THE INFLUENCE OF FAMILY, PEERS, TEACHING METHODS OF TEACHER, AND THE USE OF INTERNET ON STUDENT’S INTEREST IN LEARNING ELECTRONIC FOR AUDIO VIDEO STUDENTS AT SMK N 3 YOGYAKARTA

This study aim to know about 1) the influence of family, peers, teaching methods of teacher, and the use of Internet on student’s interest in learning electronic for audio video students at SMK N 3 Yogyakarta, 2) from family, peers, teaching methods of teacher, and the use of internet, which is the most influential factor on student's interest in learning electronics for audio video students at SMK N 3 Yogyakarta. The subjects are 99 students of competency skills audio video at SMK N 3 Yogyakarta. The variables are the family environment (X1), the peer environment (X2), the teaching method of teachers (X3), the use of internet (X4), and student’s interest in learning electronics (Y).The Techniques of data collection use questionnaire and the analysis method use 4 Predictors of Multiple Regression. The results show that the family, peers, teaching methods of teacher, and the use of internet have a positive and significant impact on students' interest in learning electronics for audio video students at SMK N 3 Yogyakarta, it can be seen from Rhitung (0.616) > Rtabel (0.195). The relative contribution of each variable is the use of Internet at 66.3%, family environment at 12.27%, teaching methods of teachers at 11%, and 10.5% of peer environment. Thus, the factors that most influential on the student's interest in learning electronics for audio video students at SMK N 3 Yogyakarta is the use of Internet. Keywords: family, peers, teaching methods, internet, interests in learning electronics

Particles mass flow rate and concentration measurement using electrostatic sensor

In many industries where flow parameters measurement is essential to control manufacturing process, the use of a reliable, cost effective and high accuracy instrument is an important issue. Appropriate measurement method and design leads to improvement of pneumatic conveyors operation and process efficiency. This paper present an instrumentation design based on passive charge detection using a single electrostatic sensor. Two different sensor electrodes are applied to show the flexibility of electrostatic sensor application. A time domain signal processing algorithm is developed to measurement of mass flow rate and concentration profile from acquired electrical charge signal. The findings is led to a low cost and high accuracy design, the experimental test results of the design shows less than ±5% error between measured parameters and reference reading acquired from the manual weighing

Analisis Wacana Lha.... Dalah! Dalam Surat Kabar Joglo Semar Sebagai Materi Ajar Di Smp: Tinjauan Mikrostruktural Dan Makrostruktural

Penelitian ini bersifat analisis dengan mengambil materi wacana Lha...Dalah! dalam surat kabar harian Joglo Semar. Tujuan penelitian ini, yaitu (1) Menganalisis aspek mikrostruktural dan makrostruktural yang terdapat pada wacana Lha...Dalah! dalam surat kabar harian Joglo Semar edisi 28 Maret-2 April 2011 dan tanggal 6 Juni-18 Juni 2011. (2) Mengetahui kesesuaian wacana Lha...Dalah! sebagai materi ajar MPBI di SMP. Bentuk penelitian ini yaitu penelitian kualitatif bersifat deskriptif. Data yang digunakan dalam penelitian ini adalah wacana Lha...Dalah! yang terdapat dalam surat kabar harian Joglo Semar edisi 28 maret-2 April dan tanggal 6 Juni-18 Juni 2011. Sumber data pada penelitian ini yaitu surat kabar harian Joglo Semar. Pengumpulan data pada penelitian ini menggunakan metode dokumentasi. Analisis data pada penelitian ini menggunakan metode padan intralingual. Hasil penelitian ini, yaitu (1) menemukan kajian mikrostruktural dan Makrostruktural yang membangun wacana Lha...Dalah!, serta menemukan relevansi antara wacana Lha...Dalah! sebagai materi ajar yang sesuai dengan Standar Kompetensi (SK) dan Kompetensi Dasar (KD) di SMP. (2) kajian Mikrostruktural meliputi aspek gramatikal (pengacuan, penyulihan, pelesapan, dan perangkaian) dan aspek leksikal (repetisi, sinonimi, kolokasi, hiponimi, dan ekuivalensi). (3) Menemukan kajian makrostruktural yang membangun wacana Lha...Dalah!, meliputi konteks situasi dan konteks sosial

Ultimate boundedness of droop controlled Microgrids with secondary loops

In this paper we study theoretical properties of inverter-based microgrids controlled via primary and secondary loops. Stability of these microgrids has been the subject of a number of recent studies. Conventional approaches based on standard hierarchical control rely on time-scale separation between primary and secondary control loops to show local stability of equilibria. In this paper we show that (i) frequency regulation can be ensured without assuming time-scale separation and, (ii) ultimate boundedness of the trajectories starting inside a region of the state space can be guaranteed under a condition on the inverters power injection errors. The trajectory ultimate bound can be computed by simple iterations of a nonlinear mapping and provides a certificate of the overall performance of the controlled microgrid.Comment: 8 pages, 1 figur

TAJAHUL AL-ARIF DALAM AL-QURAN (Studi Terhadap Kalimat-Kalimat Yang Mengandung Uslub Tajahul al-Arif dalam Surah Yasin dan Al-Muluk)

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Economic Valuation of Urban Informal Activities: Case Study of Flea Markets in Bandung Municipality

This study analyzes some social economic aspects of informal activities using case study of flea markets in Bandung Municipality. The objectives are to provide a description of the information we collected during our field survey, and report our findings on the Willingness to Pay (WTP) of people who are doing informal business in the flea markets under study on some services. We use Censored Regression Model to estimate WTP for some relevant services (general user charge, waste disposal services, security, and congestion) in the flea market. We found two important determinants of WTP, which are the amount of working capital, and the ownership of the merchandise.Flea market, informal activity, WTP

On Functions Preserving Convergence of Series in Fuzzy n-Normed Spaces

The purpose of this paper is to introduce finite convergence sequences and functions preserving convergence of series in fuzzy n-normed spaces