… This method uses the wave velocity difference between the two signals to measure the
distance. The sender sends two different wireless signals at the same time, and then records the …

… Study on load spectrum test and fatigue strength evaluation of railway freight carbody[D]. …
Research on experimental facility of alternating aerodynamic loads of car bodies of high-speed …

… solutions to temperature fields of tunnels in cold regions, as … velocity and initial rock
temperature; furthermore, a method for calculating the frost-resistance fortification length of tunnels in …

… of aerodynamics of high-speed trains running into tunnels[J]. … Comparison of subway train
tunnel aerodynamic test and … evaluating wind velocity from pressure measurements performed …

… Wind tunnels test on anti-wind erosion effect of conservation tillage farmland and caragana
… of dune were measured, and the redundant natural vegetation will influence the test. The …

… Thus, the velocity most often used in velocity profiles is the temporal average velocity ν, and
the strength … However, this is not the case; the difficulty is in velocity measurement. Zero wall …

… The wind tunnel tests of the wooden pagoda with artificial forestry … The test results show that
artificial forest planting can reduce the … forestry; wind effects; wind tunnels test; wind pressure …

… Hypersonic wind tunnel free-flight test with biplanar optical system on the non-spinning
blunt cone[J]. Chinese Journal of Theoretical and Applied Mechanics, 2015, 47(3): 406-413(in …

… Study on the influence of airflow on the temperature of the … Test and numerical simulation
of temperature field in cold … solution for frost force of cold regional tunnels[J]. Journal of …

… effect was verified by comparison of structure test results and numerical analysis. The results
… -spacing tunnels in squeezing rock mass to use ad⁃ vanced pilot tunnel to release stress. …