Probability density function of random variable x is:
A. $$\int\limits_{ - \infty }^\infty {{f_x}\left( x \right)dx = 1} $$
B. $$\frac{{d{f_x}}}{{dx}}\left( x \right) = {F_x}\left( x \right)$$
C. $$0 \leqslant \int_x^{} {\left( x \right) \leqslant 1} $$
D. $$\int_x^{} {\left( x \right) = \int\limits_{ - \infty }^\infty {{F_x}\left( x \right)dx} } $$
Answer: Option A
This Question Belongs to Electronics And Communications Engineering >> Communication Systems
It is found that a ship to ship communication suffers from fading. This can be avoided by using
A. Space diversity
B. Frequency diversity
C. Broad band antenna
D. Directional antenna
A. A double-tuned amplifier
B. A high gain D.C. amplifier
C. A cathode follower stage
D. None of the above
A. Filter method
B. Phase cancellation method
C. Good attenuation characteristics
D. All of the above
Join The Discussion