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Qualitative and Quantitative Studies of the Effects of Spherical Aberration on the Optical System in the Cases of Coherent and Incoherent Illumination

In this paper, we study the effects of coherent and incoherent illumination on the optical imaging system. The effects were studied qualitatively in terms of Point Spread Function (PSF) and Modulation Transfer Function (MTF), and quantitatively in terms of Root Mean Square Error (RMSE). Different values of radius of aperture were investigated in the presence and absence of spherical aberration with various magnitudes of spherical aberration (M=1, 2, and 3). The experiments were performed using homogeneous media.

     The results show that imaging with incoherent illumination is better than imaging with coherent illumination, especially for small aperture. Also, we found that the effects of spherical aberration were increased under incoherent illumination and large aperture.

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Publication Date
Fri Jan 01 2016
Journal Name
Al–bahith Al–a'alami
Levels of Credibility of the Press within the Structural Model of Credibility

There is confusion between the concept of honesty and credibility arguing that their meaning is the same. ‘Credibility; is derived from the truth which means evidence of honesty, while ‘honesty’ means not lying and matching reality. The study of credibility begins globally at the end of the fifties of the second millennium to see the decline and refrain from reading newspapers, while it was studied in the Arab world in 1987. Global studies find several meanings of the concept of ‘credibility’ such as accuracy, completeness, transfer facts, impartiality, balance, justice, objectivity, trust, honesty, respect the freedom of individuals and community, and taking into account the traditions and norms.
Credibility has two dimens

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Publication Date
Thu Dec 30 2021
Journal Name
Iraqi Journal Of Science
The Intersection Graph of Subgroups of the Dihedral Group of Order 2pq

   For a finite group G, the intersection graph   of G is the graph whose vertex set is the set of all proper non-trivial subgroups of G, where two distinct vertices are adjacent if their intersection is a non-trivial subgroup of G. In this article, we investigate the detour index, eccentric connectivity, and total eccentricity polynomials of the intersection graph  of subgroups of the dihedral group  for distinct primes . We also find the mean distance of the graph  .

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Publication Date
Fri Sep 02 2022
Journal Name
Journal Of Legal Sciences
Extent of the permissibility of partial rescission of the contract: - comparative study

In bilateral contracts, if one of the contracting parties does not fully perform his obligation the other contracting party may ask the court to rescission the contract in full, but the failure to perform may be limited to part of his obligation, then the following question arises: Can the contract be partially rescission  ? It is noted that there is a great jurisprudential and judicial disagreement on this subject, And we ended up saying ​that it is not permissible for a court to order on partial rescission  without the approval of the creditor, because the judgment of partial rescission  requires to compel the creditor to accept partial payment, which is rejected under Article (392) of the Iraqi Civil law.

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Publication Date
Mon Aug 01 2022
Journal Name
Biannual Journal By Department Of Linguistic And Translation Studies In Bayt Al Hikma
Metaphorical meaning of parts of the human body in Russian

This article discusses some of the metaphorical use of language units. Here we will define the basic concepts and underline the causes of this phenomenon. Through research it is proven that through the application of names of some body parts achieves the variety of metaphorical meanings.

Publication Date
Sat Jan 12 2019
Journal Name
Journal Of The College Of Education For Women
Letters in the Dictionary of Ibn Jinnie Tongue of Arabs

We have chosen the subject of the research (the letters at Ibn Jinnie in the lexicon of the tongue of the Arabs) in order to know the opinion of Ibn Jinnie in this range of words and compare them with the opinions of scientists who preceded him to know the personality of this linguistic world.

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Publication Date
Mon Feb 04 2019
Journal Name
Journal Of The College Of Education For Women
The role of prophetic Sunna in solution of social problems

Allah created the human from clay and made the system of marriage between male
and female as a reason for life continuity and human staying. This system produced an
organization called (the society) which is defined as a group lived in limited time and place.
Islam put fundamental and conditions of the righteous society in the Holy Quran and
prophetic sunna. Islam also put the solutions for problems (if they got) , naturally, these
problems may happened because of the nature of the life.
The problem of the research is summarized by that the problems of the society
enlarged in our Islamic society more than time ago. In the same time , some solution are
imported from west and east and from scientist and ignorant wit

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Publication Date
Fri Jan 01 2021
Journal Name
Vestnik Of Lobachevsky University Of Nizhni Novgorod
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Publication Date
Tue May 01 2018
Journal Name
Journal Of Physics: Conference Series
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Publication Date
Wed Apr 01 2020
Journal Name
Technology Reports Of Kansai University
Publication Date
Sat Feb 09 2019
Journal Name
Journal Of The College Of Education For Women
Stages of God's creation of man in the Koran stu

Thanks allah and peace be upon our prophet muhammed and upon his family and his
followers……
The name is only called by the Almighty, One of the Names of the Creator Deity
features and slavery. He is the idol who worshiped.
The creator is derived from the creation of a sophisticated and significant from create Aharaz
for crust, and tailor the gown and the end of launch on God's creation of the creature, and this
release was a matter of metaphor One of the names of Allah, God is the creator himself is not
a partner Creator of all things, is the one who created
man from Nothingness began creating Adam peace be upon him and that he has passed the
stages in the process of creation, namely: He created him from du

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