Method for implementing continuous radio frequency (RF) alignment in advanced electronic warfare (EW) signal stimulation systems
First Claim
Patent Images
1. A method for using a “
- B”
channel of a dual channel measurement receiver as a transfer standard for power measurement, the method comprising;
correlating a measurement made with an “
A”
channel of the dual channel measurement receiver to a measurement made with an RF Power Meter on one RF signal source, so that readings from the “
A”
channel are aligned to the RF Power Meter;
aligning the “
B”
Channel to the “
A”
Channel, once the “
A”
channel has been aligned to read the same as the RF Power Meter; and
using the “
B”
Channel as a transfer standard to measure all remaining RF signal sources in the system.
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Abstract
A method for using a “B” channel of a dual channel measurement receiver as a transfer standard for power measurement, which may include, in an exemplary embodiment, correlating a measurement made with an “A” channel of the dual channel measurement receiver to a measurement made with an RF Power Meter on one RF signal source, so that readings from the “A” channel are aligned to the RF Power Meter; aligning the “B” Channel to the “A” Channel, once the “A” channel has been aligned to read the same as the RF Power Meter; and using the “B” Channel as a transfer standard to measure all remaining RF signal sources in the system.
42 Citations
22 Claims
-
1. A method for using a “
- B”
channel of a dual channel measurement receiver as a transfer standard for power measurement, the method comprising;correlating a measurement made with an “
A”
channel of the dual channel measurement receiver to a measurement made with an RF Power Meter on one RF signal source, so that readings from the “
A”
channel are aligned to the RF Power Meter;aligning the “
B”
Channel to the “
A”
Channel, once the “
A”
channel has been aligned to read the same as the RF Power Meter; andusing the “
B”
Channel as a transfer standard to measure all remaining RF signal sources in the system.
- B”
-
2. A method, the method comprising:
-
calculating an amplitude correction factor by taking a difference in a measurement made with an “
A”
channel of a dual channel measurement receiver on a first RF signal source with a measurement made with an RF Power Meter on the first RF signal source; andidentifying an aligned measurement from the “
A”
channel by applying the amplitude correction factor to the measurement made with the “
A”
channel.
-
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3. The method of claim 2, further comprising:
-
comparing a measurement made with a “
B”
Channel of the dual channel measurement receiver with the aligned measurement from the “
A”
Channel;aligning the “
B”
Channel based on the comparing step; andusing the “
B”
Channel as a transfer standard to align a second RF signal source.
-
-
4. The method of claim 3, wherein the aligning step further comprises:
identifying an External Amplitude Correction Factor (EACF) by calculating a difference between the measurement made with the “
B”
Channel with the aligned measurement from the “
A”
Channel.
-
5. The method of claim 3, wherein the using step further comprises:
identifying an Internal Alignment Amplitude Correction Factor (IAACF) by correlating the measurement made with the “
B”
Channel with the measurement made with the “
A”
Channel.
-
6. The method of claim 3, wherein the “
- A”
Channel and the “
B”
Channel time-share access to a synthetic stimulus instrument (SSI) serving as a tunable local oscillator (LO).
- A”
-
7. The method of claim 2, wherein the measurement made with the “
- A”
Channel is a measurement of an Internal Measurement Path (IMP) of an SSI.
- A”
-
8. The method of claim 7, wherein the measurement made with the RF Power Meter is a measurement of a path external to the SSI.
-
9. A non-transitory computer-readable medium comprising storing computer readable program code, which when executed by a computer system causes the computer system to perform:
-
calculating an amplitude correction factor by taking a difference in a measurement made with an “
A”
channel of a dual channel measurement receiver on a first RF signal source with a measurement made with an RF Power Meter on the first RF signal source; andidentifying an aligned measurement from the “
A”
channel by applying the amplitude correction factor to the measurement made with the “
A”
channel.
-
-
10. The non-transitory computer-readable medium of claim 9, further comprising code for:
-
comparing a measurement made with a “
B”
Channel of the dual channel measurement receiver with the aligned measurement from the “
A”
Channel;aligning the “
B”
Channel based on the comparing step; andusing the “
B”
Channel as a transfer standard to align a second RF signal source.
-
-
11. The non-transitory computer-readable medium of claim 10, wherein the aligning step further comprises:
identifying an External Amplitude Correction Factor (EACF) by calculating the difference between the measurement made with the “
B”
Channel with the aligned measurement from the “
A”
Channel.
-
12. The non-transitory computer-readable medium of claim 10, wherein the using step further comprises:
identifying an Internal Alignment Amplitude Correction Factor (IAACF) by correlating the measurement made with the “
B”
Channel with the measurement made with the “
A”
Channel.
-
13. The non-transitory computer-readable medium of claim 10, wherein the “
- A”
Channel and the “
B”
Channel time-share access to a synthetic stimulus instrument (SSI) serving as a tunable local oscillator (LO).
- A”
-
14. The non-transitory computer-readable medium of claim 9, wherein the measurement made with the “
- A”
Channel is a measurement of an Internal Measurement Path (IMP) of an SSI.
- A”
-
15. The non-transitory computer-readable medium of claim 14, wherein the measurement made with the RF Power Meter is a measurement of a path external to the SSI.
-
16. A computer-implemented method, the method comprising:
-
calculating, using at least one computing platform, an amplitude correction factor by taking a difference in a measurement made with an “
A”
channel of a dual channel measurement receiver on a first RF signal source with a measurement made with an RF Power Meter on the first RF signal source; andidentifying an aligned measurement from the “
A”
channel by applying the amplitude correction factor to the measurement made with the “
A”
channel.
-
-
17. The computer-implemented method of claim 16, further comprising:
-
comparing a measurement made with the “
B”
Channel of the dual channel measurement receiver with the aligned measurement from the “
A”
Channel;aligning the “
B”
Channel based on the comparing step; andusing the “
B”
Channel as a transfer standard to align a second RF signal source.
-
-
18. The computer-implemented method of claim 17, wherein the aligning step further comprises:
identifying an External Amplitude Correction Factor (EACF) by calculating a difference between the measurement made with the “
B”
Channel with the aligned measurement from the “
A”
Channel.
-
19. The computer-implemented method of claim 17, wherein the using step further comprises:
identifying an Internal Alignment Amplitude Correction Factor (IAACF) by correlating the measurement made with the “
B”
Channel with the measurement made with the “
A”
Channel.
-
20. The computer-implemented method of claim 17, wherein the “
- A”
Channel and the “
B”
Channel time-share access to a synthetic stimulus instrument (SSI) serving as a tunable local oscillator (LO).
- A”
-
21. The computer-implemented method of claim 16, wherein the measurement made with the “
- A”
Channel is a measurement of an Internal Measurement Path (IMP) of an SSI.
- A”
-
22. The computer-implemented method of claim 21, wherein the measurement made with the RF Power Meter is a measurement of a path external to the SSI.
Specification
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Current AssigneeAAI Corporation (Textron Inc)
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Original AssigneeAAI Corporation (Textron Inc)
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InventorsJaklitsch, James J., Markey, Jay, McGrath, Thomas P.
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Primary Examiner(s)LE, THANH C
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Application NumberUS13/040,635Publication NumberTime in Patent Office424 DaysField of Search455/67.11, 455/67.14, 455/205, 455/209, 455/226.1, 455/226.2, 455/26.4, 455/296, 455/303, 375/224, 324/76.21, 324/76.22, 324/76.52US Class Current455/226.2CPC Class CodesG01R 31/2841 Signal generatorsG01R 35/005 Calibrating; Standards or r...
