Accurate simulation device and method of radar target distance for linear frequency modulation signal
The invention relates to an accurate simulation device and method of a radar target distance for a linear frequency modulation signal. The accurate simulation device is composed of a down conversion unit, an intermediate-frequency amplification unit and a delay unit. The down conversion unit is form...
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| creator | LIU JUNZHI WANG PANWEI QIAN SHIXIANG ZHANG GUANGSHAN GUO LIQIANG |
| description | The invention relates to an accurate simulation device and method of a radar target distance for a linear frequency modulation signal. The accurate simulation device is composed of a down conversion unit, an intermediate-frequency amplification unit and a delay unit. The down conversion unit is formed by a millimeter-wave down converter module and is used for converting a received millimeter-waveradar signal into an intermediate-frequency signal for post-stage processing. The intermediate-frequency amplification unit consists of a PXI bus programmable amplifier module and is used for amplifying an intermediate frequency signal amplitude after down conversion and carrying out adjustment based on different gain needs. The delay unit is composed of a baseband generating module, an I/Q modulator, and a power control module and is used for modulating a baseband signal to a carrier signal and carrying out amplitude control on the modulated signal. The baseband signal is used as the modulation signal, the received r |
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The accurate simulation device is composed of a down conversion unit, an intermediate-frequency amplification unit and a delay unit. The down conversion unit is formed by a millimeter-wave down converter module and is used for converting a received millimeter-waveradar signal into an intermediate-frequency signal for post-stage processing. The intermediate-frequency amplification unit consists of a PXI bus programmable amplifier module and is used for amplifying an intermediate frequency signal amplitude after down conversion and carrying out adjustment based on different gain needs. The delay unit is composed of a baseband generating module, an I/Q modulator, and a power control module and is used for modulating a baseband signal to a carrier signal and carrying out amplitude control on the modulated signal. 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The accurate simulation device is composed of a down conversion unit, an intermediate-frequency amplification unit and a delay unit. The down conversion unit is formed by a millimeter-wave down converter module and is used for converting a received millimeter-waveradar signal into an intermediate-frequency signal for post-stage processing. The intermediate-frequency amplification unit consists of a PXI bus programmable amplifier module and is used for amplifying an intermediate frequency signal amplitude after down conversion and carrying out adjustment based on different gain needs. The delay unit is composed of a baseband generating module, an I/Q modulator, and a power control module and is used for modulating a baseband signal to a carrier signal and carrying out amplitude control on the modulated signal. 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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING |
| title | Accurate simulation device and method of radar target distance for linear frequency modulation signal |
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