(十七)MIT公开课雷达系统工程之参数估计与跟踪 (上)

0 写在前面

只有走在路上,才能摆脱局限、摆脱执着,让所有的选择、探寻、猜测、想象都生机勃勃。——余秋雨《文化苦旅》

1 基本介绍

跟踪雷达:

雷达参数估计:

准确度、精度和分辨率:

2 Observable Estimation

Observable Accuracy:

Limitations on Range Estimation:

Theoretical vs. Practical Accuracy Limitations:

Angle Estimation Issues:

Limitation on Angle Estimation:

Angular Accuracy with ASR Radar:

Doppler Estimation:

Radar Cross Section Measurement Accuracy):

3 单目标跟踪

3.1 角跟踪技术

3.1.1 比幅单脉冲

Single Target Tracking - General:

Basics of Continuous Angle Tracking:

Amplitude Comparison Monopulse:

Monopulse Antenna Patterns and Error Signals:

Four Horn Monopulse Block Diagram:

Two Dimensional- Four Horn Monopulse:

Monopulse Error Pattern:

Functional Diagram of Monopulse Radar:

Microwave Combining Network:

Three Types of Hybrid Junctions:

Hybrid Junctions for Monopulse Radars:

Hybrid Junctions Used in Monopulse Radar:

Hybrid Junctions Used in Monopulse Radar:

Monopulse Processor:

S Band Monopulse Feed with X Band Center Feed:

Twelve Horn Monopulse Feed:

Glint (Angle Noise):

Low Angle Tracking:

Measured Low Angle Tracking Error:

3.1.2 比相单脉冲

Phase Comparison Monopulse:

Comparison of Monopulse Antenna Beams:

Angle Estimation with Antenna Arrays:

3.1.3 Sequential lobing

Sequential Lobing Angle Measurement:

Sequential Lobing Angle Measurement:

3.1.4 Conical scanning

Conical Scan Tracking Concept:

Conical Scan Pulse Trains:

Block Diagram of Conical Scan Radar:

Beam-Splitting:

Angle Estimation with Scanning Radar: Multiple Pulse Angle Estimation。

Angle Estimation with Scanning Radar: Multiple Pulse Angle Estimation。

Angle Estimation with Array Antennas:

3.2 距离跟踪

Split Gate Range Tracking:

Multi Target Tracking in Range, Angle, and Doppler:

3.3 Servo systems

Antenna Servo Systems:

Servo Bandwidth:

Bounds on Servo Resonant Frequency:

3 总结讨论

4 参考文献

[1] 百度翻译

[2] MIT 公开课: Radar Systems Engineering

posted @ 2023-08-15 08:41  SymPny  阅读(29)  评论(0编辑  收藏  举报