Q. In ionosphere propagation, waves arriving at the receiving antenna using the phenomenon of _______

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Q. Power density is basically termed as ________ power per unit area.

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Q. Empirical approach is based on fitting curve or analytical expressions.

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Q. Which of the following is not a practical path loss estimation technique?

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Q. Average received signal power decreases __________ with distance.

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Q. What does path loss exponent indicates?

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Q. The reference distance should not be in the far field of the antenna.

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Q. Which distribution describes the shadowing effect?

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Q. Log normal shadowing is a phenomenon that occurs with same T-R separation having same level clutter on the propagation path.

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Q. Log normal shadowing implies that measured signal levels at specific T-R separation have ______ distribution when signal levels have values in dB units.

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Q. A link budget is accounting of all __________

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Q. Antenna’s efficiency is given by the ratio of __________

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Q. Which of the following is not an outdoor propagation model?

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Q. Longley –Rice model is applicable to _________

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Q. Longley-Rice prediction model is also referred as _________

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Q. The extra term for additional attenuation due to urban clutter near the receiving antenna is called __________

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Q. Longley Rice model’s merit is to provide corrections due to environmental factors.

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Q. Which method is used by Edwards and Durkin algorithm to calculate the loss associated with diffraction edges?

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Q. Durkin’s model can read digital elevation map.

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Q. Which of the most widely used model for signal prediction in urban areas?

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