1. A method comprising:
determining an impedance of a power distribution network of a load for a range of frequencies; and
adjusting a functionality of the load based on a relationship between the determined impedance of the power distribution network for the range of frequencies and the functionality of the load.
2. The method of claim 1, wherein the functionality includes an operating frequency of the load.
3. The method of claim 1, wherein the determining is performed automatically upon a power-on of the load.
4. The method of claim 1, wherein the determining of the impedance of the power distribution network includes measuring a voltage and a current for each frequency of the range of frequencies for the power distribution network.
5. The method of claim 1, wherein the range of frequencies is based on an operational specification of the load.
6. The method of claim 1, wherein the load includes a clock mechanism to control an operating frequency of the load.
7. The method of claim 6, wherein the load is at least one of a microprocessor, a multi-core microprocessor, a core of a multi-core microprocessor, an electronic load that operates as a function of a power distribution impedance, and combinations thereof.
8. An apparatus comprising:
a variable frequency generator to generate a signal at a plurality of frequencies;
a current sensor to sense a current;
a voltage sensor to sense a voltage; and
a controller to determine an impedance of a power distribution network, wherein the controller is operative to:
determine an impedance of a power distribution network for a range of frequencies; and
adjust a functionality of the load based on a relationship between the determined impedance of the power distribution network for the range of frequencies and the functionality of the load.
9. The apparatus of claim 8, wherein the adjusted functionality includes an operating frequency of the load.
10. The apparatus of claim 1, wherein the determining is performed automatically upon a power-on of the load.
11. The apparatus of claim 8, wherein a voltage and a current are measured for each frequency of the range of frequencies for the power distribution network.
12. The apparatus of claim 8, wherein the range of frequencies is based on an operational specification of the load.
13. The apparatus of claim 8, wherein the load includes a clock mechanism to control an operating frequency of the load.
14. The apparatus of claim 13, wherein the load is at least one of a microprocessor, a multi-core microprocessor, a core of a multi-core microprocessor, an electronic load that operates as a function of a power distribution impedance, and combinations thereof.
15. A computer storage medium having program instructions embodied thereon, the medium comprising:
program instructions to determine an impedance of a power distribution network for a range of frequencies; and
program instructions to adjust a functionality of the load based on a relationship between the determined power distribution impedance for the range of frequencies and the functionality of the load.
16. The medium of claim 15, wherein the functionality includes an operating frequency of the load.
17. The medium of claim 15, further comprising program instructions to performed the determining automatically upon a power-on of the load.
18. The medium of claim 15, wherein the determining of the impedance of the power distribution network for a range of frequencies includes measuring a voltage and a current for each frequency of the range of frequencies for the power distribution network.
19. The medium of claim 15, wherein the range of frequencies is based on an operational specification of the load.
20. The medium of claim 15, wherein the load includes a clock mechanism to control an operating frequency of the load.
21. The medium of claim 20, wherein the load is at least one of a microprocessor, a multi-core microprocessor, a core of a multi-core microprocessor, an electronic load that operates as a function of a power distribution impedance, and combinations thereof.
22. A system comprising:
a double data rate memory;
a variable frequency generator to generate a signal at a plurality of frequencies;
a current sensor to sense a current;
a voltage sensor to sense a voltage; and
a controller to determine an impedance of a power distribution network, wherein the controller is operative to:
determine an impedance of a power distribution network for a range of frequencies; and
adjust a functionality of the load based on a relationship between the determined impedance of the power distribution network for the range of frequencies and the functionality of the load.
23. The system of claim 19, wherein the adjusted functionality includes an operating frequency of the load.
24. The system of claim 19, wherein the load is at least one of a microprocessor, a multi-core microprocessor, a core of a multi-core microprocessor, an electronic load that operates as a function of a power distribution impedance and combinations thereof.
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. A method comprising:
directing a beam of ultraviolet light to a surface or space to achieve photodissociation of a target material of interest to produce photofragment molecules that fluoresce when excited by the ultraviolet light;
capturing Raman scattering and fluorescence from the surface or space;
generating Raman spectra and fluorescence spectra from the captured Raman scattering and fluorescence; and
analyzing the fluorescence spectra associated with the photofragment molecules and the Raman spectra of the target material to determine presence of the target material of interest on the surface or in the space.
2. The method of claim 1, wherein capturing the fluorescence and generating the fluorescence spectra are performed a period of time after or simultaneously with capturing the Raman scattering and generating the Raman spectra.
3. The method of claim 1, wherein analyzing comprises analyzing the Raman spectra and the fluorescence spectra, wherein the fluorescence spectra is associated with fluorescence emitted by nitric oxide produced by photodissociation of a nitro-based explosive target material when irradiated with the beam of ultraviolet light, and wherein determining comprises determining that the nitro-based explosive target material is present on the surfaced or in the space based on the fluorescence spectra and Raman spectra.
4. The method of claim 1, wherein analyzing comprises analyzing the Raman spectra and the fluorescence spectra, wherein the fluorescence spectra is associated with fluorescence emitted by hydroxyl radicals produced by photodissociation of a peroxide-based explosive target material when irradiated with the beam of ultraviolet light, and wherein determining comprises determining the presence the peroxide-based explosive target material on the surface or in the space based on the fluorescence spectra and Raman spectra.
5. The method of claim 1, wherein analyzing comprises analyzing the Raman spectra of the target material together with the fluorescence spectra that is associated with fluorescence emitted by hydroxyl radicals produced by photodissociation of the material when irradiated with the beam of ultraviolet light, and wherein determining comprises determining presence of an explosive target material on the surface or in the space based on the Raman spectra and the fluorescence spectra.
6. The method of claim 1, wherein directing comprises directing a single pulse of the beam of ultraviolet light to the surface or space, and capturing, generating and analyzing are performed with respect to Raman scattering and fluorescence induced by said single pulse.
7. The method of claim 1, wherein directing comprises directing a pulse of the beam of ultraviolet light at a first wavelength to achieve photodissociation and a pulse of the beam of ultraviolet light at a second wavelength to induce the fluorescence.
8. A system comprising:
a light source that is configured to produce a beam of ultraviolet light directed to a surface or space to achieve photodissociation of a target material of interest to produce photofragment molecules that fluoresce following excitation by the ultraviolet light;
an optical element subsystem that is configured to capture Raman scattering and fluorescence from the surface or space that may be induced by the beam of ultraviolet light;
at least one dispersive element that disperses the Raman scattering and the fluorescence;
at least one detector that generates Raman spectra and fluorescence spectra from dispersed Raman scattering and fluorescence; and
logic that is configured to analyze the fluorescence spectra associated with the photofragment molecules and the Raman spectra of the target material to determine presence of the target material of interest on the surface or in the space.
9. The system of claim 8, and comprising a first dispersive element configured to disperse the Raman scattering and a second dispersive element configured to disperse the fluorescence.
10. The system of claim 8, wherein the logic is configured to analyzes the Raman spectra and fluorescence spectra induced by a single pulse of the beam of ultraviolet light.
11. The system of claim 8, wherein at least one detector generates the fluorescence spectra a period of time after or simultaneously with the Raman spectra.
12. The system of claim 8, wherein the logic is configured to analyze the Raman spectra and the fluorescence spectra, wherein the fluorescence spectra is associated with fluorescence emitted by nitric oxide in response to the beam of ultraviolet light, wherein the nitric oxide is produced by photodissociation of the nitro-based explosive material when irradiated with the beam of ultraviolet light, and wherein the logic is further configured to detect the nitro-based explosive material as the target material based on the fluorescence spectra and Raman spectra.
13. The system of claim 8, wherein the logic is configured to analyze the Raman spectra and the fluorescence spectra, wherein the fluorescence spectra is associated with fluorescence emitted by hydroxyl radicals in response to the beam of ultraviolet light, wherein the hydroxyl radicals are produced by photodissociation of a peroxide-based explosive material when irradiated with the beam of ultraviolet light, and wherein the logic is further configured to detect the peroxide-based explosive material as the target material based on the fluorescence spectra and Raman spectra.
14. A method comprising:
interrogating a surface or space with a beam of ultraviolet light;
capturing Raman scattering associated with a target material of interest and fluorescence associated with at least one daughter photofragment molecule produced by photodissociation of the target material of interest;
generating Raman spectra and fluorescence spectra from the captured Raman scattering and fluorescence; and
analyzing the fluorescence spectra and the Raman spectra to determine presence of the target material of interest on the surface or in the space.
15. The method of claim 14, wherein capturing the fluorescence and generating the fluorescence spectra are performed a period of time after or simultaneously with capturing the Raman scattering and generating the Raman spectra.
16. The method of claim 14, interrogating comprises directing a pulse of the beam of ultraviolet light at a first wavelength to achieve photodissociation and a pulse of the beam of ultraviolet light at a second wavelength to induce the fluorescence.
17. The method of claim 14, wherein interrogating comprises directing a single pulse of the beam of ultraviolet light to the surface or space, and capturing, generating and analyzing are performed with respect to Raman scattering and fluorescence induced by said single pulse.
18. The method of claim 14, wherein analyzing comprises analyzing the Raman spectra and the fluorescence spectra, wherein the fluorescence spectra is associated with fluorescence emitted by a daughter photofragment molecule produced by photodissociation of an explosive target material when irradiated with the beam of ultraviolet light.