Processing device and processing method
First Claim
Patent Images
1. A processing device comprising:
- a plurality of digital demodulators, each of the digital demodulators configured to generate in-phase and quadrature signal information corresponding to a frequency, wherein each digital demodulator includes;
an analog-to-digital converter (ADC) for sampling and converting an input signal to a digital received signal;
a signal generator for generating a corresponding in-phase signal and a corresponding quadrature signal based on the sampling points of the ADC and the frequency, wherein the signal generator generates a set of in-phase and quadrature signals every 60 degrees, and the ADC also performs sampling every 60 degrees, wherein, at 30 degrees, 90 degrees, 150 degrees, 210 degrees, 270 degrees, and 330 degrees, the signal values corresponding to a sinusoidal wave generated by the signal generator are 1, 2, 1, −
1, −
2, and −
1, respectively; and
the signal values corresponding to a cosine wave generated by the signal generator are 1, 0, 1, −
1, 0, and −
1, respectively;
at least one mixer for mixing the in-phase signal and the digital received signal to generate an in-phase digital signal and mixing the quadrature signal and the digital received signal to generate a quadrature digital signal; and
at least one addition integrator for performing addition integration on the in-phase digital signal to generate an in-phase integration signal and performing addition integration on the quadrature digital signal to generate a quadrature integration signal,wherein the mixer and the addition integrator both perform operations on integers; and
an information transmitting module configured to receive, process, and transmit the in-phase and quadrature signal information generated by the plurality of digital demodulators.
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Abstract
The present invention provides a processing device, which includes a plurality of digital demodulators and an information transmitting module. Each of the digital demodulators is configured to generate in-phase and quadrature signal information corresponding to a frequency. The information transmitting module is configured to receive, process, and transmit the in-phase and quadrature signal information.
5 Citations
18 Claims
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1. A processing device comprising:
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a plurality of digital demodulators, each of the digital demodulators configured to generate in-phase and quadrature signal information corresponding to a frequency, wherein each digital demodulator includes; an analog-to-digital converter (ADC) for sampling and converting an input signal to a digital received signal; a signal generator for generating a corresponding in-phase signal and a corresponding quadrature signal based on the sampling points of the ADC and the frequency, wherein the signal generator generates a set of in-phase and quadrature signals every 60 degrees, and the ADC also performs sampling every 60 degrees, wherein, at 30 degrees, 90 degrees, 150 degrees, 210 degrees, 270 degrees, and 330 degrees, the signal values corresponding to a sinusoidal wave generated by the signal generator are 1, 2, 1, −
1, −
2, and −
1, respectively; and
the signal values corresponding to a cosine wave generated by the signal generator are 1, 0, 1, −
1, 0, and −
1, respectively;at least one mixer for mixing the in-phase signal and the digital received signal to generate an in-phase digital signal and mixing the quadrature signal and the digital received signal to generate a quadrature digital signal; and at least one addition integrator for performing addition integration on the in-phase digital signal to generate an in-phase integration signal and performing addition integration on the quadrature digital signal to generate a quadrature integration signal, wherein the mixer and the addition integrator both perform operations on integers; and an information transmitting module configured to receive, process, and transmit the in-phase and quadrature signal information generated by the plurality of digital demodulators. - View Dependent Claims (2, 3, 4, 6, 7, 8, 9)
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5. A processing device comprising:
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a plurality of digital demodulators, each of the digital demodulators configured to generate in-phase and quadrature signal information corresponding to a frequency, wherein each digital demodulator includes; an analog-to-digital converter (ADC) for sampling and converting an input signal to a digital received signal; a signal generator for generating a corresponding in-phase signal and a corresponding quadrature signal based on the sampling points of the ADC and the frequency, wherein the signal generator generates a set of in-phase and quadrature signals every 90 degrees, and the ADC also performs sampling every 90 degrees, wherein, at 45 degrees, 135 degrees, 225 degrees, and 315 degrees, the signal values corresponding to a sinusoidal wave generated by the signal generator are 1, 1, −
1, and −
1, respectively; and
the signal values corresponding to a cosine wave generated by the signal generator are 1, −
1, −
1, and 1, respectively;at least one mixer for mixing the in-phase signal and the digital received signal to generate an in-phase digital signal and mixing the quadrature signal and the digital received signal to generate a quadrature digital signal; and at least one addition integrator for performing addition integration on the in-phase digital signal to generate an in-phase integration signal and performing addition integration on the quadrature digital signal to generate a quadrature integration signal, wherein the mixer and the addition integrator both perform operations on integers; and an information transmitting module configured to receive, process, and transmit the in-phase and quadrature signal information generated by the plurality of digital demodulators.
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10. A processing method comprising:
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simultaneously performing a plurality of digital demodulation steps, each digital demodulation step generating in-phase and quadrature signal information corresponding to a frequency, wherein the digital demodulation step further includes; performing analog-to-digital conversion (ADC) on a received signal to generate a digital received signal; mixing an in-phase signal and the digital received signal to generate an in-phase digital signal; mixing a quadrature signal and the digital received signal to generate a quadrature digital signal, wherein the frequency of the in-phase signal and the quadrature signal is said frequency, wherein a set of in-phase and quadrature signals is generated every 60 degrees, and the ADC step also performs sampling every 60 degrees, wherein, at 30 degrees, 90 degrees, 150 degrees, 210 degrees, 270 degrees, and 330 degrees, the signal values corresponding to a sinusoidal wave generated are 1, 2, 1, −
1, −
2, and −
1, respectively; and
the signal values corresponding to a cosine wave are 1, 0, 1, −
1, 0, and −
1, respectively;performing addition integration on the in-phase digital signal to generate an in-phase integration signal; and performing addition integration on the quadrature digital signal to generate a quadrature integration signal, wherein the mixing step and the addition integration step both perform operations on integers; and receiving, processing and transmitting the in-phase and quadrature signal information generated by the plurality of digital demodulation steps. - View Dependent Claims (11, 12, 13, 15, 16, 17, 18)
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14. A processing method comprising:
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simultaneously performing a plurality of digital demodulation steps, each digital demodulation step generating in-phase and quadrature signal information corresponding to a frequency, wherein the digital demodulation step further includes; performing analog-to-digital conversion (ADC) on a received signal to generate a digital received signal; mixing an in-phase signal and the digital received signal to generate an in-phase digital signal; mixing a quadrature signal and the digital received signal to generate a quadrature digital signal, wherein the frequency of the in-phase signal and the quadrature signal is said frequency, wherein a set of in-phase and quadrature signals is generated every 60 degrees, and the ADC step also performs sampling every 60 degrees, wherein, at 45 degrees, 135 degrees, 225 degrees, and 315 degrees, the signal values corresponding to a sinusoidal wave generated are 1, 1, −
1, and −
1, respectively; and
the signal values corresponding to a cosine wave are 1, −
1, −
1, and 1, respectively;performing addition integration on the in-phase digital signal to generate an in-phase integration signal; and performing addition integration on the quadrature digital signal to generate a quadrature integration signal, wherein the mixing step and the addition integration step both perform operations on integers; and receiving, processing and transmitting the in-phase and quadrature signal information generated by the plurality of digital demodulation steps.
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Specification