[PDF] Top 20 A Novel of Surface Reflection Method Using Radio-Wave for Soil Density Estimation

... to soil surface is ...whole soil surface area so that the maximum energy from the soil can be reflected and captured by the ...of soil, V b = h × w × l , is calculated as 12,000 ... See full document

... of surface wave is well-known by the researchers to determine shear wave velocities on the field for subsurface ...This method uses an active source which means seismic energy with intention ... See full document

... of radio waves interpreted as phase relations between sky wave and surface wave to obtain the apparent height of the reflection point, the Standard Phase Height ...SPH- method a ... See full document

... of soil in civil, geological and agricultural ...accurate soil moisture determination is challenging to be ...of soil moisture determination via ground penetrating radar (GPR) principle is ... See full document

... Lanczos method, one of the Krylov-subspace methods, is used to obtain low-lying ...Lanczos method is that the product of the M-scheme dimension and the number of eigenvectors does not exceed O(10 10 ... See full document

... This experiment was done by the first author in the Civil Engineering Laboratory of the Islamic Azad University (Sirjan Branch, Iran). The flume dimensions are indicated in Figure 2. Because of the immediate Removability ... See full document

... An adaptation of the PAW method to a Linear-Scaling DFT framework used in the ONETEP code has been presented. Its equivalence to other PAW implementations and its considerably improved convergence properties have ... See full document

... include using a data splitting scheme, a simple form of cross ...kernel density estimates constructed on the first partition of the data, and estimate the risk of the resulting densities over a second, held ... See full document

... Chapter 5 The Method For Mobile Telephone Propagation Analysis Using GIS Approach To include the contribution to radio signal energy fading from the above two reflection phenomena, a ref[r] ... See full document

... GHz surface wave antenna design based on helical monopole shorted to its feed line outer ...metal surface where it excites an omnidirectional surface electromagnetic ...the surface ... See full document

... bulk density with clay and organic matter content, we use the mean results for data previously discussed in Dexter et ...bulk density with clay and organic carbon as independent variables shows that neither ... See full document

... period. Using a novel nonparametric density esti- mation clustering framework, two alternative indicators of environmental effi- ciency are contrasted: a conventional indicator, based on the ratio of ... See full document

... of soil porosity at constant shear strain while damping ratio ...The soil response under different boundary conditions is well consistent with analytical ...linear method performed using SHAKE ... See full document

... The use of material in the nanoparticles form offers many advantages due to the large surface-to-volume ratio [1]. Magnetite nanoparticles (MNs) is one of the most popular nanomaterial known for its biomedical ... See full document

... A novel PRS superstrate is used as a cover of the antenna to improve the directivity; the negative reflection phase values of the PRS alter the resonance condition of the cavity and significantly reduce the ... See full document

... and estimation of ketoprofen, practically water insoluble dug and thus precludes the use of organic ...for estimation of drugs in routine analysis of ... See full document

... pronounced surface waves. The bandwidth can be recovered using a thick substrate, yet this excites severe surface ...of surface waves decreases the antenna efficiency and degrades the antenna ... See full document

... III radio bursts (Morosan et ...ray-tracing method is presented that is used to reproduce observed intensity profiles with coronal density and scale height temperature as model ...coronal ... See full document

... transmitter radio signals from NRK (Iceland, ...electron density distribu- tion which decays over time in the lower ionosphere is de- ...electron density distri- bution in VLF/LF radio ... See full document

... Given a point on the initial surface, we will select a set of (up to) five “best-view” visible cameras based on the point’s estimated surface normal. Each camera in the selected set will serve as the main ... See full document