1. A system comprising:
a first processor for processing a input signal into a ultra narrowband (UNB) processed signal;
a second processor for processing a input signal into a TDMA processed signal; and
a transmitter for receiving and transmitting said first and second processor processed signal.
2. The system of claim 1, wherein said transmitter comprises a transmit filter and said system comprises a receiver and receive filter for reception and filtering of a UNB and of a TDMA transmitted signal, wherein said receive filter is mis-matched to said transmit filter.
3. The system of claim 1, wherein said transmitter for transmitting comprises a Multiple Input Multiple Output (MIMO) antenna system and wherein said UNB processor comprises a clock pulse position modulation processor.
4. The system of claim 1, comprising a ultra wideband (UWB) processor and connection means for processing and connecting a processed UWB signal into said transmitter, wherein said transmitter is connected to a spread spectrum processor for spread spectrum processing of said spread spectrum processed signal.
5. The system of claim 1, wherein said transmitter comprises a quadrature modulator for modulation and transmission of said TDMA processed signal and a FM modulator for modulation and transmission of said UNB processed signal.
6. The system of claim 1, wherein said transmitter comprises a non-quadrature modulator for modulation and transmission of said TDMA processed signal and a quadrature modulator for modulation and transmission of said UNB processed signal.
7. The system of claim 1, comprising a third processor for receiving and processing said first and second processor processed signal and for providing third processor processed spread spectrum signal to a Multiple Input Multiple Output (MIMO) antenna system.
8. A system comprising:
a first processor for processing a input signal into a ultra wideband (UWB) processed signal;
a second processor for processing a input signal into a processed signal used in a GMSK modulated system;
a combiner for combining said first and second processor processed signal and for providing combined signal to a transmitter; and
a transmitter for transmitting said combined signal, said transmitter comprising Multiple Input Multiple Output (MIMO) antenna system.
9. The system of claim 8, wherein said transmitter comprises a transmit filter and said system comprises a receiver and receive filter for reception and filtering of a UWB and of a GMSK modulated signal, wherein said receive filter is mis-matched to said transmit filter.
10. The system of claim 8, wherein said transmitter comprises a quadrature modulator for modulation and transmission of said UWB processed signal, a non-quadrature modulator for modulation of said signal used in a GMSK modulated system and a Multiple Input Multiple Output (MIMO) antenna system.
11. The system of claim 8, wherein said transmitter comprises a quadrature modulator for modulation and transmission of said signal used in GMSK modulated system and of said UWB processed signal.
12. The system of claim 8, comprising a ultra narrowband (UNB) processor and connection means for processing and connecting a processed UNB signal into said transmitter, wherein said transmitter is connected to a spread spectrum processor for spread spectrum processing of said spread spectrum processed signal.
13. The system of claim 8, comprising a ultra narrowband (UNB) processor, wherein said UNB processor comprises a clock pulse position modulation processor.
14. A system comprising:
a first processor for processing a input signal into a ultra wideband (UWB) processed signal;
a second processor for processing a input signal into a second generation cellular system specified spread spectrum processed signal;
a selector or combiner for selecting or combining said first or second processor processed signal and for providing selected or combined signal to a transmitter; and
a transmitter for transmitting said selected or combined signal.
15. The system of claim 14, wherein said transmitter comprises a transmit filter and said system comprises a receiver and receive filter for reception and filtering of a UWB and of a spread spectrum transmitted signal, wherein said receive filter is mis-matched to said transmit filter and said system further comprises a ultra narrowband (UNB) processor and connection means for processing and connecting a processed UNB signal into said transmitter, wherein said transmitter is connected to a spread spectrum processor for spread spectrum processing of said spread spectrum processed signal.
16. The system of claim 14, wherein said transmitter for transmitting comprises a Multiple Input Multiple Output (MIMO) antenna system and wherein said system comprises a ultra narrowband (UNB) processor and said UNB processor comprises a processing means of the data signals to generate control signals and control means to provide selection of majority fraction of a bit period duration of the transmitted signal and minority fraction of a bit period of the transmitted signal and said transmitter comprises a quadrature modulator for modulation and transmission of said spread spectrum processed signal and non-quadrature modulation of said UWB processed signal
17. The system of claim 14, comprising a third processor for receiving and processing said selected or combined signal in said third processor and for providing a spread spectrum third processor processed signal to said transmitter.
18. The system of claim 14, comprising a ultra narrowband (UNB) processor, wherein said UNB processor comprises a clock pulse position modulation processor.
19. A system comprising:
a first processor for processing a input signal into a ultra wideband (UWB) processed signal and for providing said first processor processed signal to a signal transmitter;
a second processor for processing a input signal into a processed TDMA signal and for providing said second processor processed signal to a signal transmitter;
a third processor for processing a input signal into a ultra narrowband (UNB) processed signal and for providing said third processor processed signal to a signal transmitter;
a transmitter for receiving and transmitting said first, second and third processor processed signal.
20. The system of claim 19, wherein said transmitter comprises a transmit filter and said system comprises a receiver and receive filter for reception and filtering of a UWB, TDMA and UNB transmitted signal, wherein said receive filter is mis-matched to said transmit filter.
21. The system of claim 19, comprising third processor for receiving and processing said selected or combined signal in said third processor and for providing a spread spectrum third processor processed signal to said transmitter and said transmitter comprises a Multiple Input Multiple Output (MIMO) antenna system.
22. The system of claim 19, wherein said transmitter comprises a quadrature modulator for modulation and transmission of said processed UWB signal, a non-quadrature modulator for modulation and transmission of said processed TDMA signal and a Multiple Input Multiple Output (MIMO) antenna system.
23. The system of claim 19, wherein said transmitter comprises a non-quadrature modulator for modulation and transmission of said processed UWB, TDMA and UNB signals.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A radar apparatus comprising:
a plurality of antenna sub-modules which are separately arranged from each other at arbitrary positions within a preset range, and that function as individual active phased array antennas, and that also function, as a whole, as a single active phased array antenna;
a control device which forms a reception beam by exciting the plurality of antenna sub-modules and by individually and selectively applying directional control; and
a reception processor which obtains a beam combination signal by taking in a reception signal obtained by each of the plurality of antenna sub-modules to apply distributed aperture combination processing to the reception signal.
2. The apparatus according to claim 1, wherein
the reception processor comprises:
a storage device which stores the reception signals obtained by the plurality of antenna sub-modules along with reception timing in storage areas corresponding to processing range cells;
a weight calculation device which takes in the reception signal obtained by any one of the plurality of antenna sub-modules, estimates a reference signal as a reference of amplitude and phase of the reception signal, and calculates each appropriate weight corresponding to a distance; and
a reception beam combination device which computes a covariance matrix from data of cells assumed to be formed solely from unnecessary waves excluding range cells assumed to include a target signal from the storage device, and combines a reception beam by weighting to an antenna reception signal by means of appropriate weight calculated by the weight calculation device on the basis of the covariance matrix.
3. The apparatus according to claim 1, wherein
the control device selects a corresponding-module from each coverage range of the plurality of antenna sub-modules in advance.
4. The radar apparatus according to claim 2, wherein:
the reception beam combination device stores the reception signals obtained by the plurality of antenna sub-modules along with reception timing in storage areas corresponding to processing rages;
estimates a reference signal by defining the reception signal obtained by any one of the plurality of antenna sub-modules as a reference of amplitude and phase to calculate each appropriate weight of range cells corresponding to a distance; and,
computes a covariance matrix from data of cells assumed to be formed solely from unnecessary waves excluding range cells assumed to include a target signal from a storage device, and combines a reception beam by weighting to an antenna reception signal by means of appropriate weight calculated by the weight calculation device on the basis of the covariance matrix.
5. The apparatus according to claim 1, wherein
the control device selects a corresponding-module from each coverage range of the plurality of the antenna sub-modules in advance, when a target direction is decided.
6. A method for forming a reception beam of a radar apparatus, comprising:
dividing an active phased array antenna that functions, as a whole, as a single active phased array antenna into a plurality of antenna sub-modules that function as individual active phased array antennas, and to install each divided module to be separately arranged from each other at an arbitrary position within a preset range;
forming a reception beam by exciting the plurality of antenna sub-modules to individually and selectively apply direction control; and
combining a beam combination signal by taking in a reception signal each obtained by the plurality of antenna sub-modules to apply distributed aperture combination processing.