propagation造句
181. To solve low channel utilization problem caused by long propagation delay in wireless networks, a fast reservation on-demand transmission (FRODT) medium access control (MAC) protocol is proposed.
182. The paper discusses the principle of porosity prediction with seismic data based on the propagation theory of seismic wave in diphase medium.
183. The results refer to things of earth Goddess on behalf of their propagation methods, the human is divided into men and women, with men and women called humans, reproduce.
184. Fractal characteristic of multipath fading signal is studied in the paper which shows that multifractal dimension is a key parameter for describing the signal propagation in wireless channels.
185. The photon propagation model and photon propagation rule are two key components of bioluminescent imaging.
186. Spartina alterniflora has the trend of expansion to Acanthus ilicifolius communities and bare mudflats by vegetative propagation after they first settled on the mudflats.
187. The simplest explanation of aberration is the analogy of light propagation to the fall of raindrops.
188. This paper reviewed the realization methods of radar camouflage from five aspects, shaping design, absorbing materials, jamming, offset and microwave propagation indicating technique.
189. As a public oriented information propagation service, videotex has a huge potential market in China.
190. The model provides a simple ,[www.] reliable and utilitarian method to predict fatigue crack propagation.
191. Experimental results show that the method outperforms on both visual quality and peak signal-to-noise ratio (PSNR), and can be effective to stop error propagation.
192. The algorithm has approximately computational complexity comparing with the back propagation fellow used in the general feedforward three layered LBF networks.
193. A method based on the bootstrap and an imaginary part of the coherence was developed to analyze the connectivity and the information propagation during motor imagery.
194. The essence of back propagation networks is that make the change of weights become little by gradient descent method and finally attain the minimal error.
195. The propagation velocity of seismic wave is dependent on the property of formations, such as formation component, elasticity, density, depth, geologic age, porosity and tectonic activity.
196. According to the similarity between the propagation of magnetic dipole source TEM field and reflected-seismic wave, it is proposed to explain TEM data with the pseudo-seismic interpretation.
197. TEM analysis reveals that the precipitation of short-bar-shaped carbides in lower-bainite can prevent effectively from initiation and propagation of fatigue cracks.
198. High frequent adventitious shoot formation , plant regeneration and micro - propagation were established in trailing petunia ( Petunia hybrida ) leaf.
199. The new definition of the beam propagation factor for partially coherent light is proposed through the propagation equations of the cross-spectral density.
200. The article has corrected the standard propagation model which is selected in M city of our country using the data of CW test, and discussed the signal variant correction and multi-variant correction.
201. The simulation using the bi-directional beam propagation method proves that the demultiplexer can have very low insertion loss and high isolation ratio.
202. Diseases spread by insects are encouraged when climatic conditions propagation of the vector.
203. A complete study of the propagation of shock waves in elastic solids is presently lacking.
204. Applying classical wave theory, a concept of equivalent elastic modulus on propagation speed modification of guided wave through"variable cross-section"of metal bar embeded layer was put forward.
205. Three major damage mechanisms, namely fault rupture, wave propagation, and soil liquefaction, are considered.
206. Based on the dispersion equation of electromagnetic mode, the propagation characteristics in a lossy cylindrical waveguide are studied.
207. Research on long range radio wave propagation plays a significant role in both mobile communication and electromagnetic environment.
208. Clonal propagation can also give some large gains in a relatively short time.
209. After the October Revolution the propagation of Marxism led the qualitative shanges the New Culture Movement.
210. This paper is concerned with using back error propagation(BP) of artificial network to study the market sequence prediction of railway passenger traffic.
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