frequency down/up conversion
Interpretation of Cluster WBD frequency conversion mode data
... the frequency range of ∼ 70 Hz to 577 ...uses frequency conversion to sam- ple the higher frequency waves at one of three different con- version frequencies ( ∼ 125, 250 and 500 kHz, these ...
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Microchip lasers : an investigation of transverse mode definition, spectral selectivity and novel frequency modulation/up conversion techniques
... The most rigorous characterisation of the device was performed using the low pump power lens coupling excitation scheme. The device in this excitation scheme produced 6 mW of stable green radiation for 150 mW of pump ...
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Powers scaling and nonlinear frequency conversion of single frequency lasers based
... single- frequency, diffraction limited output, the characteristics of low power ...transfer up-conversion (ETU), which can decrease the lifetime of the upper lasing level and increase the heat ...
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RF Double Balanced UP-Conversion Mixer at 2.4 GHz Frequency
... Here UP conversion mixer is mainly used in the transmitter [7] front-end part of wireless communication device, where desirable frequency is more than the input frequency in such cases we use ...
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An Electromagnetic Micro Power Generator Based on Mechanical Frequency Up-Conversion
... resonance frequency so the frequency up-conversion is ...in up-ward and other in down-ward movement) in each period of external ...
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FREQUENCY CONVERSION
... a frequency by mixing that frequency with another (local oscillator) frequency which is slightly ...difference frequency, and this is then processed into the sound we ...
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Influence Of The Phases Of Waves On The Frequency Down-Conversion In The Optical Lattice At Sequential Interaction
... 2 (through boundary conditions) on the full length of the optical superlattice. Note that a similar dependence on length was also observed in metamaterials [18]. Owing to the dispersion of the refractive index of the ...
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Quantum frequency conversion of a quantum dot single photon source on a nanophotonic chip
... the frequency differ- ence between the two 1550 nm pumps, which was set to one free spectral range (FSR) of the microring ...the frequency- converted photon flux at the converter chip waveguide output to ...
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Enhanced frequency up-conversion in Rb vapor
... efficient frequency up-conversion, four-wave mixing, slow light or image storage to be studied at low light ...enhanced frequency up-conversion in a hot rubidium ...lasers, ...
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Frequency selection by soliton excitation in nondegenerate intracavity down-conversion
... Down-conversion processes can be divided into degen- erate and nondegenerate. In the former case idler and signal photons are identical while in the latter they differ in frequencies and/or polarizations. ...
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Cavity-enhanced frequency up-conversion in rubidium vapour
... efficient frequency up- conversion of near-infrared light (780 nm and 776 nm) to blue light (420 nm) ...a conversion efficiency of 260 %/W ...
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Comparative Analysis of Buck Converter and Mo...
... step down the voltage ...step down conversion ratio. When switching frequency is more and duty ratio is less than 50% then proposed buck converter is ...step down ratio ...step ...
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An All-Optical Frequency Up/Down-Converter Utilizing Stimulated Brillouin Scattering In A Trf And Dcf For Rof Application
... Brillouin frequency shift for TWF is ...Brillouin frequency shift of TWF from the measurement is ...Brillouin frequency shift, but the specification of the optical fiber does not indicate the dopant ...
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Orthogonal frequency division multiplexing with amplitude shift keying subcarrier modulation as a reliable and efficient transmission scheme for self-mixing receivers
... carrier frequency correction and carrier phase recovery are not necessary, which is very convenient in the mm-wave and terahertz regimes (Shoji et ...the down-conversion is not influenced by any ...
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IMPLEMENTATION OF ZERO CURRENT SWITCHING IN STEP- UP/STEP-DOWN RESONANT CONVERTER
... IN RECENT YEARS, switched-mode power supplies (SMPS) become very popular for power conversions and conditionings. The conventional switched mode power supplies (SMPS) are using magnetic and capacitors as energy storage. ...
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Comparative analysis of different PWM schemes for Z Source Matrix Converter
... Energy Conversion System (DDWECS) requires a compact generator as the widely used induction and synchronous generators are bulky owing to the additional excitation ...switching frequency which leads to high ...
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De-Interleaved Subsampling Architecture for Homodyne Receivers
... different frequency bands [1, ...direct conversion [4], low intermediate frequency (low-IF) [5], and subsampling receivers [6–8] have also been ...direct conversion receiver, the radio ...
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Nd3+ sensitized core-shell-shell nanocomposites loaded with IR806 dye for photothermal therapy and up-conversion luminescence imaging by a single wavelength NIR light irradiation
... control of local lesions. Among the various thermotherapeutic methods, interstitial hyper- thermia[7], hyperthermic chemoperfusion[8], and whole-body hyperthermia[9] all increase the temperature of the tumor tissue to ...
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I NTE G RA TE DCOM P A CT BROADKA - B AND S U B- HA NI C S I NG L E S I DE BA ND UP - CO NV E R TE R MI C P.K . S i n gh , S . B a s u , a n dY . - H. W a n g
... high frequency band is the most expensive part and is realized using number of the MMICs such as LO frequency doublers, mixers, RF amplifier, low noise amplifier, variable attenuator, and power ...
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Satellite Link Design: A Tutorial
... a frequency conversion stage that down-converts the radio frequency signal to a fixed intermediate frequency (IF), where the signal can be amplified and filtered ...operational ...
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