Analisa Perbandingan Kuat Sinyal antara Operator Hutchison, Indosat, Telkomsel, dan Xl Axiata dengan Menggunakan Software RF Signal Tracker di Area Jalan Protokol Pekanbaru

Cell phones have become a major part of the society in daily life - today. The use of mobile phones has spread in every community, rural and urban. SingTel, Hutchison, Comindo Axiataand Indosat are some operators cellular telecommunications network that use UMTS and HSDPA technology. The parameters that determine the power level and the quality of the signal strenght of each operator is known as RxLevel (the Receptiom Level) for GSM and the RSCP (Received Signal Code Power) in order to WCDMA. One of methods for analyzing to measure that parameters is a drive test which use rf signal tracker software. This research will compare a drive test method with simulation method, where the simulation using radio mobile software. The location of this research is in some protocol streets on Pekanbaru, such as Cut Nyak Dien Street, Jend. Ahmad Yani Street, Ir. H. Juanda Street, Gajah Mada Street, Diponegoro Street and Jend. Sudirman Street. The result shows that Telkomsel has the best signal strength in protocol streets on Pekanbaru with -63.082 dBm, followed by XL Axiata with -68.187 dBm, then Hutchison with -75.082 dBm. The lowest signal strenght is operator Indosat with the value -86.411 dBm

Perancangan Aplikasi Navigasi Peta dengan Engenalan Suara Menggunakan Pendekatan Agile Process dengan Model Extreme Programming Berbasis Android

Sebuah peta dalam bentuk kertas dapat memberikan informasi mengenai lokasi yang dituju seseorang. Namun seiring dengan kemajuan teknologi, peta kertas mulai tergantikan oleh peta dalam format digital. Tidak seperti pada peta kertas yangdapat terlipat, memuai atau sobek ketika disimpan, peta digital dapat dikembalikan ke bentuk asalnya kapanpun tanpaada penurunan kualitas. Selain itu, peta digital lebih mudah diperbaharui. Penyuntingan untuk keperluan Perubahan data atauperubahan sistem koordinat misalnya, dapat lebih mudah dilakukan menggunakan perangkat lunak tertentu. Dengan adanya perkembangan teknologi informasi saat ini yang sangatlah pesat sehingga penerapan teknologi informasi dapat dimanfaatkan pada kehidupan manusia. Salah satu teknologi Sistem Operasi yang berkembang pesat saat ini adalah Android. Sistem operasi Android adalah sistem operasi berbasis Linux untuk smartphone yang menyediakan platformterbuka bagi para pengembang untuk menciptakan suatu aplikasi. Extreme Programming merupakan salah satu model yang ada dalam pendekatan Agile Process (pengembanganperangkat lunak jangka pendek). Extreme Programming mencoba meningkatkan efisiensi dan fleksibilitas melalui berbagaiprinsip dan teknik praktis pengembangan perangkat lunak. Berdasarkan hal tersebut penulis mencoba membuat aplikasinavigasi dan informasi peta menggunakan pengenalan suara melalui model Extreme Programming. Aplikasi inidiharapkan dapat membantu mempermudah pengguna dalam melakukan pencarian lokasi dan rute dari suatu tempat ketempat lain yang ingin dituju dan dapat diakses melalui ponsel atau tablet berbasis Android

The predictive effects of motivation toward learning science on TIMSS grade 8 students' science achievement: A comparative study between Malaysia and Singapore.

TIMSS routinely presents very powerful evidence showing that students with more positive motivation toward learning science have substantially higher achievement. The results from TIMSS 2011 are consistent with previous assessments. This study explored the predictive effects of motivation toward learning science on science achievement among Malaysian and Singaporean eighth graders who participated in the TIMSS 2011. In this study, students’ interest in and liking of learning science, students’ understanding about the importance and the usefulness of the science subject, and students’ self-confidence or self-concept in their ability to learn science were measured. Secondary data of the study were obtained from 5,733 Malaysian students and 5,927 Singaporean students who participated in the TIMSS 2011. The results of the present study indicated that eighth-graders’ liking and valuing of learning science were positively associated with Malaysian and Singaporean Grade 8 students’ science achievement

From Poincare to affine invariance: How does the Dirac equation generalize?

A generalization of the Dirac equation to the case of affine symmetry, with SL(4,R) replacing SO(1,3), is considered. A detailed analysis of a Dirac-type Poincare-covariant equation for any spin j is carried out, and the related general interlocking scheme fulfilling all physical requirements is established. Embedding of the corresponding Lorentz fields into infinite-component SL(4,R) fermionic fields, the constraints on the SL(4,R) vector-operator generalizing Dirac's gamma matrices, as well as the minimal coupling to (Metric-)Affine gravity are studied. Finally, a symmetry breaking scenario for SA(4,R) is presented which preserves the Poincare symmetry.Comment: 34 pages, LaTeX2e, 8 figures, revised introduction, typos correcte