A motor mounting system for a vehicle is provided comprising a motor carrier frame and a resilient flexible member connecting the motor carrier frame to a chassis of the vehicle. A candidate set of sensors that are available to participate in an occasion of cooperative spectrum sensing is obtained. The bypass circuits are coupled to the ring of serially connected inverters to bypass one or more of the serially connected inverters when enabled. The map of current temperatures may be corrected according to baseline values, and then is used to compensate for temperature differences. In order to solve the above problems, a particulate sample is used instead of a lattice sample for defining orthogonality, and adjustment is performed so that an image that should be a circle is observed as a circle, thereby making it possible to define the orthogonality. The combination of a solid metal tuning rod with a ceramic coaxial-type resonator results in high radio frequency power handling.