بنك الاسئلة ESR 2010 1ST 331
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Question (1)
Define the following:
1-
Focal Length : The distance
between camera length and the Film
2-
Nadir Point : the
intersection point of flight sight and the surface of the Earth
3-
Average scale of aerial photograph: = Focal Length / Flight
Height
Question (2):
What are the distortions
of aerial photographs formed by the lenses?
Answer : Short
Description as in the Lectures
عيوب
الصور المتكونة بواسطة العدسات
Question (3)
Explain shortly the composition and uses of following instruments:
1- Mirror Stereoscope?
2- Parallax bar?
3- Sketchmaster?
Answer : Short
Description as in the Lectures
Question (4)
1-
Explain how can you
calculate the horizontal ground distance between two points on aerial
photographs?
2-
Write shortly about the
Relief (Radial) displacement?
Answer : Short
Description as in the Lectures
Question (5)
1- What are the factors affecting vertical exaggeration?
2- إذا كان مقياس
الرسم المطلوب لصور جوية رأسية هو 1: 20000 ، وكان منسوب سطح الأرض يتراوح بين
200 و 1000 متر فأوجد ارتفاع الطيران
اللازم إذا كان البعد البؤري لعدسة الة التصوير
30 سم.
Answer:
مقياس الرسم =
البعد البؤري \ ارتفاع الطيران – ارتفاع النقطة
1\ 20000 = 0.30 \ ع – ( 1200 \ 2)
ع = 6600 متر
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