---
# System prepended metadata

title: HW08
tags: [Satellite Electrical, ' ss', ' ncu']

---

---
tags: Satellite Electrical, ss, ncu
author: N0-Ball
title: HW08
GA: UA-208228992-1
---

# Question

1. 請描述衛星電子元件在輻射環境下，會有哪4種主要的效應
2. 請描述我們在選擇衛星通訊零件時，主要會考慮哪9項因素
3. 請描述哪些情況下我們會用到衛星通訊

## Ans

### 1.

1. Single Event Latchup (SEL)
2. Single Event Upset (SEU)
3. Single Event Functional interrupt (SEFI)
4. Single Event Burnout (SEB)

### 2.

1. Performance
2. Complexity
3. Power
4. Size
5. Cost 
6. Weight
7. Radiation hard
8. Availability

### 3.

1. Space experiments
2. Space to Earth Communications
3. GPS
4. AIS
5. Place without cotex wire
6. Telephones
