Similar words: voice frequency, difference equation, difference, indifference, path difference, time difference, color difference, price difference.
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1 Consequently the difference frequency should be precisely equal to the difference between the frequencies of the corresponding fundamentals.
2 Two-photon resonant four-wave mixing difference frequency generation in potassium vapor has been observed.
3 To overcome the disadvantages of light intensity difference frequency stabilization, the dithering frequency stabilization for four frequency differential laser gyro is studied in this paper.
4 The finite - difference frequency - domain method with preconditioned conjugate - gradient technique is presented for three - dimensional electromagnetic scattering problems.
5 A new ranging method based on quadric difference frequency is presented.
6 Photonic crystals can radiate terahertz wave through difference frequency effect. But the conversion efficiency of this process is very low.
7 In the rotate difference frequency control of variable - frequency adjustable - speed system , we design a new control machine.
8 A finite difference frequency domain method(FDFD) is presented to analyze the propagation characteristics of waveguides with imperfect conductor and rough surface.
9 A novel all-optical wavelength conversion (AOWC) based on the cascaded sum frequency generation (SFG) and difference frequency generation (DFG) in LiNbO?3 waveguides have been theoretically studied.
10 There was always fundamental frequency component in the SABEP to two component complex tones, whether the difference frequency is equal to the fundamental or twice the fundamental.
11 The average level in the RC type oscillator, usable also difference frequency oscillators.
12 The magnitude and phase of the composed balancing vector are adjusted by means of controlling difference frequency of current in inner stator windings.
13 Both the analog and the digital scheme on the traditional difference frequency method are realized.
14 A formula of atmospheric refraction error of range measured by difference frequency delay method is presented.
15 The heterodyning principle is well known in nonlinear optics as difference frequency generation (DFG).
16 Our analysis indicates that the effects of the stratification upon the second order difference frequency wave loads on the structures may be significant.
17 The realization mode of solving ambiguity for multiple frequency ranging usually has two kinds:quadric difference frequency and uneven dual frequency.
18 Throughout analyzing the XLPE power cable insulation aging caused by the water tree,[www.Sentencedict.com] the on-line monitoring system design based on the difference frequency is presented.
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