(WYTV)- Crop circles are patterns created by flattening crops, typically in fields of wheat or corn. The exact causes of crop circles can be attributed to several factors: The majority of crop circles ...

Abstract: Uniform circular array (UCA) is widely employed in the field of direction-of-arrival (DOA) estimation, due to its uniform coverage in all directions and its ability to estimate both azimuth ...

The term "involute" refers to the shape of the teeth: the curves of the teeth are involutes of circles, which are curves that optimize gear performance. Figure 1.1.2: The three marked circles are key ...

Hydrophobicity is an important parameter to characterize electrical properties of insulated materials. Therefore, it is an urgent task to develop on-line instruments to identify the hydrophobicity of ...