SE366840BSE15103/72ASE1510372ASE366840BSE 366840 BSE366840 BSE 366840BSE 15103/72 ASE15103/72 ASE 15103/72ASE 1510372 ASE1510372 ASE 1510372ASE 366840 BSE366840 BSE 366840B
Authority
SE
Sweden
Application number
SE15103/72A
Inventor
E Styren
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L MfiledCriticalEricsson Telefon Ab L M
Priority to SE15103/72ApriorityCriticalpatent/SE366840B/xx
Publication of SE366840BpublicationCriticalpatent/SE366840B/xx
G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
G01S13/50—Systems of measurement based on relative movement of target
G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
G01S13/583—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets