MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Antennas knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
As the order of the polynomial increases, the slope becomes steeper. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
All the nulls occur at (-1, 1) in the Chebyshev polynomial. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
All the polynomials of the order m pass through the point ____________ |
| A. | (1, 1) |
| B. | (0, 0) |
| C. | (0, 1) |
| D. | (-1, 0) |
| Answer» B. (0, 0) | |
| 4. |
Which of the following properties of Chebyshev polynomial is false? |
| A. | The minor lobes have unequal amplitudes |
| B. | The polynomial T<sub>m</sub>(x) is symmetric for m = even |
| C. | The polynomial T<sub>m</sub>(x) crosses the x axis m times between -1 and 1 |
| D. | Minor lobes exists for |x| < 1 |
| Answer» B. The polynomial T<sub>m</sub>(x) is symmetric for m = even | |
| 5. |
Which of the following statements regarding Chebyshev polynomial is true? |
| A. | The polynomial T<sub>m</sub>(x) is symmetric for m = even |
| B. | The polynomial T<sub>m</sub>(x) is symmetric for m = odd |
| C. | The polynomial T<sub>m</sub>(x) is anti-symmetric for m = even |
| D. | The polynomial T<sub>m</sub>(x) is symmetric for m = even and odd |
| Answer» B. The polynomial T<sub>m</sub>(x) is symmetric for m = odd | |
| 6. |
The condition for the existence of the main lobe according to the Chebyshev is _________ |
| A. | |x| > 1 |
| B. | |x| < 1 |
| C. | |x| = 0 |
| D. | 2|x| > 1 |
| Answer» B. |x| < 1 | |
| 7. |
What is the possible level from the following for the minor lobe when the main beam level is at 50db and SLL at 10 db according to Chebyshev? |
| A. | 40dB |
| B. | 45dB |
| C. | 50dB |
| D. | 80dB |
| Answer» B. 45dB | |
| 8. |
How many times the polynomial T5(x) crosses the x-axis between [-1, 1]? |
| A. | 5 |
| B. | 4 |
| C. | 2 |
| D. | 6 |
| Answer» B. 4 | |
| 9. |
Which of the following statement is true about the Chebyshev function Tm(x)? |
| A. | It is a continuously increasing function after x=1 |
| B. | It is a continuously decreasing function after x=1 |
| C. | It is a continuously increasing function after x=0 |
| D. | It is a continuously decreasing function after x=0 |
| Answer» B. It is a continuously decreasing function after x=1 | |