Modulation Instability Gain and Critical Frequency
Brief communication: Modulation instability of internal waves in a smoothly stratified shallow fluid with a constant buoyancy frequency
... waves, modulation instabilities and rogue waves may now arise for the shallow water and intermediate depth regimes if N 0 is ...buoyancy frequency may not play a critical role in the existence ...
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Influence of Stationary Crossflow Modulation on Secondary Instability
... secondary instability modes supported by a uniform pattern of finite amplitude stationary crossflow vortices of fixed spanwise wavelength was analyzed by Li et ...the instability characteristics of the ...
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On the frequency modulation of VLF emissions
... growth-rate modulation efficiency are: (i) the aniso- tropy factor D as being responsible for the instability and (ii) the ratio between the electron thermal parallel velocity square and electron Alfve´n ...
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Observation of modulation instability and rogue breathers on stationary periodic waves
... the modulation instability process and associated rogue breathers for the case of stationary periodic background waves, namely dnoidal and cnoidal ...spontaneous modulation instability ...
Inhibitory Synaptic Plasticity and Gain Modulation in Cerebellar Nucleus Neurons
... of gain modulation 33 dendritic saturation, and was found to play an important role in gain control by shunting ...similar frequency and amplitude, thus considering the influence of noise in ...
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Modulation of radio frequency signals by ULF waves
... ultra-low frequency (ULF; 1–100 mHz) plasma waves, incident from the near-Earth space ...change frequency in sympathy with incident ULF wave ...and frequency changes in the HF signal are modeled ...
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Nonlinear instability in flagellar dynamics: a notel modulation mechanism in sperm migration
... buckling instability ( Becker & Shelley 2001 ), which is frequently found in passive fila- ments when subjected to high tangential ...a critical value that the flagellum elastic structure cannot support, ...
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Mechanisms of frequency and amplitude modulation in ring dove song
... ⬎ c , as shown by the symbols in Fig. 1 for a simple cubic lattice, i.e. ⫺ 1 ⫽ 1 ⫽ 1 6 in units such that k B T ⫽ 1 and l ⫽ 1. Since the interfacial width diverges at the critical tempera- ture, the ...
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Capacitive Sensor with Transducer Using Frequency Modulation for Seismometer
... - Two linear zones could be considered. The first is in the range [0.5; 1.0] mm, the second zone is in the range [1.2; 2.8] mm. The first zone presents the best sensitivity. It will be used for the sensor. - An amplifier ...
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Modulation Frequency Features For Phoneme Recognition In Noisy Speech
... on modulation spec- trum derived from syllable-length segments of sub-band temporal envelopes is ...in critical bands, processed by both a static (logarithmic) and a dynamic (adaptive loops) ...
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Synchronization performance of noise based frequency offset modulation
... There appears to be no difference in meaning, although Gardner [28] notes that loop bandwidth usually refers to the loop gain B L for the cases where noise is a significant disturbance. The results from Table 3.1 ...
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1 Multi-channel frequency division multiplex frequency modulation (FDM-FM) emissions
... peak frequency deviation of multi-channel FDM-FM emissions. Peak frequency deviation is a critical factor in Carson’s rule, B n = 2M + 2DK, used to calculate necessary bandwidth for frequency ...
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Investigation of Scalar Modulation Instability in the Presence of Raman Scattering in Photonic Crystal Fibers
... pump frequency, Ω = 0 ...parametric gain peaks occur at frequency detunings where the linear contribution of phase matching, ...pump frequency, experience an extra gain due to Raman ...
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Frequency Modulation
... ANGLE MODULATION INTRO TO FREQUENCY MODULATION A major problem in AM is its susceptibility to noise superimposed on the modulated carrier ...first frequency modulation (FM) radio ...
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Frequency Modulation PPT
... Composite baseband signal is then Composite baseband signal is then frequency modulated frequency modulated Left channel Left channel Right channel Right channel + + + + + + mono mono [r] ...
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Frequency Modulation Lecture Notes
... 4-4 Bandwidth Requirements for FM A major problem in AM is its susceptibility to noise superimposed on the modulated carrier signal. To improve on this, the first frequency modulation (FM) radio ...
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Joint Acoustic and Modulation Frequency
... Received 30 August 2002 and in revised form 5 February 2003 There is a considerable evidence that our perception of sound uses important features which are related to underlying signal modulations. This topic has been ...
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1 Frequency Modulation (FM)
... 2. Explain what is Carson’s rule. 3. What is the di¤erence between NBFM and wideband FM refer to the Spectral component of the two signals. 4. Use Matlab to draw an FM signal: = 15Hz, carrier amplitude A = 2:5V , A m = ...
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Rexroth Inline Terminal for Pulse Width Modulation and Frequency Modulation
... In the PWM, frequency generator, and single shot (single pulse generator) modes, the output data is mirrored to the input data, assuming it is valid. If the output data contains reserved codes and is therefore ...
Frequency Modulation Simulation Using Matlab
... With a 1V p-p sinusoidal voltage at both inputs of the multiplier, the output was observed and the multiplier constant was calculated to be 0.206. 2. VCO Conversion Constant, Ko An external voltage may control the output ...
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