The frequency and phase lock loop has been applied for the carrier recovery of VSB transmission system in high definition TV.
A type of modulation designed for the carrier to shift between four distinct phases, the four possible phases serve to encode two bits.
The precision index for the carrier rocket that carries the spacecraft entering the orbit is highly upgraded; besides its life-span in the orbit is increased by a big margin.
The doctoring of liability fixation for the carrier should be "liability without fault", and the following conditions should be fulfilled:1. The beneficiary should be the passenger;
It has a long way to go to operate an air wing, provide air, surface, and sub-surface defenses for the carrier, supplying the carrier, and training the personnel to operate it. That is many years off.
