Phase Shifting

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Phase Shifting And Imaging In Solid State Nmr

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Author : David Nathan Shykind
language : en
Publisher:
Release Date : 1989

Phase Shifting And Imaging In Solid State Nmr written by David Nathan Shykind and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with categories.

Phase Shifting

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Author : T.M. Nielsen
language : en
Publisher: T.M. Nielsen
Release Date : 101-01-01

Phase Shifting written by T.M. Nielsen and has been published by T.M. Nielsen this book supported file pdf, txt, epub, kindle and other format this book has been release on 101-01-01 with categories.

High Power Semiconductor Phase Shifting Devices

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Author : Joseph F. White
language : en
Publisher:
Release Date : 1962

High Power Semiconductor Phase Shifting Devices written by Joseph F. White and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with categories.

Investigations continued on microwave phaseshifting techniques, other than ferromagnetic and mechanical methods, to provide improved electrical scanning, and to develop models of a phase shifter. A method was investigated for obtaining continuous phase shifts using identical diodes placed in bias opposition at the outputs of a 3-db hybrid coupler. This technique was expected to yield a phase shift characteristic which was less dependent upon the RF power level. Results were obtained which were essentially in agreement with theory, and the advantages and disadvantages of this technique are discussed. (Author).

Phase Shifting With Transformers

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Author : Roch Beaulieu
language : en
Publisher:
Release Date : 1984

Phase Shifting With Transformers written by Roch Beaulieu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with categories.

L Band Phase Shifting Techniques

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Author : HUGHES AIRCRAFT CO CULVER CITY CALIF.
language : en
Publisher:
Release Date : 1962

L Band Phase Shifting Techniques written by HUGHES AIRCRAFT CO CULVER CITY CALIF. and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with categories.

A discussion of techniques applicable to obtain digital phase shift without continuously-applied current is gice $2.60 Hughes Aircraft Co., Culver City, Calif. L-BAND PHASE-SHIFTING TECHNIQUES. Final engineering rept., 1 July 61-16 Mar 62. 16 Mar 62, 15p. incl. illus. table, 2 refs. (Contract NObsr-81378, Proj. SR-0080302) Unclassified report DESCRIPTORS: *Phase shifters, Digital systems, Ferrites, Magnetic fields, Measurement, L band. A discussion of techniques applicable to obtain digital phase shift without continuously-applied current is given. Also, a phase shifter developed during the program to which the digital techniques are applicable is described. The construction and method of operation of a prototype digital phase shifter is described and the performance is given. Work was performed to determine the cause of variation of insertion loss between the prototype phase shifters. (Author).

Phase Shift

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Author : Elise Abram
language : en
Publisher: EMSA Publishing
Release Date : 2014-09-18

Phase Shift written by Elise Abram and has been published by EMSA Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-09-18 with Fiction categories.

If you knew the world were about to end, what would you do? If you found the key to another Earth, would you use it? When archaeologist Molly McBride finds the key to a doppelganger Earth she is swept into a world of conspiracy that could end in the death of not one, but two planets. Will Molly be able to prevent the impending cataclysm?

Phase Shifting Projection Grid Techniques

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Author : A. (ed.). Asundi
language : en
Publisher:
Release Date : 1994

Phase Shifting Projection Grid Techniques written by A. (ed.). Asundi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.

High Resolution Wideband On Chip Phase Shifting

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Author : Javad Khajehpour
language : en
Publisher:
Release Date : 2011

High Resolution Wideband On Chip Phase Shifting written by Javad Khajehpour and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.

A new active LO phase shifter was introduced and implemented in a 2x2 wide band MIMO receiver. The chip was designed with STMicroelectronics 90nm technology. The main advantages of the proposed phase shifter over previous works included a wide band range, high resolution and small area. The phase shifter is based on the dependency of the inverter propagation delay on the load capacitance. Simply, by changing the load capacitance of an inverter, a different propagation delay is generated. A number of these controllable delay cells are cascaded to provide the required phase-shift. In order for the delay cells to reduce the required amount of phase-shifting the I & Q swap circuit is introduced. The I & Q swap circuitry reduces the phase-shifting by one fourth of the original range. The wide band phase shifter is suitable for multi-standard radios, since just one phase shifter is needed to support all standards. This capability of the phase shifter could potentially reduce the size of the die and simplify the design. The measurement shows that the phase shifter is able to provide 360° of phase-shifting at the output base band signal when the LO is varying from 1.5GHz to 6GHz. A wider range of the phase shifter is achievable by reducing the capacitance load and increasing the number of cascaded delay cells. The proposed phase shifter is capable of achieving a very high resolution. The resolution of the phase shifter is a function of the inverter current capability and the load capacitance. The measurements show the average resolution of the proposed phase shifter is about 1.32ps. Passive components usually take up a large area on the chip. A MOS capacitor is used as the load to reduce the area of the proposed phase shifter. A method is proposed to improve the phase shifter stability over the temperature and process variations. This method is based on the fact that the propagation delay of an inverter is inversely proportional to the power supply. Therefore, the phase shifters' power supply must be varied to maintain a relatively constant phase shifter resolution over the temperature and process variations.

The Spectral Sensitivity Of The Human Phase Shifting Response

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Author : Victoria Revell
language : en
Publisher:
Release Date : 2003

The Spectral Sensitivity Of The Human Phase Shifting Response written by Victoria Revell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.

A New Method Of Temporal Phase Shifting Using Principle Of Stroboscopy For Characterizing Microstructures

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Author : Davoud Mohammad Ali Zadeh
language : en
Publisher:
Release Date : 2009

A New Method Of Temporal Phase Shifting Using Principle Of Stroboscopy For Characterizing Microstructures written by Davoud Mohammad Ali Zadeh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.