MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Antennas knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In Chebyshev array which of the following is approximated to the Chebyshev polynomial? |
| A. | Array factor |
| B. | HPBW |
| C. | Side lobe level |
| D. | Range equation |
| Answer» B. HPBW | |
| 2. |
What is the HPBW of the Dolph Chebyshev array if the broadening factor is 2 and HPBW of uniform array is 30°? |
| A. | 30° |
| B. | 60° |
| C. | 90° |
| D. | 120° |
| Answer» C. 90° | |
| 3. |
Which of the following represents the chebyshev recursive formula? |
| A. | Tm(z) = 2zTm-1(z) – Tm-2(z) |
| B. | Tm(z) = zTm-1(z) – 2Tm-2(z) |
| C. | Tm(z) = 2Tm-1(z) – zTm-2(z) |
| D. | Tm(z) = Tm-1(z) – 2zTm-2(z) |
| Answer» B. Tm(z) = zTm-1(z) – 2Tm-2(z) | |
| 4. |
What should be the side lobe level to make Dolph Chebyshev to binomial array? |
| A. | -∞ dB |
| B. | 0 dB |
| C. | 1 dB |
| D. | 10dB |
| Answer» B. 0 dB | |
| 5. |
Dolph pattern uses which of the following polynomial approximation? |
| A. | Chebyshev |
| B. | Binomial |
| C. | Pascal’s |
| D. | Taylor |
| Answer» B. Binomial | |
| 6. |
Which of the following a method proposed to design array with any side lobes? |
| A. | Dolph-Chebyshev |
| B. | Binomial array |
| C. | Taylor |
| D. | Broad-side Array |
| Answer» B. Binomial array | |