NAFI TR-lUilO 



LIST OF FIGURES 



Page 



1. Conventional Passive Detection System 2 



2. Passive Sonar Situation 6 



3. Power Detector 9 



k. Relative Output SNR for Bandlimited Prewhitening 



System l6 



5. Comparison of Bandlimited Prewhitening System (SNRo) 



to Eckart Filter System (SWRqC")) 21 



6. Comparison of Bandlimited Eckart System (SKRo) to 

 Infinite Bandwidth Eckart System (SNRo(«^)) 2h 



7. Comparison of Bandlimited Prewhitening System (SWRq) 



to Bandlimited Eckart System (SKRo) 25 



8. Mismatched Loss for Eckart Filter 28 



LIST OF TABLES 



I. Comparison of Mismatching Losses 29 



II. Comparison of Minimum Worst Case Design to Optimum 

 Systems 32 



IV 



