Antenna Handbook - Fundamentals and Mathematical Techniques by Y.T. Lo, S. W. Lee

By Y.T. Lo, S. W. Lee

Quantity 1: Antenna basics and Mathematical recommendations opens with a dialogue of the basics and mathematical suggestions for any form of paintings with antennas, together with simple ideas, theorems, and formulation, and strategies. DLC: Antennas (Electronics)

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13). LCA is defocus. With the stop away from the lens, we have also transverse chromatic aberration (TCA). 48 3 Aberrations Fig. 13 Longitudinal chromatic aberration ds0 Àdn s0 ¼ nÀ1 Fig. 14 Transverse chromatic aberration dM Àdn M ¼ nÀ1 Fig. 15 Longitudinal and transverse chromatic aberration, ‘‘blue rays’’ are denoted by broken lines The chief ray for blue intersects the image plane nearer to the axis (see Fig. 14) TCA is a magnification error. In Fig. 14 we did not draw other rays than the chief ray.

1007/978-94-017-8685-0_2, Ó Springer Science+Business Media Dordrecht 2014 25 26 2 Optical Instruments (Paraxial Approximation) Fig. 1 A simple camera The lens of a film camera (and also a film projection lens) should have a better resolution over a smaller field (8 or 16 mm). With a CCD as target in a camera, the pixel size is related to the required resolution. 010 mm should be sufficient. In our review of camera lenses in Sect. 1 we will see that a resolution of 30 periods per mm is standard for modern camera lenses.

20. In this figure a, b, c, denote the edge images in object space, and a0 , b0 , c0 those in image space. It follows that a0 , b0 , c0 are the paraxial images of a, b, c. We find the limiting ray from P through the system by looking which of the edge images spans up the smallest angle. In the figure this is c. The diaphragm that corresponds to c is called the aperture stop. The ray from P through the edge of edge-image c, and also through the edge of the aperture stop and through the edge of c0 is called marginal ray.

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Antenna Handbook - Fundamentals and Mathematical Techniques by Y.T. Lo, S. W. Lee
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