CN113794501A - Mars surround microwave network device - Google Patents
Mars surround microwave network device Download PDFInfo
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- CN113794501A CN113794501A CN202111016261.9A CN202111016261A CN113794501A CN 113794501 A CN113794501 A CN 113794501A CN 202111016261 A CN202111016261 A CN 202111016261A CN 113794501 A CN113794501 A CN 113794501A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18502—Airborne stations
- H04B7/18506—Communications with or from aircraft, i.e. aeronautical mobile service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/59—Responders; Transponders
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention provides a Mars surround microwave network device.A first interface X1, a second interface X2 and a third interface X3 are arranged at the input end of a receiving microwave network device; the output end of the receiving microwave network device is provided with a fourth interface X4 and a fifth interface X5; the input end of the transmitting microwave network device is provided with a sixth interface X6 and a seventh interface X7; the output end of the transmitting microwave network device is provided with an eighth interface X8, a ninth interface X9, a tenth interface X10 and an eleventh interface X11. The invention realizes the cross combination between the high-low and medium-gain antenna and the deep space transponder and amplifier, solves the problem of switching between different uplink and downlink receiving and transmitting channels of the Mars detector, and meets the requirement of switching the communication mode in the whole process during the whole Mars detection task.
Description
Technical Field
The invention relates to the technical field of spacecraft communication, in particular to a Mars circulator microwave network device, and particularly relates to a Mars circulator high-reliability multi-mode switching microwave network device.
Background
Deep space exploration refers to exploration activities beyond the earth system and in the space beyond the solar system, and the communication distance is as high as hundreds of billions of kilometers. Taking the mars detection as an example, the detector needs to go through an ascending segment, a ground fire transfer segment and a mars capturing segment from the process of emission to the process of being captured by the mars, and the farthest communication distance reaches 4 hundred million kilometers. The longer the communication distance, the greater the spatial attenuation. In order to realize normal communication in a large dynamic change range and ensure that the near-distance power is unsaturated, a measurement and control link with low power and low gain is adopted near the ground; a high-power and high-gain measurement and control link is adopted in a remote place, so that a set of high-reliability microwave network device is required to realize the switching of uplink and downlink channels.
The patent document with publication number CN206023764U discloses a space-ground based integrated transponder microwave network, which belongs to the technical field of space navigation system measurement and control, and comprises a receiving microwave network and a transmitting microwave network, wherein the receiving microwave network receives two paths of ground measurement and control signals for amplification, filtering and combining processing, and simultaneously receives a space-based relay satellite measurement and control signal for amplification and filtering, and then the space-based signal and a ground-based signal are combined by a coupler and then are shunted to the space-ground based integrated transponder; the transmitting microwave network adopts a coupler to divide the transponder radio frequency signal into a space-based radio frequency signal and a foundation radio frequency signal, the space-based transmission signal is filtered, amplified and output to a space-based transmitting antenna, and the foundation radio frequency signal is divided into two paths by a divider and sent to two foundation transmitting antennas. Patent document CN204966649U discloses a broadband circularly polarized four-port microwave network in Ka band, which can transmit and receive circularly polarized signals at the same time by using a reflecting surface antenna in Ka band, and mainly realizes the synthesis of circularly polarized signals and high degree isolation of the transmitted and received signals. The high-frequency-bandwidth orthogonal mode coupler comprises two frequency duplexers, a low-frequency waveguide bridge, a high-frequency waveguide bridge and a Ka broadband orthogonal mode coupler, wherein two waveguide outlets of the Ka broadband orthogonal mode coupler are respectively connected with one frequency duplexer, straight ports of the two frequency duplexers are respectively communicated with the two waveguide ports of the low-frequency waveguide bridge in a one-to-one correspondence manner, and outlets of side wall branches of the two frequency duplexers are respectively communicated with the two waveguide ports of the high-frequency waveguide bridge in a one-to-one correspondence manner. Patent document CN109873658A discloses a space-ground integrated measurement and control system, which includes: the space-ground integrated spread spectrum measurement and control transponder; a relay power amplifier; a microwave network; the satellite-ground measurement and control omnidirectional receiving and transmitting antenna; satellite-ground/relay measurement and control transceiving antennas; a relay measurement and control transmitting antenna; a satellite borne computer; and a BD/GPS receiving antenna. Patent document CN203631712U discloses a combined microwave network, which includes multiple microstrip power dividing networks, multiple microstrip combining networks and a metal isolation wall; all the microstrip power distribution networks are arranged on one surface of the metal partition wall in parallel and at equal intervals and are perpendicular to the metal partition wall; all the microstrip synthetic networks are arranged on the other side of the metal partition wall in parallel and at equal intervals and are vertical to the metal partition wall; the surface of each microstrip power distribution network is vertical to the surface of each microstrip synthesis network, and each microstrip power distribution network is connected with each microstrip synthesis network. None of the above patent documents, however, relates to switching of microwave channels.
Disclosure of Invention
In view of the defects in the prior art, the invention aims to provide a Mars surround microwave network device.
The Mars surround microwave network device provided by the invention comprises a receiving microwave network device and a transmitting microwave network device;
the input end of the receiving microwave network device is provided with a first interface X1, a second interface X2 and a third interface X3, the first interface X1 and the second interface X2 are used for connecting a low-gain receiving antenna, and the third interface X3 is used for connecting a high-gain receiving antenna;
the output end of the receiving microwave network device is provided with a fourth interface X4 and a fifth interface X5, the fourth interface is used for being connected with the input end of a master deep space responder A, and the fifth interface is used for being connected with the input end of a backup deep space responder B;
the input end of the transmitting microwave network device is provided with a sixth interface X6 and a seventh interface X7, the sixth interface X6 is used for connecting the output end of the main backup deep space responder A, and the seventh interface X7 is used for connecting the output end of the backup deep space responder B;
an eighth interface X8, a ninth interface X9, a tenth interface X10, and an eleventh interface X11 are arranged at an output end of the transmitting microwave network device, where the eighth interface X8 and the ninth interface X9 are used to connect a traveling wave tube amplifier, and the tenth interface X10 and the eleventh interface X11 are used to connect a solid-state power amplifier.
Preferably, the receiving microwave network device includes a first receiving coaxial switch, a second receiving coaxial switch, a receiving microwave network backplane, a first receiving filter and a second receiving filter;
the first receiving coaxial switch, the second receiving coaxial switch, the first receiving filter and the second receiving filter are all arranged on the receiving microwave network bottom plate;
the first receiving coaxial switch is respectively connected with the second interface X2, the third interface X3 and the input end of the first receiving filter;
the second receiving coaxial switch is respectively connected with the output end of the first receiving filter, the output end of the second receiving filter, the fourth interface X4 and the fifth interface X5.
Preferably, the first receiving coaxial switch and the second receiving coaxial switch do not have a null connection.
Preferably, the insertion loss of the central frequency point of each of the first receiving filter and the second receiving filter is not greater than 0.5 dB.
Preferably, the first receive filter and the second receive filter out-of-band rejection is better than 80 dB.
Preferably, the transmitting microwave network device includes a first transmitting coaxial switch, a second transmitting coaxial switch, a transmitting microwave network backplane and a transmitting power divider;
the first transmitting coaxial switch, the second transmitting coaxial switch and the transmitting power divider are all arranged on a transmitting microwave network bottom plate;
the first transmitting coaxial switch is respectively connected with the eighth interface X8, the ninth interface X9 and the second transmitting coaxial switch;
the second transmitting coaxial switch is respectively connected with the sixth interface X6, the seventh interface X7 and the input end of the transmitting power divider;
the output end of the transmission power divider is respectively connected to the tenth interface X10 and the eleventh interface X11.
Preferably, the first transmitting coaxial switch and the second transmitting coaxial switch are not in a null connection state.
Preferably, the insertion loss of each path of the transmission power divider is not more than 3 dB.
Preferably, the insertion loss of each of the first transmitting coaxial switch and the second transmitting coaxial switch is not greater than 0.2 dB.
Preferably, the device further comprises a waveguide switch, wherein the waveguide switch is used for connecting the traveling wave tube amplifier and the transmitting antenna; the insertion loss of the waveguide switch is not more than 0.2 dB.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention realizes the cross combination between the high-low and medium-gain antenna and the deep space transponder and amplifier, solves the problem of switching between different uplink and downlink receiving and transmitting channels of the Mars detector, and meets the requirement of switching the communication mode in the whole process during the whole Mars detection task;
2. the invention has lower insertion loss and signal filtering function, and ensures the receiving and transmitting quality of signals;
3. the invention can realize the cross redundancy backup among a plurality of products, improves the reliability of the system and has very important engineering value for deep space exploration.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of a Mars surround microwave network device of the present invention;
FIG. 2 is a schematic diagram of a first receive filter in the Mars surround microwave network apparatus of the present invention;
FIG. 3 is a schematic diagram of a first receiving coaxial switch in the Mars surround microwave network apparatus of the present invention;
FIG. 4 is a schematic diagram of a second receive coaxial switch in the Mars surround microwave network apparatus of the present invention;
fig. 5 is a schematic diagram of a transmitting power divider in the Mars surround microwave network device according to the present invention;
fig. 6 is a schematic diagram of a first transmitting coaxial switch in the mars-surround microwave network apparatus of the present invention;
fig. 7 is a schematic diagram of a second transmitting coaxial switch in the mars-surround microwave network apparatus of the present invention.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
Example 1:
as shown in fig. 1 to 7, the mars-surround microwave network device provided in this embodiment includes a receiving microwave network device and a transmitting microwave network device, an input end of the receiving microwave network device is provided with a first interface X1, a second interface X2, and a third interface X3, the first interface X1 and the second interface X2 are used to connect a low-gain receiving antenna, the third interface X3 is used to connect a high-gain receiving antenna, an output end of the receiving microwave network device is provided with a fourth interface X4 and a fifth interface X5, the fourth interface is used to connect an input end of a master deep space responder a, the fifth interface is used to connect an input end of a backup deep space responder B, an input end of the transmitting microwave network device is provided with a sixth interface X6 and a seventh interface X7, the sixth interface X6 is used to connect an output end of the master deep space responder a, the seventh interface X7 is used to connect an output end of the backup deep space responder B, the output end of the transmitting microwave network device is provided with an eighth interface X8, a ninth interface X9, a tenth interface X10 and an eleventh interface X11, the eighth interface X8 and the ninth interface X9 are used for connecting a traveling wave tube amplifier, and the tenth interface X10 and the eleventh interface X11 are used for connecting a solid-state power amplifier. The waveguide switch is used for connecting the traveling wave tube amplifier and the transmitting antenna; the insertion loss of the waveguide switch is not more than 0.2 dB.
The microwave receiving network device comprises a first receiving coaxial switch, a second receiving coaxial switch, a receiving microwave network baseplate, a first receiving filter and a second receiving filter, wherein the first receiving coaxial switch, the second receiving coaxial switch, the first receiving filter and the second receiving filter are all arranged on the receiving microwave network baseplate, the first receiving coaxial switch is respectively connected with the second interface X2, the third interface X3 and the input end of the first receiving filter, and the second receiving coaxial switch is respectively connected with the output end of the first receiving filter, the output end of the second receiving filter, the fourth interface X4 and the fifth interface X5. The first receiving coaxial switch and the second receiving coaxial switch are not in idle connection. The insertion loss of the central frequency points of the first receiving filter and the second receiving filter is not more than 0.5 dB. The first receive filter and the second receive filter have out-of-band rejection better than 80 dB.
The transmitting microwave network device comprises a first transmitting coaxial switch, a second transmitting coaxial switch, a transmitting microwave network baseplate and a transmitting power divider, wherein the first transmitting coaxial switch, the second transmitting coaxial switch and the transmitting power divider are all arranged on the transmitting microwave network baseplate, the first transmitting coaxial switch is respectively connected with an eighth interface X8, a ninth interface X9 and the second transmitting coaxial switch, the second transmitting coaxial switch is respectively connected with a sixth interface X6, a seventh interface X7 and the input end of the transmitting power divider, and the output end of the transmitting power divider is respectively connected with a tenth interface X10 and an eleventh interface X11. The first transmitting coaxial switch and the second transmitting coaxial switch are not in idle connection. The insertion loss of each path of the transmitting power divider is not more than 3 dB. The insertion loss of the first transmitting coaxial switch and the insertion loss of the second transmitting coaxial switch are not more than 0.2 dB.
Example 2:
those skilled in the art will understand this embodiment as a more specific description of embodiment 1.
As shown in fig. 1 to 7, the high-reliability multi-mode switching microwave network device for a mars surround device provided in this embodiment includes a set of receiving microwave network devices and a set of transmitting microwave network devices.
The receiving microwave network device comprises a receiving coaxial switch 1, a receiving coaxial switch 2, a receiving microwave network bottom plate, a receiving filter 1 and a receiving filter 2. The input end of the device is provided with three interfaces which are respectively connected with a low-gain receiving antenna 1, a low-gain receiving antenna 2 and a high-gain antenna; the output end is provided with two interfaces which are respectively connected to the input ends of the master and the backup of the deep space answering machine. The condition of no idle connection exists between the receiving coaxial switch 1 and the receiving coaxial switch 2. The insertion loss of the central frequency point of the receiving filter is not more than 0.5dB, and the insertion loss of the coaxial switch is not more than 0.2 dB. The out-of-band rejection of the receive filter is better than 80 dB.
The receiving coaxial switch 1 is a single-pole double-throw switch, the fixed end is respectively connected with the low-gain antenna 2 and the high-gain antenna, and the movable end is connected with the receiving filter 2; the receiving coaxial switch 2 is a double-pole double-throw switch, the input end of the receiving coaxial switch is connected with the output of the filter, and the output end of the receiving coaxial switch is connected with the input of the deep space responder.
The transmitting microwave network device comprises a transmitting coaxial switch 1, a transmitting coaxial switch 2, a transmitting microwave network bottom plate and a transmitting power divider. The input end of the device is provided with two interfaces which are respectively connected with the output ends of a deep space responder A and a deep space responder B; the output end of the device is provided with four interfaces which are respectively connected to the channel A and the channel B of the solid-state power amplifier and the channel A and the channel B of the traveling wave tube amplifier. The transmitting coaxial switch 1 and the transmitting coaxial switch 2 are not in a condition of idle connection. The insertion loss of each path of the transmitting power divider is not more than 3dB, the insertion loss of the coaxial switch is not more than 0.2dB, and the insertion loss of the waveguide switch is not more than 0.2 dB.
The input end of the waveguide switch 1 is respectively connected with two output lines of the line amplifier, one output end of the waveguide switch 1 is connected with the high-gain antenna, the other output line and the other output line of the line amplifier are used as the input end of the waveguide switch 2, and the two output lines of the waveguide switch 2 are respectively connected with the medium-gain antenna and the low-gain antenna.
Example 3:
those skilled in the art will understand this embodiment as a more specific description of embodiment 1.
The microwave network device for switching the uplink and the downlink of the deep space probe through multiple channels provided by the embodiment comprises a receiving microwave network device and a transmitting microwave network device.
A receiving microwave network device, such as the receiving microwave network device shown in fig. 1, includes a receiving filter 1/2, a receiving coaxial switch 1/2, and a receiving microwave backplane. The filter and the coaxial switch are mounted on a microwave chassis which is fixed on the star inner side plate and has three input ports X1, X2 and X3 and two output ports X4 and X5. The low gain receiving antenna 1 is connected with the input end of the receiving filter 1 through X1, the output end of the receiving filter 1 is connected with X01G of the receiving coaxial switch 2, and X03G of the receiving coaxial switch 2 is sent to the input end of the deep space transponder A through X4. The low-gain receiving antenna 2 and the high-gain antenna are respectively connected to X01G and X03G of the receiving coaxial switch 1 through X2 and X3, X02G of the receiving coaxial switch 1 is connected with X04G of the receiving coaxial switch 2 through the receiving filter 2, and X02G is connected with the input end of the deep space transponder B through X5.
The receiving coaxial switch 1 and the receiving coaxial switch 2 do not have the condition of idle connection, and the uplink channel combination of any antenna and any transponder can be realized through the switching of the switches.
FIG. 2 shows a receiving filter, in which two electric connectors are SMA-F, the working frequency band is X frequency band, the insertion loss is not more than 0.5dB, and the out-of-band rejection is better than 80 dB.
Fig. 3 shows that the receiving coaxial switch 1, 3 SMA-F electric connectors correspond to the radio frequency interfaces X01G, X02G and X03G in the receiving coaxial switch 1 in fig. 1, and 1 DSU-B-9 core interface is connected with a comprehensive electronic single machine and used for remote control receiving and remote control output, and the insertion loss is not more than 0.2 dB.
Fig. 4 shows a receiving coaxial switch 2, 4 SMA-F electric connectors corresponding to the radio frequency interfaces X01G, X02G, X03G and X04G in the receiving coaxial switch 2 of fig. 1, 1 DSU-B-9 core interface is connected with a comprehensive electronic single machine for remote control receiving and remote measurement output, and the insertion loss is not more than 0.2 dB.
A transmitting microwave network device, such as the one shown in fig. 1, includes a transmitting power divider, a receiving coaxial switch 1/2, and a transmitting microwave backplane. The transmitting power divider and the coaxial switch are arranged on a microwave bottom plate, the microwave bottom plate is fixed on the star inner side plate, and the microwave bottom plate is provided with two input ports X6 and X7 and four output ports X8, X9, X10 and X11 in total. The main backup of the deep space responder is respectively connected with X2G and X3G of the input end of the transmitting coaxial switch 2 through X6 and X7, the output end X1G of the transmitting coaxial switch 2 is connected with X02G of the transmitting coaxial switch 1, and X04G is connected with the input end X01G of the transmitting power divider. The X01G and X03G of the transmitting coaxial switch 1 are connected with the A channel and the B channel of the traveling wave tube amplifier through X8 and X9. The X02G and X03G of the transmitting power divider are connected with the A channel and the B channel of the solid-state power amplifier through X10 and X11.
The transmitting coaxial switch 1 and the transmitting coaxial switch 2 do not have the condition of idle connection, and the combination of the main backup of the deep space responder and the downlink channel of any amplifier main backup can be realized by switching the switches.
Fig. 5 shows a transmission power divider, two electric connectors are SMA-F, the working frequency band is X frequency band, and the insertion loss is not more than 3 dB.
Fig. 6 shows a transmitting coaxial switch 1, wherein 3 SMA-F electric connectors correspond to the radio frequency interfaces X01G, X02G and X03G in the transmitting coaxial switch 1 of fig. 1, and 1 DSU-B-9 core interface is connected with an integrated electronic single machine.
Fig. 7 shows a transmitting coaxial switch 2, wherein 4 SMA-F electric connectors correspond to the radio frequency interfaces X01G, X02G, X03G and X04G in the transmitting coaxial switch 2 of fig. 1, and 1 DSU-B-9 core interface is connected with an integrated electronic single machine.
The invention realizes the cross combination between the high-low and medium-gain antenna and the deep space transponder and amplifier, solves the problem of switching between different uplink and downlink receiving and transmitting channels of the Mars detector, and meets the requirement of switching the communication mode in the whole process during the whole Mars detection task. The device has lower insertion loss and signal filtering effects, ensures the receiving and transmitting quality of signals, can realize cross redundancy backup among multiple products, improves the reliability of a system, and has very important engineering value for deep space exploration.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A Mars surround microwave network device is characterized by comprising a receiving microwave network device and a transmitting microwave network device;
the input end of the receiving microwave network device is provided with a first interface X1, a second interface X2 and a third interface X3, the first interface X1 and the second interface X2 are used for connecting a low-gain receiving antenna, and the third interface X3 is used for connecting a high-gain receiving antenna;
the output end of the receiving microwave network device is provided with a fourth interface X4 and a fifth interface X5, the fourth interface is used for being connected with the input end of a master deep space responder A, and the fifth interface is used for being connected with the input end of a backup deep space responder B;
the input end of the transmitting microwave network device is provided with a sixth interface X6 and a seventh interface X7, the sixth interface X6 is used for connecting the output end of the main backup deep space responder A, and the seventh interface X7 is used for connecting the output end of the backup deep space responder B;
an eighth interface X8, a ninth interface X9, a tenth interface X10, and an eleventh interface X11 are arranged at an output end of the transmitting microwave network device, where the eighth interface X8 and the ninth interface X9 are used to connect a traveling wave tube amplifier, and the tenth interface X10 and the eleventh interface X11 are used to connect a solid-state power amplifier.
2. The Mars surround microwave network device of claim 1, wherein the receiving microwave network device comprises a first receiving coaxial switch, a second receiving coaxial switch, a receiving microwave network backplane, a first receiving filter, and a second receiving filter;
the first receiving coaxial switch, the second receiving coaxial switch, the first receiving filter and the second receiving filter are all arranged on the receiving microwave network bottom plate;
the first receiving coaxial switch is respectively connected with the second interface X2, the third interface X3 and the input end of the first receiving filter;
the second receiving coaxial switch is respectively connected with the output end of the first receiving filter, the output end of the second receiving filter, the fourth interface X4 and the fifth interface X5.
3. A mars surround microwave network apparatus as claimed in claim 2, wherein the first receive coaxial switch and the second receive coaxial switch are both not null connected.
4. The Mars surround microwave network device of claim 2, wherein the insertion loss of the center frequency point of the first receiving filter and the second receiving filter is not more than 0.5 dB.
5. A mars surround microwave network apparatus as claimed in claim 2, wherein the first receive filter and the second receive filter out-of-band rejection is better than 80 dB.
6. A mars surround microwave network apparatus as claimed in claim 1, wherein the launch microwave network apparatus comprises a first launch coaxial switch, a second launch coaxial switch, a launch microwave network backplane, and a launch power divider;
the first transmitting coaxial switch, the second transmitting coaxial switch and the transmitting power divider are all arranged on a transmitting microwave network bottom plate;
the first transmitting coaxial switch is respectively connected with the eighth interface X8, the ninth interface X9 and the second transmitting coaxial switch;
the second transmitting coaxial switch is respectively connected with the sixth interface X6, the seventh interface X7 and the input end of the transmitting power divider;
the output end of the transmission power divider is respectively connected to the tenth interface X10 and the eleventh interface X11.
7. A Mars surround microwave network device as in claim 6, wherein there is no air-to-ground condition for both the first transmit coaxial switch and the second transmit coaxial switch.
8. A Mars surround microwave network device as claimed in claim 6, wherein the transmit power divider has no more than 3dB per path insertion loss.
9. The Mars surround microwave network device of claim 6, wherein the insertion loss of the first transmit coaxial switch and the second transmit coaxial switch are each no greater than 0.2 dB.
10. The mars surround microwave network apparatus of claim 1, further comprising a waveguide switch for connecting a traveling-wave tube amplifier and a transmit antenna; the insertion loss of the waveguide switch is not more than 0.2 dB.
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