[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Bello, 1965 - Google Patents

Some techniques for the instantaneous real-time measurement of multipath and Doppler spread

Bello, 1965

Document ID
5357795973676720953
Author
Bello P
Publication year
Publication venue
IEEE Transactions on Communication Technology

External Links

Snippet

The design optimization of digital communication systems using selectively fading transmission media such as HF and troposcatter requires knowledge of the selective fading characteristics of the media. A minimal characterization is provided by the gross channel …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08—Measuring electromagnetic field characteristics
    • G01R29/10—Radiation diagrams of aerials; Antenna testing in general
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • 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
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver

Similar Documents

Publication Publication Date Title
Bello Some techniques for the instantaneous real-time measurement of multipath and Doppler spread
Vilar et al. An experimental mm-wave receiver system for measuring phase noise due to atmospheric turbulence
US3537008A (en) Communications system incorporating means for combatting multipath interference
Hewitt et al. Selective fading on LOS microwave links: Classical and spread-spectrum measurement techniques
US2970258A (en) Apparatus for measuring envelope delay
EP1970728B1 (en) DSSS radar, method implemented by radar and computer-readable storage medium
US2261272A (en) Radiant energy distance measuring system
US2718638A (en) Signal correlation radio receiver
CN101776753A (en) Symmetrical double-journey incoherent speed measurement method of air fleet link
CN102539944A (en) Method for measuring phase noise based on phase discrimination method
Cullen et al. Wide-band measurement and analysis techniques for the mobile radio channel
Peterson Frequency detection and speech formants
KR960016242A (en) Improved methods and apparatus for demodulating digital wireless signals, wireless digital networks, local area networks, and phase modulated wireless local area networks
US4186397A (en) Short range precision navigation and tracking system and method therefor
US3068474A (en) Radio direction finding system
Busignies et al. Some relations between speed of indication, bandwidth, and signal-to-random-noise ratio in radio navigation and direction finding
CN102694610A (en) Calibration system for RDSS channel zero value
US3769585A (en) Method and apparatus for earth-space range measurements employing correction for ionospheric group delay
US3913011A (en) Method and apparatus for measuring conversion of amplitude modulation to phase modulation
Linfield et al. Transmission channel characterization by impulse response measurements
US2709253A (en) Radio ranging system
Bello et al. The effect of frequency selective fading on intermodulation distortion and subcarrier phase stability in frequency modulation systems
US3790940A (en) Communication apparatus having a ranging capability
CN113541825B (en) Phase control array ground system test platform
US2485582A (en) Receiver system