Oscillation bands form an arithmetic progression on the logarithmic scale. For each band the frequency (Hz) or period ranges are shown together with their commonly used names.
... Brain oscillators... Alpha, gamma and theta oscillations
Contributors:Lucas C. Monteiro, A.V. Dodonov
We consider the interaction between a single cavity mode and N≫1 identical qubits, assuming that any system parameter can be rapidly modulated in situ by external bias. It is shown that, for the qubits initially in the ground states, three photons can be coherently annihilated in the dispersive regime for harmonic modulation with frequency 3ω0−Ω0, where ω0 (Ω0) is the bare cavity (qubit) frequency. This phenomenon can be called “Anti-dynamical Casimir effect”, since a pair of excitations is destroyed without dissipation due to the external modulation. For the initial vacuum cavity state, three qubit excitations can also be annihilated for the modulation frequency 3Ω0−ω0.
Low-frequencyoscillations... Undamped swing curve: one oscillation mode.
... Un-damped swing curve with two oscillation modes: f1=0.4, f2=0.5Hz and σ1=−0.025, σ2=+0.037s−1.
Contributors:Olivier Audouin, Jacques Bodin
Frequency spectrum of the slug-test response in HES well M05, for an initial head displacement H0=0.2m (slug-test reference=STM5_02).
... Filtering of high-frequencyoscillations: example of processing of the slug test STM5_02 (HES well M05, initial head displacement H0=0.2m).
... High-frequencyoscillations... Filter shape in the frequency domain for ρ=0.9.
... Interpretation of high-frequencyoscillations: inertia-induced water level fluctuations in the annular space between the inner PVC casing and the outer steel casing.
... Typical slug-test responses in HES wells. (a) “Standard” overdamped response; (b) “standard” underdamped response with low-frequencyoscillations; (c) overdamped response with high-frequencyoscillations; (d) underdamped response with dual-frequencyoscillations.
The plots of 1H signal width for the crystalline region of polyethylene thin film on the surface of on an piezoelectric oscillator plate against oscillationfrequency in the range from 1 Hz to 2 MHz (a) and in the expanded range from 1 Hz to 100 kHz (b) at 40 °C.
... The plots of 1H signal width for the non-crystalline region of polyethylene thin film on the surface of on a piezoelectric oscillator plate against oscillationfrequency in the range from 1 Hz to 2 MHz (a) in the expanded range from 1 Hz to 100 kHz (b) at 40 °C.
... A diagram of an NMR glass tube with an piezoelectric oscillator plate. The polyethylene thin film was molten and adhered on the surface of piezoelectric oscillator plate. The oscillation of an piezoelectric oscillator plate is generated by AD alternator.
Contributors:L.-E. Wernersson, M. Ärlelid, M. Egard, E. Lind
Measured and simulated output power spectrum for the oscillators at Vg=0V and Vc=1.0V (left). The fundamental oscillation is at 15.71GHz. The bias stability diagram of the oscillator (right).
... Measured oscillationfrequency as a function of gate bias at Vc=2.4V. The arrows indicate the two sweep directions.
... Measured oscillator output power for varying DC gate biases. The squares represent the fundamental oscillationfrequency, the circles the 2nd harmonic and the stars the 3rd harmonic oscillation.
... Measured performance operating the oscillator as a mixer.
... Measured (circles) and simulated (squares) oscillationfrequencies for different wave-guides specified in Table 1. The data points for D are solid while C are open.
Contributors:Gülnur Birol, Abdel-Qader M Zamamiri, Martin A. Hjortsø
Frequency spectra (a), (b) and (c) correspond to the frequency spectra of signals in Fig. 6 (a), (b) and (c), respectively. By construction, frequency spectrum in (a) is equal to the sum of the spectra in (b) and (c).
... Period and amplitude of oscillation versus average dilution rate (h−1) calculated by FFT analysis in intervals of 512 data points of the filtered data shown in Fig. 4.
... Frequency spectra of the exhaust CO2 signal shown in Fig. 1: (a) through (d) correspond to regions 1 through 4 of Fig. 1, respectively; (e) shows the frequency spectrum of the overall signal.
... Autonomous oscillations... Calculated periods of oscillations, in minutes, obtained by FFT analysis of various signals
... Filtered CO2 signal of the ramp experiment shown in Fig. 3. The filtered signal was obtained by subtracting moving signal averages from the original signal and represents the oscillating part of the signal.
Contributors:Yuh Ming Hsu, Chung Cheng Chang
The frequency response of series photodetector frequency circuit system matched with photodetector APT for detection of dilute Hex fluorescence dye concentrations from 333.3fmol/L to 33.3μmol/L. was the frequency response of no sample, were the frequency responses of dilute fluorescence dye concentrations from 333.3fmol/L to 33.3μmol/L.
... The correlation curve between conductance change and frequency shift of series photodetector frequency circuit system matched with photodetector APT.
... The correlation curve between frequency shift and logarithm of fluorescence dye concentration from 3.3pmol/L to 33.3μmol/L (ΔF is the frequency shift, and LogC is the logarithm of fluorescence dye concentration).
... Series photodetector frequency circuit system... The diagram of series photodetector frequency circuit system matched with PMMA.
... The correlation curve between fluorescence dye concentration and frequency shift of series photodetector frequency circuit system matched with photodetector APT.
Contributors:Satoshi Takahashi, Michio Hori
Time series of the lefties in the model with large reproductive susceptibility c. The thin line is the frequency of species x's lefty, xL. The bold line is the frequency of the lefty of species y, yL. Frequencies of the morphs oscillate. While lefty of species x, xL, increases, that of species y, yL, decreases. The reproductive susceptibility c=5. Other parameters and initial values are same to those of Fig. 2.
... Time series of the model with its susceptibility c large. Horizontal axis is time. Vertical axis is fraction of species x, (xL+xR), or species y, (yL+yR). Each curve in the graphs is labeled by x or y. Species x increases with time, while species y decreases in (a), (b), (c), and (f). Lefty–righty frequency in each species oscillates, which affects the coexistence of two competing species (c=5,Ty=6) (a) Tx=4; (b) Tx=5.2; (c) Tx=5.8; (d) Tx=6.2; (e) Tx=7; (f) Tx=9. Other parameter values are same to those in Fig. 2.
... Time series of the lefties in the model with small reproductive susceptibility c. Frequencies of the morphs in each species do not oscillate and tend to a point in the continuum of the equilibria. The thin line is the frequency of species x's lefty, xL. The bold line is the frequency of the lefty of species y, yL. Parameter values are: b=0.75,c=0.5,Tx=4,Ty=6. Initial values are xL(t)=0.2,xR(t)=0.1(-Tx⩽t⩽0),yL(t)=0.6,yR(t)=0.1(-Ty⩽t⩽0).
... Frequency-dependent selection... Oscillation... Frequency of the righty morph in P. microlepis (thin line) and P. straeleni (bold line). The data are plotted for years ’88, ’90, ’92, ’93, ’94 (P. microlepis only), and ’95.
Contributors:Ole Schmitz, Joergen Rungby, Linda Edge, Claus B. Juhl
(A) Schematic illustration of deconvolution analysis based on insulin measurements. The upper panel shows the measured concentration profile and the best-fit line. The lower panel shows the calculated insulin secretory rates and the derived variables (1) insulin secretory burst mass, (2) burst amplitude, (3) basal (not-pulsatile) insulin secretion and (4) interpulse interval. (B) Representative insulin concentration and calculated secretion profile analyzed by fitting basal insulin concentration employing deconvolution. Note the high frequency (adapted from ref. ).