1. A method, comprising:
measuring, by a system comprising a processor, within a wide frequency band, power levels of received signals in specified frequency bands;
determining, by the system, an average composite wideband power level that excludes a portion of the power levels of the received signals;
detecting, by the system, interference according to an adaptive threshold based on the average composite wideband power level; and
configuring, by the system, a filter to suppress at least a portion of the interference.
2. The method of claim 1, wherein each of the specified frequency bands has a bandwidth that is smaller than the wide frequency band.
3. The method of claim 1, wherein the system comprises a portable communication device.
4. The method of claim 1, wherein the adaptive threshold has a power level that exceeds the average composite wideband power level.
5. The method of claim 1, wherein the detecting of the interference according to the adaptive threshold comprises detecting a plurality of interferers having power levels that exceed the adaptive threshold.
6. The method of claim 1, wherein the configuring of the filter comprises adjusting, by the system, a bandwidth of the filter.
7. The method of claim 6, wherein the filter comprises a plurality of adjustable notch modules, and wherein the adjusting of the bandwidth of the filter comprises adjusting one or more of the plurality of adjustable notch modules to configure an adjustable bandwidth of the filter.
8. The method of claim 7, wherein the plurality of adjustable notch modules are cascaded.
9. A device, comprising:
a filter adapted to receive signals from a wireless receiver and having a selectable bandwidth; and
a circuit coupled to the filter, wherein execution of instructions by the circuit cause the circuit to perform operations comprising:
measuring, within a wide frequency band, power levels to obtain measured power levels in frequency bands from signals provided by the wireless receiver;
determining an average power level that excludes the measured power levels of a portion of the frequency bands;
detecting interference from the signals according to a threshold based on the average power level; and
modifying the selectable bandwidth of the filter to suppress at least a portion of the interference.
10. The device of claim 9, wherein the device comprises a base station or a wireless access point.
11. The device of claim 9, wherein the detecting the interference from the signals comprises detecting a plurality of interferers having power levels that exceed the threshold.
12. The device of claim 9, wherein the filter comprises a plurality of selectable notch modules, wherein the selectable bandwidth of the filter is based on a selection of the plurality of selectable notch modules.
13. The device of claim 12, wherein modifying the selectable bandwidth comprises modifying a selectable bandwidth of one or more of the plurality of selectable notch modules.
14. The device of claim 12, wherein the plurality of selectable notch modules are cascaded.
15. The device of claim 9, wherein the circuit is a processor, and wherein the instructions are computer instructions executed by the processor.
16. A memory device, comprising instructions, wherein responsive to a circuit executing the instructions, the circuit performs operations comprising:
obtaining measured power levels in frequency bands of signals provided over a wide frequency band;
determining an average power level that excludes a portion of the power levels;
obtaining historical information based on prior measurements of power levels over the wide frequency band;
detecting from the signals, interference based on the historical information and a threshold based on the average power level, a plurality of the power levels obtained or a combination thereof; and
modifying a scalable bandwidth of a filter to suppress at least a portion of the interference.
17. The memory device of claim 16, wherein the circuit is utilized by a wireless base station, a wireless access point, or a wireless portable communication device.
18. The memory device of claim 16, wherein the detecting of the interference further comprising detecting the interference based on an interference probability determined from the historical information.
19. The memory device of claim 18, wherein the operations further comprise identifying a probability of interference in the frequency bands based on the historical information, wherein a first portion of the frequency bands has a higher probability of interference than a second portion of the frequency bands.
20. The memory device of claim 19, wherein the detecting of the interference comprises observing power levels in the first portion of the frequency bands before observing power levels in the second portion of the frequency bands.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An apparatus, comprising:
an inlet, including a peripheral wall formed to define a pathway along which gaseous, fluidic and particulate matter flow; and
two or more nets sequentially disposed in the pathway, the two or more nets being suspended on the peripheral wall with substantially no clearance between each of the two or more nets and the peripheral wall and held sufficiently loosely to permit relative movement of each of the two or more nets such that an effective pore size of the two or more nets is variable over time to encourage fluidic condensation at the two or more nets and to permit a relatively substantial portion of the gaseous and particulate matter to continue to flow.
2. The apparatus according to claim 1, wherein the apparatus comprises a gas turbine.
3. The apparatus according to claim 1, wherein the two or more nets each have pore sizes of less than about 1 mm.
4. The apparatus according to claim 1, wherein the two or more nets comprise a Raschel Weave.
5. The apparatus according to claim 1, wherein the two or more nets comprise a shade netting with shade performance of about 35% to about 80%.
6. The apparatus according to claim 1, wherein the relative movement is more than about 5 cm.
7. The apparatus according to claim 1, wherein the relative movement is up to half a perpendicular length of either of the two or more nets.
8. The apparatus according to claim 1, wherein a substantially entire periphery of each of the two or more nets is connected to the peripheral wall.
9. The apparatus according to claim 1, wherein the two or more nets each have a substantially similar tension.
10. The apparatus according to claim 1, wherein the two or more nets each have a unique tension.
11. The apparatus according to claim 1, wherein the fluidic condensation occurs at least at one of the two or more nets.
12. The apparatus according to claim 1, wherein the two or more nets are oriented substantially perpendicularly with respect to a predominant direction of gaseous, fluidic and particulate matter flow along the pathway.
13. The apparatus according to claim 1, wherein the two or more nets are disposed sufficiently vertically whereby gravitational drainage of condensed fluid is encouraged.
14. The apparatus according to claim 1, wherein the two or more nets are disposed in parallel with one another.
15. The apparatus according to claim 1, wherein the two or more nets are disposed transversely with respect to one another.
16. An apparatus, comprising:
an inlet, including a peripheral wall formed to define a pathway along which gaseous, fluidic and particulate matter flow;
two or more nets sequentially disposed in the pathway;
a suspension coupled to the peripheral wall and the two or more nets to suspend the two or more nets on the peripheral wall with substantially no clearance between each of the two or more nets and the peripheral wall and with the two or more nets held sufficiently loosely to permit relative movement of each of the two or more nets such that an effective pore size of the two or more nets is variable over time to encourage fluidic condensation at the two or more nets and to permit a relatively substantial portion of the gaseous and particulate matter to continue to flow; and
a drainage system into which the condensed fluid drains off of the two or more nets.
17. The apparatus according to claim 16, wherein the suspension is coupled to a substantial entirety of a periphery of each of the two or more nets.
18. The apparatus according to claim 16, wherein the suspension comprises a single suspension for the two or more nets.
19. The apparatus according to claim 16, wherein the suspension comprises a separate sub-suspension for each of the two or more nets.
20. The apparatus according to claim 19, wherein each sub-suspension comprises:
a pocket neck extrusion, to which an entire periphery of one of the two or more nets is attached;
an inner frame to define a pocket to retain the pocket neck extrusion; and
an outer frame, attached to the peripheral wall, in which the inner frame is supported.
21. The apparatus according to claim 20, wherein the entire periphery is sewn to the pocket neck extrusion.
22. The apparatus according to claim 20, wherein the inner frame comprises:
a frame structure defining an interior; and
a member coupled to the frame structure to define the pocket.
23. The apparatus according to claim 22, wherein the pocket neck extrusion is received within the interior and, once received, oriented for disposition in the pocket.
24. The apparatus according to claim 20, wherein the outer frame comprises:
a base attachable to the peripheral wall;
sidewalls extending from opposing ends of the base; and
a notch positioned along a mid-section of one of the sidewalls.
25. The apparatus according to claim 24, wherein the inner frame is insertible into the outer frame between the sidewalls and between the base and the notch.
26. The apparatus according to claim 20, wherein no combination of axial or radial forces applied by the one of the two or more nets removes the pocket neck extrusion from the pocket or the inner frame from the outer frame.
27. An apparatus, comprising:
an inlet, including a peripheral wall formed to define a pathway along which gaseous, fluidic and particulate matter flow;
a first net disposed in the pathway;
a second net disposed in the pathway downstream from the first net;
a suspension coupled to the peripheral wall and the first and second nets to suspend the first and second nets on the peripheral wall with substantially no clearance between each of the first and second nets and the peripheral wall and with the first and second nets held sufficiently loosely to permit relative movement of each of the first and second nets such that an effective pore size of the first and second nets is variable over time to encourage fluidic condensation and to permit a relatively substantial portion of the gaseous and particulate matter to continue to flow; and
a drainage system into which the condensed fluid drains off of the first and second nets.