local weaning food, the rest were kind of commercial food. Almost all babies had been given a weaning food in less than 6 months, both derived from the type of local or commercial food. Families closed the type of commercial food, because this type was more practical, while the local food (homemade) chosen because it was more natural, safer and more economical. There were no differences in nutritional status among infants 6-12 months who had complementary feeding practices with commercial and local food. Conclusion: It was concluded, infant complementary feeding practice with infant commercial and local food did not have a different impact on the nutritional status in infants 6-12 months. 
PENGARUH DEBT TO EQUITY RATIO BEFORE (DERB) TERHADAP TOTAL ASSET TURN-OVER (TATO) DAN RETURN ON ASSET (ROA) PADA PERUSAHAAN PERTAMBANGAN BATUBARA YANG TERDAFTAR DI BURSA EFEK INDONESIA PERIODE 2013 - 2018 Mohamad Nuhnaradita Saleh; Saladin Ghalib; Suyatno Suyatno
JURNAL BISNIS DAN PEMBANGUNAN Vol 10, No 2 (2021): JULI 2021
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jbp.v10i2.10957

Abstract

Coal mining companies require large investments to carry out their operational activities. This large investment must be accompanied by a solvable capital structure policy. A solvable capital structure supports the company in carrying out efficient asset turnover activities and obtaining ever-growing profitability.This study aims to analyze the causality relationship of Debt to Equity Ratio Before to Total Asset Turn-Over, and Return On Asset. This research is an explanatory study of causality with a quantitative approach. This study considers the principle of going concern and agency theory in which in making sustainable financial decisions from year to year there can be differences in interests between the main stakeholders internally. This study involved data from nine coal companies listed on the Indonesia Stock Exchange from 2013 to 2018 which were selected by purposive sampling with the consideration of the availability of data on the variables studied.The results of this study indicate that the debt to equity ratio before directly has a significant negative effect on total asset turnover, but it has no significant effect on return on assets when controlled by total asset turnover. Total asset turnover has a significant positive effect on return on assets, it has a significant fully positive mediation effect on the debt to equity ratio before.In further research, expected to include other variables as independent variables, such as asset structure, include the fractional elements of total asset turnover, for example, current asset turnover and fixed asset management.Keywords: Debt to equity ratio before, total asset turnover, return on asset
PENGARUH TOTAL ASSET TURN OVER TERHADAP RETURN ON EQUITY, RETURN ON ASSET DAN PRICE TO BOOK VALUE PADA PERUSAHAAN PERTAMBANGAN BATUBARA YANG TERDAFTAR DI BURSA EFEK INDONESIA TAHUN 2013-2019 Wahyu Sumarsidi; Suyatno Suyatno; Hairudinor Hairudinor
JURNAL BISNIS DAN PEMBANGUNAN Vol 10, No 2 (2021): JULI 2021
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jbp.v10i2.10994

Abstract

The aim of this research is to analysis the effects of total asset turnover ratio on return equity ratio, return on asset, and price to book value. This research is an explanatory-causality which tests and analysis 6 direct effects and 3 mediation effects. Target population of this research is the 25 coal mining firms that listed in Indonesian Stock Exchange at the years 2013-2019, and the sample size are 105 time series data of the 15 firms selected with purposeve sampling those can compute to observed variables include in the research model.The research findings demonstrate that the 5 positive significance direct-effect, excepted the return on equity have negative insignificance effect toward price to book value. The 3 mediations significance effect that are (1) return on equity at the effect of the total asset turnover toward return on asset, (2) return on asset at the effect of the return on equity toward price to book value, and (3) multi-phase of the return on equity and return on asset at the effect of the total asset turnover toward price to book value.Keywords: Total Asset Turnover, Return On Equity, Return On Asset, Price To Book Value, and Coal Mining Firms.
FAKTOR-FAKTOR YANG BERHUBUNGAN DENGAN KEBIASAAN DAN KUALITAS SARAPAN SISWA KELAS V DI SDN SENDANGMULYO 04 KECAMATAN TEMBALANG, SEMARANG TAHUN 2015 Sylga Cahya Gemily; Ronny Aruben; Suyatno Suyatno
Jurnal Kesehatan Masyarakat (Undip) Vol 3, No 3 (2015): JULI
Publisher : Fakultas Kesehatan Masyarakat Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (119.923 KB) | DOI: 10.14710/jkm.v3i3.12153

Abstract

Breakfast can provide around 15-30% of daily nutritional requirements, maintain physical endurance and increase work productivity. In Indonesia, 40% of children skipped breakfast and obtain energy intake less than 15% of daily nutritional requirements. The purpose of this study was to analyze the factors that related the habits and quality of breakfast at fifth grade students at  state primary schools Sendangmulyo 04 District Tembalang, Semarang. This study used descriptive research with cross sectional approach. The method used is quantitative and qualitative where quantitative to find out the habits and the quality of breakfast and related factors and qualitative to find out the reasons behind it. The population in this study was a fifth grade students in State Elementary School 04 Sendangmulyo District Tembalang, Semarang with 63 samples taken by using purposive sampling method. Data analysis of quantitative methods was univariate and bivariate with 95% of level significance and qualitative method used inductive analysis. The results showed that there was a significant relationship between the sexes (p=0,002), maternal education (p=0,023), maternal occupation (p=0,023), breakfast habits in family (p=0,028) and family encouragement (p=0,000) with breakfast habits. There was a significant relationship between breakfast habits in families with breakfast quality  (p=0,027). The conclusion was that most (67%) in the fifth grade students of State Elementary School District Tembalang 04 Sendangmulyo had breakfast habits and most (61,9%) had poor quality of breakfast. Factors related to the habits and the quality of the breakfast was breakfast habits in families .
Faktor-Faktor yang Berhubungan dengan Konsumsi Fast Food pada Remaja Obesitas di SMA Theresiana 1 Semarang Tahun 2017 Liyana Putri Afifah; Suyatno Suyatno; Ronny Aruben; Apoina Kartini
Jurnal Kesehatan Masyarakat (Undip) Vol 5, No 4 (2017): JULI
Publisher : Fakultas Kesehatan Masyarakat Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (92.883 KB) | DOI: 10.14710/jkm.v5i4.18757

Abstract

Obesity or commonly known as overweight is a quite disturbing problem among teenagers. Fast food is a fast serving food with big portion, and heavy energy food with high calories and fat. The purpose of the research was to analyze factors related with fast food consumption in adolescent obesity in Theresiana 1 Senior High School Semarang 2017. This research was using quantitaive study method with cross sectional design. Research population were adolescent obesity in XII grade with the total of 35 people. Samples in this research were 35 adolescent obesity who met the inclusion criteria. Sampling technique was using total sampling. Data was analyzed using Chi Square test. The results showed that respondent’s knowledge about fast food was classified as adequate (48,6%). Respondent’s attitude about fast food consumption was classified as adequate (42,9%). Parents income was classified as very high (65,7%). Respondent’s pocket money was classified as high (82,9%). Friends with the same age was classified as not influence (51,4%). Mass media was classified as not influence (54,3%). Statistical results showed that there were no correlations of knowledge (p=0,166), attitude (p=0,677), parents income (p=0,668), pocket money (p= 0,975), friends with the same age (p= 0,145), mass media (p= 0,982) with fast food consumption. This research recommended adolescent obesity to reduce fast food consumption and chose the balance nutrition food in school canteen or other restaurants which suitable with students daily energy needs.
HUBUNGAN TINGKAT KECUKUPAN ENERGI, MAGNESIUM, KALSIUM DAN BESI, AKTIVITAS FISIK, PRESENTASE LEMAK TUBUH DENGAN SIKLUS MENSTRUASI REMAJA PUTRI SMA NEGERI 4 KOTA PEKALONGAN Dinda Sofia Triany; Laksmi Widajanti; Suyatno Suyatno
Jurnal Kesehatan Masyarakat (Undip) Vol 6, No 5 (2018): SEPTEMBER
Publisher : Fakultas Kesehatan Masyarakat Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (203.264 KB) | DOI: 10.14710/jkm.v6i5.22056

Abstract

Menstrual cycle disorder is a problem that has found quite often by adolescents. The objective of the research was to determine the relationship of energy, magnesium, calcium, and iron adequacy, physical activity, body fat percentage with menstrual cycle of adolescents in Senior High School 4 Pekalongan. This research used a cross-sectional approach. The population of this research counted to 343 girls 16-18 years and the sample in this research were 73 female samples with proportional random sampling technique that was taken by representatives adolescents of each class who were willing to become respondents. Data analysis used Rank Spearman and Chi-Square Test. The result showed that some of adolescents had abnormal menstrual cycles (63.3%), the levels of energy severe deficits (47.9%), sufficient levels of magnesium (54.8%), the level of calcium adequacy was lacking (76, 7%), the level of iron adequacy was lacking (79.5%), mild physical activity (78.1%), percentage of body fat was normal (64.4%). There was relationship between menstrual cycle length and energy adequacy level (p=,043, ρ=-0,238), magnesium adequacy level (p=0,049, ρ=-0,231), calcium adequacy level (p=0,031, ρ=-0,252), iron adequacy level (p=0,007 ρ=-0,311), body fat percentage (p=0,040, ρ=-0,242) which means the lower level of sufficiency of energy, calcium, magnesium and iron, the menstrual cycle becomes longer than normal (oligomenorea), and the increasing percentage of body fat the menstrual cycle becomes shorter than normal (polimenore). There was no relationship between menstrual cycle length and physical activity (p=0,338, ρ=-0,114). It is advisable for adolescents to consume high-energy foods such as beef and eggs. High-calcium foods such as cheese, milk, shrimp and fish and high-iron foods such as chicken's liver, eggs and nuts so,it could maintain nutritional intake can balance the percentage of body fat to remain normal.
PERBEDAAN KADAR EKSKRESI YODIUM URIN (EYU), KONSUMSI GARAM BERYODIUM, DAN TINGGI BADAN ANAK BARU SEKOLAH (TBABS) (Studi di Daerah Replete dan Non-replete GAKY Kabupaten Magelang) Putri Tiara Nur Mahardika; Suyatno Suyatno; Apoina Kartini
Jurnal Kesehatan Masyarakat (Undip) Vol 7, No 1 (2019): JANUARI
Publisher : Fakultas Kesehatan Masyarakat Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (227.699 KB) | DOI: 10.14710/jkm.v7i1.22975

Abstract

One of the fundamental factors causing Iodine Deficiency Disorders (IDD) is low environmental iodine, so that people who depend on local food will have iodine deficiency. In Magelang Regency there is a replete area, specifically areas that have a history of IDD problems in the past and have been intervened, so the problem can be overcome. This study aimed to analyze differences in UIE levels, consumption of iodized salt, and height of children in replete and non-replete area of IDD, Magelang Regency. This analytic observational study was conducted with cross-sectional design for 60 children in the first grade Bandongan 1 Elementary School which in replete area and Blondo 3 Elementary School which in non-replete area. Data collected includes: characteristics of respondents, consumption of iodized salt, type and quality of salt, UIE levels, height, and nutrient intake (energy, protein, and iodine). Analysis of this study using independent t-test and mann-whitney test. The median of children UIE level in replete area was 200,5 μg/L, while non-replete area was 212,5 μg/L. The average consumption of iodized salt in replete area was 3,09 g/day and non-replete area was 4,81 g/day. The average of height for age were -0,79 for replete area and -0,22 for non-replete area. This results showed that there weren’t differences between UIE levels, parent’s height, level of nutritional adequacy (energy, protein, and iodine) in replete and non-replete area of IDD (p>0,05). This results showed that consumption of iodized salt and child’s height in replete was lower than non-replete area of IDD and difference was significant (p<0,05).
FAKTOR RISIKO YANG BERHUBUNGAN DENGAN KEJADIAN BALITA GIZI BURUK (SKOR Z BB/U < -3) DI KABUPATEN WONOGIRI TAHUN 2017 Suci Nurraini; Suyatno Suyatno; Ronny Aruben
Jurnal Kesehatan Masyarakat (Undip) Vol 6, No 1 (2018): JANUARI
Publisher : Fakultas Kesehatan Masyarakat Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (121.721 KB) | DOI: 10.14710/jkm.v6i1.19969

Abstract

Malnutrition (W/A) is still one of the health problems in Indonesia and the most vulnerable age group suffering from malnutrition is children under five years old. In 2013, the national prevalence of malnutrition-less in children under five is 19.6%, which means malnutrition-less problems in Indonesia are still a public health problem. The number of malnutrition cases in Wonogiri District in 2016 were 158 cases. The purpose of this study is to determine the risk factors associated with the incidence of malnutrition children under five in Wonogiri District. This type of research is an analytical survey with case control study design. The case group is children under five with Z-Score <-3 while the control group is children under five with Z-Score <-3 SD based on the W/A index. The sample was 34 for each group selected by purposive sampling technique. The result showed that there was significant correlation between malnutrition and infectious disease (p=0,011), parenting (p=0,011), maternal education level (p=0,002;) knowledge of mother (p=0,002), mother attitude level (p=0,012), mother practice level (p=0,011) and family economic status (p=0,039). There was no significant correlation between malnutrition and sex (p=1,000), age (p=0,334), energy sufficiency (p=0,582), protein adequacy level (p=0,742), and mother work status (p=0,123). It can be concluded that risk factors associated with the incidence of malnutrition in Wonogiri District are infectious diseases; parenting; mother's education level; level of knowledge, attitude, and practice of mother; and family economic status. Health workers are advised to always give information to society so that mother’s knowledge about baby nutrition increase. 
Co-Authors A. Masduki A.Y. Airlangga Adi Sutanto Afra Dhiya Fadillah Ahmad Robi A.P. Ahmad Yani Aisyah Aisyah Aleksander Purba Alhanannasir, Alhanannasir Altriza Juliyandari Anas Ahmadi Andi Prastiyo Anggriani Septiana Anik Enikmawati Apoina Kartini Aprilliyani Pepi Lusita ARMY JOHN Asep Permadi Athiyah Athiyah Atik Mawarni Bintari Fajar Kurnianingtyas Bresca Merina Bulan Putri Intan Raisa Cindy Claudia, Meiske Dahniar Dahniar Dasir Dasir Desy Kustiyanti Dewi Hartinah Dewi Sophia Dharminto Dharminto Dianissafitrah Hidayati Dina Rahayuning Pangestuti, Dina Dinda Sofia Triany Distia Hayyudini Dwi Kurnia Yuliyawati Dwiyanti Utami Eddy Purnomo Edy M. Arsadi EKA SARI Engkos Kosasih Erika Kusuma Hastuti Hadi Suwastio Haida Meytania Utami Hairudinor Hairudinor Hamid Yani S. Achir Helmi Ali Henderi . Hendra Winata Heroe Wijanto Hilaria Dita Regi Isninda Priska Syabandini Laksmi Widajanti Liyana Putri Afifah Luthfiah Chusnul Khotimah Mardian Mardian Maria Yensiska Siahaan Martha Irene Kartasurya Mohamad Nuhnaradita Saleh Mohammad Zen Rahfiludin Muhammad Pandu Suvi Mukhtarudin Muchsiri Noor Cholifah Novi Shintia NUR ANNIS HIDAYATI Nur Azizah Nur Zata Yusrina Nurul Hidajati Nurul Islami Dini NURUL ISTIQOMAH Padeli Padeli Putri Sriwulandari Pangestika Putri Tiara Nur Mahardika Radix Cita Mafngula Nandar Reni Mulyanti Ria Helda Pratiwi Rida Pertiwi Rinezia Putri Lelapari Rofi&#039; Nihayatul Ulum Rohmatul Bariroh Al Faiqoh Ronny Aruben Saladin Ghalib Sapri Hadiwisastra Sarah Khalda Azzahra Selli Marsellina Boru Sembiring Setya Yuwana Sudikan Siti Fatimah Pradigdo Siti Syofiatul Rohmah Sri Achadi Nugraheni Sri Agustini Suci Nurraini Sudjarwo Sudjarwo Sugiyo Sugiyo Sylga Cahya Gemily Temi Chintia Risva Tri Pujiati Trisylvana Azwari Ulsla Arsil Majidah Verry Freddy Vita Rizky Pradani Sugiyanto Wahyoe S. Hantoro Wahyu Sumarsidi Wahyu Widodo Yando Agus Kurniawan Yudhy Dharmawan Zatalina Hanani