(廿一)MIT公开课雷达系统工程之电子子对抗(ECM)

发布时间 2023-08-15 08:47:12作者: SymPny

0 写在前面

彻底疯狂~

MIT公开课《雷达系统导论》与《雷达系统工程》的最后一讲,感谢关注,支持,希望能起到一定作用。

1 基本介绍

Radar Environment:

基本介绍:

2 电子对抗措施

2.1 Masking

Masking ECM against Radar:

2.1.1 Passive Masking

Attributes of Chaff:

Chaff Reflectivity and Density:

Chaff Properties:

Frequency Response of Resonant Chaff:

RCS of Multi-band Chaff Package:

Theoretical Number of Chaff Dipoles Required per Square Meter of RCS:

AN/ANE-38 Chaff-Dispensing System:

Chaff Dispersal Scenario:

Start of Chaff Dispersal:

Movie of Chaff Dispersal:

Sequential PPI Displays of Chaff Deployment and Drift by Wind:

Range - Height Displays of Chaff Cloud:

Automated Tracker Output on Aircraft During Chaff Exercise:

2.1.2 Active Masking

US Radar Jamming Systems:

Active Masking:

Review - Radar Range Equation:

Review - Radar Range Equation (continued):

Jammer Noise Power at Radar:

Jammer Radar Range Equation (continued):

Standoff Jamming:

Example # 1a Standoff Spot Mainlobe Jamming:

Example # 1b Standoff Barrage Sidelobe Jamming:

Example # 1c Standoff Spot Sidelobe Jamming:

Example # 1d Standoff Barrage Sidelobe Jamming:

Escort Screening Jamming:

Example # 2a Escort Spot Mainlobe Jamming:

Example # 2b Escort Barrage Mainlobe Jamming:

Self Screening Jamming:

Example # 3 Self-Screening Range Calculation:

2.2 Deception

Deception ECM against Radar:

Passive Deception:

Active Deception:

Active Deception (continued):

2.3 Destruction

Destructive ECM against Radar:

Decoys:

3 电子反对抗措施

ECCM Against Passive Masking:

ECCM Against Active Masking - General:

ECCM Against Active Masking - Methods:

ECCM Against Active Masking - Sidelobe Jamming:

ECCM against Active Masking - Mainlobe Jamming:

ECCM against Deception:

ECCM against Destructive ECM:

4 总结讨论

Summary:

5 参考文献

[1] 百度翻译

[2] MIT 公开课: Radar Systems Engineering