CN207251556U - A kind of LoranC system modulator of high-power Loran-C pulse transmitter - Google Patents
A kind of LoranC system modulator of high-power Loran-C pulse transmitter Download PDFInfo
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- CN207251556U CN207251556U CN201721008887.4U CN201721008887U CN207251556U CN 207251556 U CN207251556 U CN 207251556U CN 201721008887 U CN201721008887 U CN 201721008887U CN 207251556 U CN207251556 U CN 207251556U
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Abstract
The utility model discloses a kind of LoranC system modulator of high-power Loran-C pulse transmitter, including signal-processing board, signal-processing board is equipped with the CPLD digital integration chips concatenated two-by-two, DSP digital processing chips, fpga logic programs chip, CPLD digital integration chips pass through 8 parallel ports respectively, I2C paths are connected with MCU storage chips, CPLD digital integration chips input terminal is equipped with A/D converter, A/D converter obtains its quantized value for acquisition pulse signal, DSP digital processing chips are used to carry out distortion analysis processing to Loran-C pulse signal, pre-distortion, waveform generates, fpga logic programming chip output is equipped with ten splitter interfaces.The utility model is used for a kind of high-power Loran-C pulse transmitter, it can gather and handle the Loran-C pulse signal of aerial radiation, and waveform modulated is carried out with this Loran-C pulse signal to input, make its compatible new, old signal system, signal distortion is significantly reduced, improves transmitter performance index.
Description
Technical field
It the utility model is related to Loran-C pulse signal modulation technique, more particularly to a kind of high-power Loran-C pulse transmitter
LoranC system modulator.
Background technology
Loran-C pulse signal modulation technique is mainly used in long-wave time service, cytac.
The modulator approach of existing Loran-C pulse signal is mainly：Instantaneously put by high energy-storage capacitor to LC oscillating circuits
Electricity, produces high current damped oscillation, obtains high-power signal, its launch signal main channel be control combination-power generator-
RF switch-coupling network-output network-switching network.This modulator approach technology maturation, reliability is high, but extend,
Upgrading ability deficiency, to following new signal system（Enhanced Loran-C signal）It is difficult to adapt to.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of LoranC system tune of high-power Loran-C pulse transmitter
Device processed, for a kind of high-power Loran-C pulse transmitter, is gathered by the LoranC system modulator and handles the LoranC system of aerial radiation
Pulse signal, and waveform modulated is carried out with this Loran-C pulse signal to input, make its compatible new, old signal system, effectively
Ground reduces signal distortion.
To achieve the above object, the technical solution of the utility model is：A kind of rowland of high-power Loran-C pulse transmitter
C modulators, including signal-processing board and control panel；
Control panel is equipped with the MCU control storage chips concatenated with digital distributor, and MCU control storage chips concatenate someone
Machine exchanges interface；
Signal-processing board is equipped with the CPLD digital integration chips concatenated two-by-two, DSP digital processing chips, fpga logic and compiles
Journey chip, CPLD digital integration chips are connected by 8 parallel ports, I2C paths with MCU storage chips respectively, CPLD digital integrations
Chip input terminal is equipped with A/D converter, and A/D converter obtains its quantized value, DSP digital processing chips for acquisition pulse signal
For carrying out distortion analysis processing, pre-distortion, waveform generation, fpga logic programming chip output to Loran-C pulse signal
End is equipped with ten splitter interfaces.
The beneficial effects of the utility model are：A kind of LoranC system modulator of high-power Loran-C pulse transmitter is provided, is used
In a kind of high-power Loran-C pulse transmitter, gathered by the LoranC system modulator and handle the Loran-C pulse letter of aerial radiation
Number, and waveform modulated is carried out with this Loran-C pulse signal to input, make its compatible new, old signal system, be effectively reduced
Signal distortion, improves transmitter performance index.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Embodiment
Below in conjunction with attached drawing, the technical scheme in the utility model embodiment is clearly and completely described.
As shown in Figure 1, a kind of LoranC system modulator of high-power Loran-C pulse transmitter, including signal-processing board and control
Plate；
Control panel is equipped with the MCU control storage chips concatenated with digital distributor, and MCU control storage chips concatenate someone
Machine exchanges interface；
Signal-processing board is equipped with the CPLD digital integration chips concatenated two-by-two, DSP digital processing chips, fpga logic and compiles
Journey chip, CPLD digital integration chips are connected by 8 parallel ports, I2C paths with MCU storage chips respectively, CPLD digital integrations
Chip input terminal is equipped with A/D converter, and A/D converter obtains its quantized value, DSP digital processing chips for acquisition pulse signal
For carrying out distortion analysis processing, pre-distortion, waveform generation, fpga logic programming chip output to Loran-C pulse signal
End is equipped with ten splitter interfaces.
The LoranC system modulator of the high-power Loran-C pulse transmitter, for a kind of high-power Loran-C pulse transmitter, leads to
The Loran-C pulse signal that the LoranC system modulator gathers and handles aerial radiation is crossed, and with this Loran-C pulse signal to input
Waveform modulated is carried out, makes its compatible new, old signal system, significantly reduces signal distortion, improve transmitter performance
Index.
The described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on this
Embodiment in utility model, those of ordinary skill in the art obtained without making creative work it is all its
His embodiment, belongs to the scope of the utility model.
Claims (1)
1. a kind of LoranC system modulator of high-power Loran-C pulse transmitter, it is characterised in that including signal-processing board and control
Plate；
Control panel is equipped with the MCU control storage chips concatenated with digital distributor, and MCU control storage chips are serially connected with man-machine friendship
Change interface；
Signal-processing board is equipped with the CPLD digital integration chips concatenated two-by-two, DSP digital processing chips, fpga logic programming core
Piece, CPLD digital integration chips are connected by 8 parallel ports, I2C paths with MCU storage chips respectively, CPLD digital integration chips
Input terminal is equipped with A/D converter, and A/D converter obtains its quantized value for acquisition pulse signal, and DSP digital processing chips are used for
Distortion analysis processing, pre-distortion, waveform generation are carried out to Loran-C pulse signal, fpga logic programming chip output is set
There are ten splitter interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721008887.4U CN207251556U (en) | 2017-08-11 | 2017-08-11 | A kind of LoranC system modulator of high-power Loran-C pulse transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721008887.4U CN207251556U (en) | 2017-08-11 | 2017-08-11 | A kind of LoranC system modulator of high-power Loran-C pulse transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207251556U true CN207251556U (en) | 2018-04-17 |
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ID=61880854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721008887.4U Active CN207251556U (en) | 2017-08-11 | 2017-08-11 | A kind of LoranC system modulator of high-power Loran-C pulse transmitter |
Country Status (1)
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| CN (1) | CN207251556U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650610A (en) * | 2020-05-28 | 2020-09-11 | 广东国天时空科技有限公司 | Rowland C comprehensive signal generating equipment |
-
2017
- 2017-08-11 CN CN201721008887.4U patent/CN207251556U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650610A (en) * | 2020-05-28 | 2020-09-11 | 广东国天时空科技有限公司 | Rowland C comprehensive signal generating equipment |
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