Utility model content
The purpose of this utility model is the emitting module providing a kind of phased array antenna, is intended to solve existing emitting module and there is the problem cannot launching broadband microwave signal.
The utility model realizes like this, a kind of emitting module of phased array antenna, described emitting module receives the microwave signal after promoting level amplifier and carrying out power amplification process, and described emitting module comprises merit sub-module, the first gating module, the second gating module, the first signal processing module and secondary signal processing module.
The input of described merit sub-module receives described microwave signal, first output of described merit sub-module is connected with the input of described second gating module with the input of described first gating module respectively with the second output, and the output of described first gating module is connected with the input of described secondary signal processing module with the input of described first signal processing module respectively with the output of described second gating module.
Described merit sub-module distributes according to the power of preset ratio to described microwave signal, to generate the first microwave signal and the second microwave signal, described first gating module is chosen the microwave signal be within the scope of the first predeterminated frequency and is exported the first signal processing module to from described first microwave signal, described second gating module is chosen the microwave signal be within the scope of the second predeterminated frequency and is exported secondary signal processing module to from described second microwave signal, export after described first signal processing module and described secondary signal processing module carry out parameter processing to the microwave signal received respectively.
Another object of the present utility model is also to provide a kind of phased array antenna comprising above-mentioned emitting module.
In the utility model, the emitting module of phased array antenna comprises merit sub-module, the first gating module, the second gating module, the first signal processing module and secondary signal processing module, wherein the first gating module gating is in the microwave signal within the scope of the first predeterminated frequency, second gating module gating is in the microwave signal within the scope of the second predeterminated frequency, the frequency range of the microwave signal that emitting module can be launched is the first predeterminated frequency scope and the second predeterminated frequency scope sum, therefore, above-mentioned emitting module can realize the transmitting of broadband microwave signal.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 shows the structure of the emitting module of the phased array antenna that the utility model embodiment provides, and for convenience of explanation, illustrate only the part relevant to the utility model embodiment, details are as follows:
Emitting module receives the microwave signal after promoting level amplifier 100 and carrying out power amplification process, and emitting module comprises merit sub-module 200, first gating module 300, second gating module 400, first signal processing module 500 and secondary signal processing module 600.
The input of merit sub-module 200 receives above-mentioned microwave signal, first output of merit sub-module 200 is connected with the input of the second gating module 400 with the input of the first gating module 300 respectively with the second output, and the output of the first gating module 300 is connected with the input of secondary signal processing module 600 with the input of the first signal processing module 500 respectively with the output of the second gating module 400.
Merit sub-module 200 distributes according to the power of preset ratio to above-mentioned microwave signal, to generate the first microwave signal and the second microwave signal, first gating module 300 is chosen the microwave signal be within the scope of the first predeterminated frequency and is exported the first signal processing module 500 to from the first microwave signal, second gating module 400 is chosen the microwave signal be within the scope of the second predeterminated frequency and is exported secondary signal processing module 600 to from the second microwave signal, first signal processing module 500 and secondary signal processing module 600 export after carrying out parameter processing to the microwave signal received respectively.
Concrete, preset ratio can be 1:1 or other ratio values, and namely the power of the first microwave signal and the power of the second microwave signal can be identical, also can be different.
Concrete, merit sub-module 200 is two power splitters; First gating module 300 is the first band pass filter, is in the microwave signal within the scope of the first predeterminated frequency in the first band pass filter gating first microwave signal; Second gating module 400 is the second band pass filter, is in the microwave signal within the scope of the second predeterminated frequency in the second band pass filter gating second microwave signal.
Concrete, the first predeterminated frequency scope and the second predeterminated frequency scope zero lap, and the lower limit of the first predeterminated frequency scope is identical with the higher limit of the second predeterminated frequency scope.First predeterminated frequency scope can be 18GHz ~ 26GHz, and the second predeterminated frequency scope can be 26GHz ~ 40GHz.
As the utility model one embodiment, as shown in Figure 2, the first signal processing module 500 comprises the first merit subdivision 501, first phase shift attenuation units 502, first amplifying unit 503, second phase shift attenuation units 504, second amplifying unit 505, the 3rd phase shift attenuation units 506, the 3rd amplifying unit 507, the 4th phase shift attenuation units 508 and the 4th amplifying unit 509.
The input of the first merit subdivision 501 is the input of the first signal processing module 500, first output of the first merit subdivision 501, second output, 3rd output and the 4th output respectively with the first phase shift attenuation units 502, second phase shift attenuation units 504, the input of the 3rd phase shift attenuation units 506 and the 4th phase shift attenuation units 508 is connected, first phase shift attenuation units 502, second phase shift attenuation units 504, the output of the 3rd phase shift attenuation units 506 and the 4th phase shift attenuation units 508 respectively with the first amplifying unit 503, second amplifying unit 505, the input of the 3rd amplifying unit 507 and the 4th amplifying unit 509 is connected.
First merit subdivision 501 distributes according to the power of the first preset ratio to the microwave signal be within the scope of the first predeterminated frequency, to generate the first sub-microwave signal, the second sub-microwave signal, the 3rd sub-microwave signal and the 4th sub-microwave signal.Wherein, the first preset ratio can be 1:1:1:1, also can be other ratio values, and namely the power of the first sub-microwave signal, the second sub-microwave signal, the 3rd sub-microwave signal and the 4th sub-microwave signal can be identical, also can be different.
First phase shift attenuation units 502, second phase shift attenuation units 504, the 3rd phase shift attenuation units 506 and the 4th phase shift attenuation units 508 carry out phase shift attenuation processing to the above-mentioned first sub-microwave signal, the second sub-microwave signal, the 3rd sub-microwave signal and the 4th sub-microwave signal respectively, and the first amplifying unit 503, second amplifying unit 505, the 3rd amplifying unit 507 and the 4th amplifying unit 509 carry out amplification to the sub-microwave signal of first after phase shift attenuation processing, the second sub-microwave signal, the 3rd sub-microwave signal and the 4th sub-microwave signal respectively and process and export.
Concrete, the first merit subdivision 501 is four power splitters, first phase shift attenuation units 502, second phase shift attenuation units 504, the 3rd phase shift attenuation units 506 and the 4th phase shift attenuation units 508 include phase shift decay chip, first amplifying unit 503, second amplifying unit 505, 3rd amplifying unit 507 and the 4th amplifying unit 509 are the first identical magnification processing 510 of structure, as shown in Figure 3, first magnification processing 510 comprises the first promotion level amplifier 511 and the first final amplifier 512, first input promoting level amplifier 511 is the input of the first magnification processing 510, first output promoting level amplifier 511 is connected with the input of the first final amplifier 512, first final amplifier 512 to through first promote level amplifier 511 amplify process after microwave signal again amplify and process and export.
As the utility model one embodiment, as shown in Figure 2, secondary signal processing module 600 comprises the second merit subdivision 601, the 5th phase shift attenuation units 602, the 5th amplifying unit 603, the 6th phase shift attenuation units 604, the 6th amplifying unit 605, the 7th phase shift attenuation units 606, the 7th amplifying unit 607, the 8th phase shift attenuation units 608 and the 8th amplifying unit 609.
The input of the second merit subdivision 601 is the input of secondary signal processing module 600, first output of the second merit subdivision 601, second output, 3rd output and the 4th output respectively with the 5th phase shift attenuation units 602, 6th phase shift attenuation units 604, the input of the 7th phase shift attenuation units 606 and the 8th phase shift attenuation units 608 is connected, 5th phase shift attenuation units 602, 6th phase shift attenuation units 604, the output of the 7th phase shift attenuation units 606 and the 8th phase shift attenuation units 608 respectively with the 5th amplifying unit 603, 6th amplifying unit 605, the input of the 7th amplifying unit 607 and the 8th amplifying unit 609 is connected.
Second merit subdivision 601 distributes according to the power of the second preset ratio to the microwave signal be within the scope of the second predeterminated frequency, to generate the 5th sub-microwave signal, the 6th sub-microwave signal, the 7th sub-microwave signal and the 8th sub-microwave signal.Wherein, the second preset ratio can be 1:1:1:1, also can be other ratio values, and namely the power of the 5th sub-microwave signal, the 6th sub-microwave signal, the 7th sub-microwave signal and the 8th sub-microwave signal can be identical, also can be different.
5th phase shift attenuation units 602, the 6th phase shift attenuation units 604, the 7th phase shift attenuation units 606 and the 8th phase shift attenuation units 608 carry out phase shift attenuation processing to the 5th above-mentioned sub-microwave signal, the 6th sub-microwave signal, the 7th sub-microwave signal and the 8th sub-microwave signal respectively, and the 5th amplifying unit 603, the 6th amplifying unit 605, the 7th amplifying unit 607 and the 8th amplifying unit 609 carry out amplification to the 5th sub-microwave signal after phase shift attenuation processing, the 6th sub-microwave signal, the 7th sub-microwave signal and the 8th sub-microwave signal respectively and process and export.
Concrete, the second merit subdivision 601 is four power splitters, 5th phase shift attenuation units 602, the 6th phase shift attenuation units 604, the 7th phase shift attenuation units 606 and the 8th phase shift attenuation units 608 include phase shift decay chip, 5th amplifying unit 603, 6th amplifying unit 605, 7th amplifying unit 607 and the 8th amplifying unit 609 are the second identical magnification processing 610 of structure, as shown in Figure 4, second magnification processing 610 comprises the second promotion level amplifier 611 and the second final amplifier 612, second input promoting level amplifier 611 is the input of the second magnification processing 610, second output promoting level amplifier 611 is connected with the input of the second final amplifier 612, second final amplifier 612 to through second promote level amplifier 611 amplify process after microwave signal again amplify and process and export.
Based on the application advantage of above-mentioned emitting module in phased array antenna, the utility model additionally provides a kind of phased array antenna comprising above-mentioned emitting module.
In the utility model, the emitting module of phased array antenna comprises merit sub-module 200, first gating module 300, second gating module 400, first signal processing module 500 and secondary signal processing module 600, wherein the first gating module 300 gating is in the microwave signal within the scope of the first predeterminated frequency, second gating module 400 gating is in the microwave signal within the scope of the second predeterminated frequency, the frequency range of the microwave signal that emitting module can be launched is the first predeterminated frequency scope and the second predeterminated frequency scope sum, therefore, above-mentioned emitting module can realize the transmitting of broadband microwave signal.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.