Ultra-wideband radar signal transmitting module
By designing an ultra-wideband radar signal transmission module containing multiple frequency conversion units and amplification units, the problem that the prior art cannot cover the P band to Ka band range is solved, and the frequency coverage and channel detection and gain control functions of 0.1 to 40 GHz are realized.
Patent Information
- Application Number
- CN202421070854.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-05-16
AI Technical Summary
The frequency coverage range of existing radar signal transmission modules cannot reach the P-band to Ka-band range, and cannot meet some ultra-wideband applications.
An ultra-wideband radar signal transmission module is designed, including a broadband baseband frequency conversion unit, a 20GHz up-conversion unit, a down-conversion unit, an amplification unit, a local oscillator 2 frequency double unit, a Ka up-conversion unit, a power supply unit and a single-pole two-switch K1. Through the combination and connection of these units, a frequency coverage of 0.1 to 40GHz is achieved.
It realizes ultra-wideband frequency coverage of 0.1~40GHz, meets the application needs from the P band to the Ka band range, and has channel detection and gain control functions.
Smart Images

Figure CN222913859U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wireless communication, in particular to an ultra-wideband radar signal transmitting module. Background Art
[0002] A radar is a device that uses radio methods to detect targets and determine their spatial positions. The existing radar signal transmitting module cannot cover the frequency range from P-band to Ka-band, and cannot meet the applications with some ultra-wideband requirements. Summary of the Utility Model
[0003] The purpose of the utility model is to provide an ultra-wideband radar signal transmitting module, which solves the problem that the existing radar signal transmitting module cannot cover the frequency range from P-band to Ka-band and cannot meet the applications with some ultra-wideband requirements.
[0004] To achieve the above purpose, an ultra-wideband radar signal transmitting module adopted by the utility model includes a broadband baseband frequency conversion unit, a 20GHz up-conversion unit, a down-conversion unit, an amplification unit, a local oscillator doubling unit, a Ka up-conversion unit, a power supply unit, and a single-pole double-throw switch K1. The broadband baseband frequency conversion unit is respectively connected to the 20GHz up-conversion unit and the single-pole double-throw switch K1. The down-conversion unit is respectively connected to the 20GHz up-conversion unit, the amplification unit, the local oscillator doubling unit, and the Ka up-conversion unit. The amplification unit is connected to the single-pole double-throw switch K1. The power supply unit is respectively connected to the broadband baseband frequency conversion unit, the 20GHz up-conversion unit, the down-conversion unit, the amplification unit, the local oscillator doubling unit, and the Ka up-conversion unit;
[0005] The broadband baseband frequency conversion unit is used to convert the 1875MHz signal into a 0.1 - 1.1GHz signal;
[0006] The 20GHz up-conversion unit is used to convert the 1875MHz signal into a 20GHz signal;
[0007] The down-conversion unit is used to convert the 20GHz signal into a 1 - 18GHz signal and output it in two channels;
[0008] The amplification unit is used to amplify the 1 - 18GHz signal and then output it;
[0009] The Ka up-conversion unit is used to convert the 4 - 17GHz signal into a 27 - 40GHz signal;
[0010] The local oscillator doubling unit is used to receive the local oscillator 2 signal and convert the output local oscillator 2 signal into a 21 - 38GHz signal;
[0011] The power supply unit is used to provide power supply.
[0012] Among them, the broadband baseband frequency conversion unit includes a digital control attenuator DC11, a single-pole double-throw switch K11, a filter B11, a filter B12, a single-pole double-throw switch K12, a single-pole double-throw switch K13, an attenuator D11, an amplifier U11, a mixer P11, an attenuator D12, a filter B13, an amplifier U12, a digital control attenuator DC12, an equalizer E11, an amplifier U13, a digital control attenuator DC13, an amplifier U14, a coupler X11, and a logarithmic detector AD11. The single-pole double-throw switch K11 is respectively connected to the digital control attenuator DC11, the filter B11, and the filter B12. The single-pole double-throw switch K12 is respectively connected to the filter B11, the filter B12, and the single-pole double-throw switch K13. The single-pole double-throw switch K13 is respectively connected to the attenuator D11 and the 20 GHz up-conversion unit. The mixer P11 is respectively connected to the amplifier U11, the attenuator D11, and the attenuator D12. The filter B13 is respectively connected to the attenuator D12 and the amplifier U12. The digital control attenuator DC12 is respectively connected to the amplifier U12 and the digital control attenuator DC12. The equalizer E11 is respectively connected to the digital control attenuator DC12 and the amplifier U13. The digital control attenuator DC13 is respectively connected to the amplifier U13 and the amplifier U14. The coupler X11 is respectively connected to the amplifier U14, the logarithmic detector AD11, and the single-pole double-throw switch K1.
[0013] Among them, the 20 GHz up-conversion unit includes an attenuator D21, a mixer P21, an amplifier U21, an attenuator D22, a filter B21, an amplifier U22, a filter B22, and an attenuator D23. The attenuator D21 is connected to the broadband baseband frequency conversion unit. The mixer P21 is respectively connected to the attenuator D21, the amplifier U21, and the attenuator D22. The filter B21 is respectively connected to the attenuator D22 and the amplifier U22. The filter B22 is connected to the amplifier U22. The attenuator D23 is respectively connected to the filter B22 and the down-conversion unit.
[0014] Among them, the down-conversion unit includes a mixer P31, an attenuator D31, a filter B31, an attenuator D32, an amplifier U31, a single-pole six-throw switch K31, a filter bank B32, a single-pole six-throw switch K32, an equalizer E31, an amplifier U32, an attenuator D33, and a single-pole double-throw switch K33. The mixer P31 is respectively connected to the 20 GHz up-conversion unit, the local oscillator frequency doubling unit, and the attenuator D31. The filter B31 is respectively connected to the attenuator D31 and the attenuator D32. The amplifier U31 is respectively connected to the attenuator D32 and the single-pole six-throw switch K31. The single-pole six-throw switch K32 is connected to the equalizer E31. The amplifier U32 is respectively connected to the single-pole six-throw switch K32 and the attenuator D33. The single-pole double-throw switch K33 is respectively connected to the attenuator D33, the amplification unit, and the Ka up-conversion unit. The filter bank B32 is arranged between the single-pole six-throw switch K31 and the single-pole six-throw switch K32.
[0015] Among them, the amplification unit includes a digital control attenuator DC41, an amplifier U41, a digital control attenuator DC42, an amplifier U42, a coupler X41, and a logarithmic detector AD41. The digital control attenuator DC41 is respectively connected to the down-conversion unit and the amplifier U41. The digital control attenuator DC42 is connected to the amplifier U41. The coupler X41 is respectively connected to the amplifier U42, the logarithmic detector AD41, and the single-pole double-throw switch K1.
[0016] Among them, the local oscillator frequency doubling unit includes a single-pole double-throw switch K51, a filter B51, a filter B52, a single-pole double-throw switch K52, an attenuator D51, and an amplifier U51. The filter B51 and the filter B52 are respectively arranged between the single-pole double-throw switch K51 and the single-pole double-throw switch K52. The attenuator D51 is connected to the single-pole double-throw switch K52. The amplifier U51 is respectively connected to the attenuator D51 and the down-conversion unit.
[0017] Among them, the Ka up-conversion unit includes filter B61, attenuator D61, mixer P61, filter B62, attenuator D62, filter B63, attenuator D63, amplifier U61, digital control attenuator DC61, equalizer E61, amplifier U62, digital control attenuator DC62, digital control attenuator DC63, amplifier U63, coupler X61 and logarithmic detector AD61. The filter B61 is respectively connected to the down-conversion unit and the attenuator D61. The mixer P61 is respectively connected to the attenuator D61, the filter B62 and the attenuator D62. The filter B63 is respectively connected to the attenuator D62 and the attenuator D63. The amplifier U61 is connected to the attenuator D63. The digital control attenuator DC61 is respectively connected to the amplifier U61 and the equalizer E61. The amplifier U62 is connected to the equalizer E61. The digital control attenuator DC62 is respectively connected to the amplifier U62 and the digital control attenuator DC63. The amplifier U63 is connected to the digital control attenuator DC63. The coupler X61 is respectively connected to the amplifier U63 and the logarithmic detector AD61.
[0018] A UWB radar signal transmitting module of the present utility model. The broadband baseband frequency conversion unit is used to convert the 1875 MHz signal into a 0.1 - 1.1 GHz signal. The 20 GHz up-conversion unit is used to convert the 1875 MHz signal into a 20 GHz signal. The down-conversion unit is used to convert the 20 GHz signal into a 1 - 18 GHz signal and output it in two channels. The amplification unit is used to amplify the 1 - 18 GHz signal and then output it. The Ka up-conversion unit is used to convert the 4 - 17 GHz signal into a 27 - 40 GHz signal. The local oscillator 2-frequency doubling unit is used to receive the local oscillator 2 signal and convert the output local oscillator 2 signal into a 21 - 38 GHz signal. The power supply unit is used to provide power. Two RF channels are adopted: one channel is synthesized by the 0.1 - 1.1 GHz signal output by the broadband baseband conversion and the 1 - 18 GHz signal channel single-pole double-throw switch of the 1 - 18 GHz amplified output to output a 0.1 - 18 GHz signal, and the other channel is the 27 - 40 GHz signal output by the Ka up-conversion. The operating frequency band of the UWB radar signal transmitting module is 0.1 - 40 GHz, and the signal coverage frequency is extremely wide. It has functions of channel detection and gain control, achieving the range from P-band to Ka-band and meeting the application effects of some UWB requirements. Description of the Drawings
[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0020] Figure 1 is a schematic diagram of the principle of the ultra-wideband radar signal transmitting module of the present invention.
[0021] Figure 2 is the circuit schematic diagram of the broadband baseband frequency conversion unit of the present invention.
[0022] Figure 3 is the circuit schematic diagram of the 20 GHz up-conversion unit and down-conversion unit of the present invention.
[0023] Figure 4 is the circuit schematic diagram of the amplification unit of the present invention.
[0024] Figure 5 is the circuit schematic diagram of the local oscillator doubling unit of the present invention.
[0025] Figure 6 is the circuit schematic diagram of the Ka up-conversion unit of the present invention.
[0026] 100 - broadband baseband frequency conversion unit, 200 - 20 GHz up-conversion unit, 300 - down-conversion unit, 400 - amplification unit, 500 - local oscillator doubling unit, 600 - Ka up-conversion unit. Detailed implementation manners
[0027] Please refer to Figures 1 to 6 , in which Figure 1 is a schematic diagram of the principle of the ultra-wideband radar signal transmitting module, Figure 2 is the circuit schematic diagram of the broadband baseband frequency conversion unit, Figure 3 is the circuit schematic diagram of the 20 GHz up-conversion unit and down-conversion unit, Figure 4 is the circuit schematic diagram of the amplification unit, Figure 5 is the circuit schematic diagram of the local oscillator doubling unit, Figure 6 is the circuit schematic diagram of the Ka up-conversion unit.
[0028] The utility model provides an ultra-wideband radar signal transmitting module, which comprises a broadband baseband frequency conversion unit 100, a 20GHz up-conversion unit 200, a down-conversion unit 300, an amplification unit 400, a local oscillator frequency doubling unit 500, a Ka up-conversion unit 600, a power supply unit and a single-pole double-throw switch K1. The broadband baseband frequency conversion unit 100 is respectively connected to the 20GHz up-conversion unit 200 and the single-pole double-throw switch K1. The down-conversion unit 300 is respectively connected to the 20GHz up-conversion unit 200, the amplification unit 400, the local oscillator frequency doubling unit 500 and the Ka up-conversion unit 600. The amplification unit 400 is connected to the single-pole double-throw switch K1. The power supply unit is respectively connected to the broadband baseband frequency conversion unit 100, the 20GHz up-conversion unit 200, the down-conversion unit 300, the amplification unit 400, the local oscillator frequency doubling unit 500 and the Ka up-conversion unit 600;
[0029] The broadband baseband frequency conversion unit 100 is used for converting the 1875MHz signal into a 0.1 - 1.1GHz signal;
[0030] The 20GHz up-conversion unit 200 is used for converting the 1875MHz signal into a 20GHz signal;
[0031] The down-conversion unit 300 is used for converting the 20GHz signal into a 1 - 18GHz signal and outputting it in two channels;
[0032] The amplification unit 400 is used for amplifying the 1 - 18GHz signal and then outputting it;
[0033] The Ka up-conversion unit 600 is used for converting the 4 - 17GHz signal into a 27 - 40GHz signal;
[0034] The local oscillator frequency doubling unit 500 is used for receiving the local oscillator 2 signal and converting the output local oscillator 2 signal into a 21 - 38GHz signal;
[0035] The power supply unit is used for providing power.
[0036] In this embodiment, the broadband baseband frequency conversion unit 100 converts the 1875 MHz signal into a 0.1 - 1.1 GHz signal; the 20 GHz up-conversion unit 200 converts the 1875 MHz signal into a 20 GHz signal; the down-conversion unit 300 is used to convert the 20 GHz signal into a 1 - 18 GHz signal and output it through two channels; the amplification unit 400 amplifies and outputs the 1 - 18 GHz signal; the Ka band up-conversion unit 600 converts the 4 - 17 GHz signal into a 27 - 40 GHz signal; the local oscillator frequency doubling unit 500 receives the local oscillator 2 signal and converts the output local oscillator 2 signal into a 21 - 38 GHz signal; the power supply unit provides power. Two radio frequency channels are adopted: one channel synthesizes the 0.1 - 1.1 GHz signal output by the broadband baseband and the 1 - 18 GHz signal channel single-pole double-throw switch of the 1 - 18 GHz amplified output to output a 0.1 - 18 GHz signal, and the other channel outputs the 27 - 40 GHz signal output by the Ka band up-conversion; the operating frequency band of the ultra-wideband radar signal transmitting module is 0.1 - 40 GHz, and the signal coverage frequency is extremely wide; it has channel detection and gain control functions; the effect of achieving the range from the P band to the Ka band and meeting the applications with some ultra-wideband requirements is obtained.
[0037] Further, the broadband baseband frequency conversion unit 100 includes a digital control attenuator DC11, a single-pole double-throw switch K11, a filter B11, a filter B12, a single-pole double-throw switch K12, a single-pole double-throw switch K13, an attenuator D11, an amplifier U11, a mixer P11, an attenuator D12, a filter B13, an amplifier U12, a digital control attenuator DC12, an equalizer E11, an amplifier U13, a digital control attenuator DC13, an amplifier U14, a coupler X11, and a logarithmic detector AD11. The single-pole double-throw switch K11 is respectively connected to the digital control attenuator DC11, the filter B11, and the filter B12. The single-pole double-throw switch K12 is respectively connected to the filter B11, the filter B12, and the single-pole double-throw switch K13. The single-pole double-throw switch K13 is respectively connected to the attenuator D11 and the 20 GHz up-conversion unit 200. The mixer P11 is respectively connected to the amplifier U11, the attenuator D11, and the attenuator D12. The filter B13 is respectively connected to the attenuator D12 and the amplifier U12. The digital control attenuator DC12 is respectively connected to the amplifier U12 and the digital control attenuator DC12. The equalizer E11 is respectively connected to the digital control attenuator DC12 and the amplifier U13. The digital control attenuator DC13 is respectively connected to the amplifier U13 and the amplifier U14. The coupler X11 is respectively connected to the amplifier U14, the logarithmic detector AD11, and the single-pole double-throw switch K1.
[0038] In this embodiment, through the digital control attenuator DC11, the single-pole double-throw switch K11, the filter B11, the filter B12, the single-pole double-throw switch K12, the single-pole double-throw switch K13, the attenuator D11, the amplifier U11, the mixer P11, the attenuator D12, the filter B13, the amplifier U12, the digital control attenuator DC12, the equalizer E11, the amplifier U13, the digital control attenuator DC13, the amplifier U14, the coupler X11 and the logarithmic detector AD11, the input intermediate frequency 1875 MHz signal is segmented and filtered and then divided into two paths by a switch. One path is mixed, filtered and amplified and then outputs a 0.1 - 1.1 GHz signal, and the other path is used as the input signal for 20 GHz upconversion. The signal is detected at the 0.1 - 1.1 GHz signal output end to detect abnormal conditions in the 0.1 - 1.1 GHz channel.
[0039] Further, the 20 GHz upconversion unit 200 includes an attenuator D21, a mixer P21, an amplifier U21, an attenuator D22, a filter B21, an amplifier U22, a filter B22 and an attenuator D23. The attenuator D21 is connected to the broadband baseband frequency conversion unit 100. The mixer P21 is respectively connected to the attenuator D21, the amplifier U21 and the attenuator D22. The filter B21 is respectively connected to the attenuator D22 and the amplifier U22. The filter B22 is connected to the amplifier U22. The attenuator D23 is respectively connected to the filter B22 and the downconversion unit 300.
[0040] In this embodiment, through the attenuator D21, the mixer P21, the amplifier U21, the attenuator D22, the filter B21, the amplifier U22, the filter B22 and the attenuator D23, the intermediate frequency signal input by baseband frequency conversion and the local oscillator 2 signal input externally are mixed to a 20 GHz signal through mixing, and then output to the downconversion unit 300 after filtering and amplification.
[0041] Further, the down-conversion unit 300 includes a mixer P31, an attenuator D31, a filter B31, an attenuator D32, an amplifier U31, a single-pole six-throw switch K31, a filter bank B32, a single-pole six-throw switch K32, an equalizer E31, an amplifier U32, an attenuator D33, and a single-pole double-throw switch K33. The mixer P31 is respectively connected to the 20 GHz up-conversion unit 200, the local oscillator 2x frequency multiplication unit 500, and the attenuator D31. The filter B31 is respectively connected to the attenuator D31 and the attenuator D32. The amplifier U31 is respectively connected to the attenuator D32 and the single-pole six-throw switch K31. The single-pole six-throw switch K32 is connected to the equalizer E31. The amplifier U32 is respectively connected to the single-pole six-throw switch K32 and the attenuator D33. The single-pole double-throw switch K33 is respectively connected to the attenuator D33, the amplification unit 400, and the Ka up-conversion unit 600. The filter bank B32 is disposed between the single-pole six-throw switch K31 and the single-pole six-throw switch K32.
[0042] In this embodiment, through the mixer P31, the attenuator D31, the filter B31, the attenuator D32, the amplifier U31, the single-pole six-throw switch K31, the filter bank B32, the single-pole six-throw switch K32, the equalizer E31, the amplifier U32, the attenuator D33, and the single-pole double-throw switch K33, the signal input from the 20 GHz up-conversion and the local oscillator signal input from the local oscillator 2x frequency multiplication are down-converted to a 1 - 18 GHz signal by the mixer, amplified, filtered into six segments through the switched filter bank and then amplified, and finally divided into two paths through the single-pole double-throw switch. One path is output for 1 - 18 GHz amplification, and the other path is output to the Ka up-conversion unit 600 and then output to the down-conversion unit 300.
[0043] Further, the amplification unit 400 includes a digital control attenuator DC41, an amplifier U41, a digital control attenuator DC42, an amplifier U42, a coupler X41, and a logarithmic detector AD41. The digital control attenuator DC41 is respectively connected to the down-conversion unit 300 and the amplifier U41. The digital control attenuator DC42 is connected to the amplifier U41. The coupler X41 is respectively connected to the amplifier U42, the logarithmic detector AD41, and the single-pole double-throw switch K1.
[0044] In this embodiment, the signal down-converted and input from 1 to 18 GHz is output after being numerically controlled attenuated and amplified through the numerically controlled attenuator DC41, the amplifier U41, the numerically controlled attenuator DC42, the amplifier U42, the coupler X41, and the logarithmic detector AD41. The numerically controlled attenuation controls the output amplitude, and the signal is detected at the 1 to 18 GHz down-converted output end to detect abnormal conditions in the 1 to 18 GHz channel.
[0045] Further, the local oscillator double-frequency unit 500 includes a single-pole double-throw switch K51, a filter B51, a filter B52, a single-pole double-throw switch K52, an attenuator D51, and an amplifier U51. The filter B51 and the filter B52 are respectively arranged between the single-pole double-throw switch K51 and the single-pole double-throw switch K52. The attenuator D51 is connected to the single-pole double-throw switch K52, and the amplifier U51 is respectively connected to the attenuator D51 and the down-conversion unit 300.
[0046] In this embodiment, the input local oscillator 2 signal is doubled to a 21 to 38 GHz signal through the single-pole double-throw switch K51, the filter B51, the filter B52, the single-pole double-throw switch K52, the attenuator D51, and the amplifier U51, and then is filtered and amplified in two sections through the single-pole double-throw switch and output for 1 to 18 GHz down-conversion.
[0047] Further, the Ka up-conversion unit 600 includes a filter B61, an attenuator D61, a mixer P61, a filter B62, an attenuator D62, a filter B63, an attenuator D63, an amplifier U61, a numerically controlled attenuator DC61, an equalizer E61, an amplifier U62, a numerically controlled attenuator DC62, a numerically controlled attenuator DC63, an amplifier U63, a coupler X61, and a logarithmic detector AD61. The filter B61 is respectively connected to the down-conversion unit 300 and the attenuator D61. The mixer P61 is respectively connected to the attenuator D61, the filter B62, and the attenuator D62. The filter B63 is respectively connected to the attenuator D62 and the attenuator D63. The amplifier U61 is connected to the attenuator D63. The numerically controlled attenuator DC61 is respectively connected to the amplifier U61 and the equalizer E61. The amplifier U62 is connected to the equalizer E61. The numerically controlled attenuator DC62 is respectively connected to the amplifier U62 and the numerically controlled attenuator DC63. The amplifier U63 is connected to the numerically controlled attenuator DC63. The coupler X61 is respectively connected to the amplifier U63 and the logarithmic detector AD61.
[0048] In this embodiment, through the filter B61, the attenuator D61, the mixer P61, the filter B62, the attenuator D62, the filter B63, the attenuator D63, the amplifier U61, the digital controlled attenuator DC61, the equalizer E61, the amplifier U62, the digital controlled attenuator DC62, the digital controlled attenuator DC63, the amplifier U63, the coupler X61 and the logarithmic detector AD61, the signal input by down-converting the 1-18 GHz signal and the signal after doubling the frequency of the local oscillator 2 are mixed and converted into a 27-40 GHz signal, which is output after amplification, digital controlled attenuation and detection, and the logarithmic detector outputs to detect the abnormal situation of the Ka channel.
[0049] The above-disclosed is only a preferred embodiment of the present invention, and of course, it cannot be used to limit the scope of the rights of the present invention. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present invention still fall within the scope covered by the present invention.
Claims
1. An ultra-wideband radar signal transmitting module, characterized in that: It includes a broadband baseband frequency conversion unit, a 20GHz up-conversion unit, a down-conversion unit, an amplifying unit, a local oscillator 2-times-frequency unit, a Ka up-conversion unit, a power supply unit and a single-pole two-switch K1, wherein the broadband baseband frequency conversion unit is respectively connected to the 20GHz up-conversion unit and the single-pole two-switch K1, the down-conversion unit is respectively connected to the 20GHz up-conversion unit, the amplifying unit, the local oscillator 2-times-frequency unit and the Ka up-conversion unit, the amplifying unit is connected to the single-pole two-switch K1, and the power supply unit is respectively connected to the broadband baseband frequency conversion unit, the 20GHz up-conversion unit, the down-conversion unit, the amplifying unit, the local oscillator 2-times-frequency unit and the Ka up-conversion unit; The broadband baseband frequency conversion unit is used to convert the 1875MHz signal into a 0.1-1.1GHz signal; The 20 GHz up-conversion unit is used to convert the 1875 MHz signal into a 20 GHz signal; The down-conversion unit is used to convert the 20 GHz signal into a 1-18 GHz signal and output it in two channels; The amplification unit is used to amplify the 1-18 GHz signal and then output it; The Ka up-conversion unit is used to convert 4-17 GHz signals into 27-40 GHz signals; The local oscillator 2 frequency multiplication unit is used to receive the local oscillator 2 signal and convert the output local oscillator 2 signal into a 21-38 GHz signal; The power supply unit is used to provide power.
2. The ultra-wideband radar signal transmitting module according to claim 1, characterized in that: The broadband baseband frequency conversion unit includes a digitally controlled attenuator DC11, a single-pole two-switch K11, a filter B11, a filter B12, a single-pole two-switch K12, a single-pole two-switch K13, an attenuator D11, an amplifier U11, a mixer P11, an attenuator D12, a filter B13, an amplifier U12, a digitally controlled attenuator DC12, an equalizer E11, an amplifier U13, a digitally controlled attenuator DC13, an amplifier U14, a coupler X11 and a logarithmic detector AD11, the single-pole two-switch K11 is respectively connected to the digitally controlled attenuator DC11, the filter B11 and the filter B12, the single-pole two-switch K12 is respectively connected to the filter B11, the filter B12 and the single-pole two-switch K13, the The single-pole two-switch K13 is respectively connected to the attenuator D11 and the 20 GHz up-conversion unit, the mixer P11 is respectively connected to the amplifier U11, the attenuator D11 and the attenuator D12, the filter B13 is respectively connected to the attenuator D12 and the amplifier U12, the digitally controlled attenuator DC12 is respectively connected to the amplifier U12 and the digitally controlled attenuator DC12, the equalizer E11 is respectively connected to the digitally controlled attenuator DC12 and the amplifier U13, the digitally controlled attenuator DC13 is respectively connected to the amplifier U13 and the amplifier U14, and the coupler X11 is respectively connected to the amplifier U14, the logarithmic detector AD11 and the single-pole two-switch K1.
3. The ultra-wideband radar signal transmitting module according to claim 1, characterized in that: The 20 GHz up-conversion unit includes an attenuator D21, a mixer P21, an amplifier U21, an attenuator D22, a filter B21, an amplifier U22, a filter B22 and an attenuator D23. The attenuator D21 is connected to the broadband baseband frequency conversion unit. The mixer P21 is respectively connected to the attenuator D21, the amplifier U21 and the attenuator D22. The filter B21 is respectively connected to the attenuator D22 and the amplifier U22. The filter B22 is connected to the amplifier U22. The attenuator D23 is respectively connected to the filter B22 and the down-conversion unit.
4. The ultra-wideband radar signal transmitting module according to claim 1, characterized in that: The down-conversion unit includes a mixer P31, an attenuator D31, a filter B31, an attenuator D32, an amplifier U31, a single-pole six-switch K31, a filter group B32, a single-pole six-switch K32, an equalizer E31, an amplifier U32, an attenuator D33 and a single-pole two-switch K33. The mixer P31 is respectively connected to the 20 GHz up-conversion unit, the local oscillator 2-times unit and the attenuator D31. The filter B31 is respectively connected to the attenuator D31 and the attenuator The attenuator D32, the amplifier U31 is respectively connected to the attenuator D32 and the single-pole six-switch K31, the single-pole six-switch K32 is connected to the equalizer E31, the amplifier U32 is respectively connected to the single-pole six-switch K32 and the attenuator D33, the single-pole two-switch K33 is respectively connected to the attenuator D33, the amplifying unit and the Ka up-conversion unit, and the filter group B32 is arranged between the single-pole six-switch K31 and the single-pole six-switch K32.
5. The ultra-wideband radar signal transmitting module according to claim 1, characterized in that: The amplifying unit includes a digitally controlled attenuator DC41, an amplifier U41, a digitally controlled attenuator DC42, an amplifier U42, a coupler X41 and a logarithmic detector AD41. The digitally controlled attenuator DC41 is respectively connected to the down-conversion unit and the amplifier U41, the digitally controlled attenuator DC42 is connected to the amplifier U41, and the coupler X41 is respectively connected to the amplifier U42, the logarithmic detector AD41 and the single-pole two-switch K1.
6. The ultra-wideband radar signal transmitting module according to claim 1, characterized in that: The local oscillator double frequency unit includes a single-pole two-switch K51, a filter B51, a filter B52, a single-pole two-switch K52, an attenuator D51 and an amplifier U51. The filter B51 and the filter B52 are respectively arranged between the single-pole two-switch K51 and the single-pole two-switch K52. The attenuator D51 is connected to the single-pole two-switch K52, and the amplifier U51 is respectively connected to the attenuator D51 and the down-conversion unit.
7. The ultra-wideband radar signal transmitting module according to claim 1, characterized in that: The Ka up-conversion unit includes a filter B61, an attenuator D61, a mixer P61, a filter B62, an attenuator D62, a filter B63, an attenuator D63, an amplifier U61, a digitally controlled attenuator DC61, an equalizer E61, an amplifier U62, a digitally controlled attenuator DC62, a digitally controlled attenuator DC63, an amplifier U63, a coupler X61 and a logarithmic detector AD61. The filter B61 is connected to the down-conversion unit and the attenuator D61 respectively. The mixer P61 is connected to the attenuator D61, the filter B62 and the attenuator D62 respectively. The filter B63 is connected to the attenuator D62 and the attenuator D63 respectively, the amplifier U61 is connected to the attenuator D63, the digitally controlled attenuator DC61 is connected to the amplifier U61 and the equalizer E61 respectively, the amplifier U62 is connected to the equalizer E61, the digitally controlled attenuator DC62 is connected to the amplifier U62 and the digitally controlled attenuator DC63 respectively, the amplifier U63 is connected to the digitally controlled attenuator DC63, and the coupler X61 is connected to the amplifier U63 and the logarithmic detector AD61 respectively.