This paper simulates statistical characteristic of PMD in polarization maintaining fiber(PMF) link, and compares distribution characteristic of differential group delay(DGD) under different conditions.
By analyzing mathematical characteristics of wavelet base,several criteria are presented which include entropy, coding gain, product ofpeak-to-peak ratio (PPR) and coding gain, PSNR of the reconstructed image, energycollection characteristic and energy distribution characteristic.
Based on the rate equations and light propagation equations,the model of Er 3+/Yb 3+ co-doped double clad fiber amplifiers has been discussed,and the population distribution characteristics of Er 3+ upper level in Er 3+/Yb 3+ co-doped double clad fiber amplifier pumped at 980nm bands have been analyzed by using the results of numerical simulation.
After analysing the noise distribution characteristics and combustion state of the diesel generator, provides an improved design of the air supply/exhaust system, in which some noise control measures are taken, lowering the noise in A sound level at a point 1 m away and outside the building from 78 dB to 55 dB.
The thesis analyzed the temporal and spatial distribution law of precipitation, the conversion relationship between precipitation and surface runoff and distribution character of regional surface water resources by the methods of field survey and located observation.
The subordinate function concept of fuzzy mathematics and two quantitative indexes of the fuzzy concentration μT and fuzzy concentration-strengtthening μT are used to research the spatial distribution feature (concentration) and time-space distribution characteristics (strengthening concentration) of moderate earthquakes before a seismic all active episode in this paper.
The possibility of cyclotron maser cooling of the transverse motion of electrons in a beam with the oblate velocity distribution characteristic of the setups with electron cooling has been analyzed.
Range ambiguity distribution characteristic of spaceborne sar and its design consideration
The study drew following conclusions: 1) The consistent anomaly distribution characteristic was the most important mode of the EHT and ELT events in Northwest China.
In234U a level at 1045 keV, assigned in the literature as second-excited 0+ level, is weakly populated in the (p, t) reaction but does not show the angular distribution characteristic for single-stepL=0 transfer.
The fluorspars of the N?rdliche Kalkalpen showed REE distribution characteristic of a sedimentary formation while those of the Südliche Kalkalpen (Bleiberg area) apparently showed a hydrothermal type of REE distribution.
The data showed that the studied group of adolescents was heterogeneous by the effectiveness of self-regulation: the majority was characterized by marked shifts whose distribution character was close to normal; the others, by mild EDR changes.
The possibilities of the remote estimation of the distribution character of the rock natural remanent magnetization in the zones of geomagnetic field reversal are considered.
Soil erosion spatial distribution character of sloping field in the Sichuan Hilly Basin: Taking a cultivated slope in Neijiang a
This paper discusses the spatial and seasonal distribution character of dissolved and particulate trace metals in the anoxic seawater of Saanich Inlet, B.C., Canada.
The results show that the simulation values can explain well the earthquake distribution character of Chinese mainland and its neighboring area.
We found that the belowground biomass was mostly distributed in the 0-10 cm soil depth in the alpine meadow with a "T"-shape distribution feature, and with the acceleration of deterioration, the numbers of roots becomes less and less.
Many lands can be classified into the kind surface in the view of scale and distribution feature of the roughness elements such as agroforest, scatter planted or growing trees, savanna and so on.
The spatial distribution feature of roots favors the growth of ash in the mixed stand.
According to the source mechanism of the main shock and the distribution feature of the aftershocks occurring in the southern Taiwan Straits on Sept.
The quasi-static solutions of two kinds of the thermo-elastic problem and the time space distribution feature of the seismic pre