Dual frequency transmission apparatus for frequency-agile radar systems utilizing MTI techniques
Patent 4155088 Issued on May 15, 1979. Estimated Expiration Date: 
May 15, 1996. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 15, 1996. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3015819 3165738 InventorsAssigneeApplicationNo. 04/617151 filed on 02/20/1967US Classes:342/131, Combined with pulse modulation (e.g., frequency agile)342/160, MTI (Moving target indicator)342/201Combined with pulse modulationExaminersPrimary: Wilbur, Maynard R.Assistant: Goodwin, Lawrence International ClassesG01S 13/00 (20060101)G01S 13/24 (20060101) G01S 13/52 (20060101) AbstractThis invention discloses pulse radar apparatus for the transmission of radar pulses having a pair of frequencies in each rf pulse. One of the frequencies transmitted in each pulse is repeated in the succeeding pulse while the other frequency is changed to a new frequency. Moreover, the repeated frequency appears in the same relative position in the pulse pair as in its original occurrence. | |
