A sled test apparatus for simulating a vehicle crash is configured to simulate a vehicle crash involving an intrusion into the cabin of the vehicle, as occurs, for example, in a so-called \u201csmall overlap\u201d or \u201coffset\u201d impact. The adaptive channel estimator further detects a noise level of a channel and a channel speed, and implements an optimum noise elimination filter on the basis of the detected noise level and channel speed. The SALEN-type compounds may be Schiff bases, i. A ring is located in both grooves to axially secure the inner race and boot sleeve together. A dual-mode mobile terminal communicates with the communication system via the RAN of the first type. Such composition may be useful in power transmissions to provide improved anti-shudder performance andor improved friction durability.