Related Words

Downstream Frequency: Refers to the frequency that is used when transmitting information between the CMTS and cable modem.

Radio Frequency Interference (RFI): A high-frequency signal radiated by improperly shielded conductors. RFI can interfere with the operation of other electronic devices.

Radio-Frequency Fingerprinting: A process that identifies a cellular phone by the unique fingerprint that characterizes its signal transmission. RF fingerprinting is one process used to prevent cloning fraud, because a clo . . . View Full Definition

Radio Frequency Identification (RFID): RFID first appeared in tracking and access applications during the 1980s. It is a method of remotely storing and retrieving data using devices called RFID tags/transponders and is coming int . . . View Full Definition

Reset Frequency: The frequency with which the floating rate changes.

Radio Frequency (Rf): An alternating current or voltage with a frequency (or carrier wave) above about 100khz. It's called radio frequency because these frequencies have a capacity to be radiated as electromagnet . . . View Full Definition

Horizontal Frequency: The inverse of the time it takes for a monitor to scan from the beginning of one line to the beginning of the next line: typically stated in kilohertz.

Inverse Document Frequency (IDF): Inverse Document Frequency is a term used to help determine the position of a term in a vector space model. IDF = log ( total documents in database / documents containing the term )

Low Frequency: Refers to radio frequencies within the 30-300 khz band. In audio it usually refers to frequencies in the 20-160 Hz band.

Pulse Repetition Frequency (PRF): The number of radar pulses transmitted each second. The pulse transmission rate is automatically lengthened for longer ranges.