Data extraction for 20 MHz antenna signals of solar bursts type III 1 and type III 2

Other Title(s)

استخلاص البيانات ل 20 ميغهيرتز اشارة الهوائي للنبضات الشمسية من نوع III و 2 III 1

Dissertant

Ashur, Samir Faiq

Thesis advisor

Abbud, Kamal Muhammad

Comitee Members

al-Birmani, Muhammad Jafar Fadil
al-Abbudi, Bushra Qasim
Kazim, Ala Baqir

University

University of Baghdad

Faculty

College of Science

Department

Astronomy and Space Department

University Country

Iraq

Degree

Master

Degree Date

2013

English Abstract

In this work we studied Solar Radio Bursts were amongst the first phenomena identified as targets for radio astronomy.

Solar radio bursts at frequencies below a few hundred MHz were classified into 5 types in the 1960s:- Type I, Type II, Type III, Type IV, and Type V.

The classification of radio burst is based primarily on its appearance on a dynamic spectrum.

We have studied, analyzed these bursts and identified the significant frequencies and classified it especially of Type III bursts are the most common type of solar radio activity; they are referred to as fast drift bursts from high to lower frequencies, this type divided into two types are :- Type III/1 and Type III/2 .

We have opened the files in extension *.spd (Sky Pipe Data) of type III bursts by writing a Visual Basic language program then using MATLAB language to find Fast Fourier Transform (FFT), Power Spectral Density (PSD) and the significant frequencies of type III solar radio bursts.

The Results showed that the significant frequencies of the solar radio burst for type III/1 found to be within the range of (170Hz ≤ ƒ ≤ 195Hz), while that for type III/2 found to be within the range of (60 Hz ≤ ƒ ≤ 85 Hz).

Main Subjects

Astronomy

Topics

• Astronomy
• Measurement

No. of Pages

81

Table of Contents

• APA
• MLA
• AMA

Language

English

Data Type

Arab Theses

Record ID

BIM-604320