wave ductの例文

• After the storm move in shandong area , the moist downdrafts appears , the mgws apart from the thunderstorm and move faster , the mgws weaken gradually because absence of wave duct and energy supply
• The result can be long distance reception of radio waves that would normally have been far beyond the radio horizon . the equations for ray tracing were given , simulating and tracing electro - magnetic wave duct propagation using spherical layered atmosphere mode , this method is very useful for analysis of radar echo distribution and confirm relation of stratification of atmosphere and ray duct propagation in the process of studying radar second product , introduce a new 3 - d interpolation method . outcome of this method can suit all kinds of density product