spectrum造句
181. The study was focused on matrix effects, spectrum interference and background of the spectral lines of other rare earth elements in europium oxide matrix, and the optimum condition was selected.
182. Three-dimensional fluorescence spectrum and ultraviolet absorption spectrum of Bletilla striata extraction drawn by boiling water were reported.
183. Figure 1.6 shows the relative response of the "average eye" to light of constant luminace projected at various wavelengths throughout the spectrum .
184. First of all, starting with the estimate of signal parameter (e. g. amplitude, frequency and phasic), it makes a research in algorithms of direct, subdivide the spectrum, high-precision FFT and so on.
185. The single-sided fish defects of KFC copper alloys applied to lead frame produced by domestic corporation were studied and analyzed by energy spectrum analysis, SEM and metallographic analysis.
186. It is supported by spread spectrum transmission and microcellular architecture technique.
187. The structural crack affection on modal frequency is studied . The piezoelectric frequency-admittance spectrum under two kinds of harmonic excitation including pressure and voltage are deduced.
188. Offering SNR estimation method based on the quantization noise power spectrum.
189. Likewise, the Federal Communication Commission has become acutely attuned to the need for additional greater spectrum in order to sustain wireless growth and demand..
190. The digital sound of TV of SIRIUS backlash chair adopts as same as the radiobroadcast of SIRIUS spectrum allocation plan like signal.
191. By analyzing the relationship between basis expansion model (BEM) and Doppler spectrum, the authors propose a scheme based on fractional BEM for the estimation of doubly selective channel parameters.
192. In this paper, the hardpan roughness of paddy field was measured, autocorrelation and power density spectrum were analyzed.
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