Process and apparatus for satellite data communication

Process and device for converting digitally modulate high-freque

Process and device for transmitting numerical data

Process and device for voice interpolation in a transmission sys

Process and system for the transmission of a signal

Process for actuation of multi-level digital modulation by a dig

Process for determining the quality parameters of transmission l

Process for obtaining a signal indicating a synchronization erro

Process for protected transmission of digital signals

Process for searching for synchronization on reception of a spre

Process for the base band modulation of a data signal, as well a

Process for the intermediate amplification of digital signals an

Process for the noncoherent demodulation of a digital signal

Process for the transmission of information by pulse response an

Process for the transmission of service signals for a digital ra

Process of synchronizing a receiving modem after a training on d

Processes for generating duo-binary FSK, tamed FSK and TFM modul

Processes for testing bi-directional serial transmissions, and c

Processing a spread spectrum signal in a frequency adjustable sy

Processing circuit with asymmetry corrector and convolutional en