CN203490363U - Integrated altimeter detector - Google Patents
Integrated altimeter detector Download PDFInfo
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- CN203490363U CN203490363U CN201320558569.0U CN201320558569U CN203490363U CN 203490363 U CN203490363 U CN 203490363U CN 201320558569 U CN201320558569 U CN 201320558569U CN 203490363 U CN203490363 U CN 203490363U
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Abstract
The utility model discloses an integrated altimeter detector, comprising attenuators, a mixer, a modulator and an LC oscillator, wherein two attenuators are provided and are respectively a fixed attenuator and a numerical control attenuator, and the fixed attenuator, the mixer, the LC oscillator, the modulator and the numerical control attenuator are in sequential communication connection. According to the integrated altimeter detector disclosed by the utility model, variable frequency wave detection is carried out on a signal emitted by an altimeter to extract an emitted T0 synchronous pulse signal, digital control is carried out on the T0 synchronous pulse signal, a necessary height pulse signal is delayed, and then the pulse signal is transmitted after being modulated, so that an echo signal of the altimeter is indirectly simulated to achieve an altitude simulation target; the integrated altimeter detector disclosed by the utility model is used for measuring the power and frequency of a receiving signal without using such instruments as frequency spectrograph and the like, thereby being intuitionistic and convenient; and since a control manner of combining digital signal with high frequency signal is adopted, the product cost is relatively low, the designed service life is long, and the ageing problem of a traditional delay line is also avoided.
Description
Technical field
The utility model relates to detection metering and experimental technique field, and concrete is a kind of height indicator comprehensive detector.
Background technology
Radar altimeter is as the main electronic equipment of machine/missile-borne, it can measure accurately and fast flying body apart from the validity of bottom surface under various weather conditions, thereby be used widely and develop in fields such as flight control and missile guidances, as application such as the automatic Landing of aircraft, terrain following avoidance, the control of dropping a bomb, the self-navigation of nothing (having) people aircraft, cruise missile terrain contour matching guidance, global missile trajectory measurement, correction and airburst fuzes.
Existing height indicator comprehensive detector can complete the comprehensive detection to height indicator transceiver, and substantially meets the demand of army.But in use also there is certain shortcoming, mainly comprise: 1, can not gamut simulated altitude, can only simulate several fixing height, test not comprehensive.Owing to adopting delay line technique, therefore differing heights simulation adopts different lag lines, cost is high, and simulation test amount is few; 2, altitude simulation error is large, owing to adopting the height of fixed delay line simulation to fix, thus after the condition variations such as environment temperature, height respective offsets, error strengthens; 3, aging serious, adopt fixed delay line technology, after product is used, along with the time changes, lag line loss strengthens, and product test sensitivity number changes, and must correct every year and could continue use, has a strong impact on product serviceable life.Therefore, be necessary to design a kind of novel height indicator comprehensive detector, meet the needs that detect.
Utility model content
The utility model proposes a kind of height indicator comprehensive detector, avoided traditional lag line problem of aging, improved measuring accuracy simultaneously.
The technical solution of the utility model is achieved in that a kind of height indicator comprehensive detector, comprise attenuator, frequency mixer, modulator and LC oscillator, described attenuator has 2, be respectively fixed attenuator and numerical-control attenuator, described fixed attenuator, frequency mixer, LC oscillator, modulator and numerical-control attenuator successively communication are connected.
Further, also comprise power splitter, described power splitter is connected between fixed attenuator and frequency mixer.
Further, described power splitter is 1 minute 2 power splitter.
Further, described fixed attenuator adopts 50dB fixed attenuator, and described numerical-control attenuator adopts 110dB numerical-control attenuator.
Further, described LC oscillator adopts 4300MHzLC oscillator.
Further, an output port of described 1 minute 2 power splitters is connected with coupling pulse power detecting device, and described mixer output connects successively detection and looks amplification module and digital control module, is then connected with modulator.
The beneficial effects of the utility model are: height indicator comprehensive detector of the present utility model, by the signal frequency conversion detection that height indicator is launched, extract the pulse T0 synchronizing signal of transmitting, T0 synchronization pulse is passed through digital control, postpone needed height pulse signal, then pulse signal is gone out by modulate emission, in a disguised form simulated the echoed signal of height indicator, reach the object of altitude simulation; The utility model is measured received signal power and frequency, does not need the instruments such as frequency spectrograph, intuitive and convenient; And due to the control mode that adopts digital signal and high-frequency signal to combine, cost of products is relatively cheap, and designed life is long, has also avoided the problem of aging of traditional lag line.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structured flowchart of the utility model embodiment.
In figure: 1,50dB fixed attenuator; 2,110dB numerical-control attenuator; 3,1 minute 2 power splitter; 4, frequency mixer; 5, amplification module is looked in detection; 6, digital control module; 7, LC oscillator; 8, coupling pulse power detecting device; 9, modulator.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of height indicator comprehensive detector as shown in Figure 1, comprise attenuator, frequency mixer, modulator and LC oscillator, described attenuator has 2, be respectively 50dB fixed attenuator and 110dB numerical-control attenuator, described LC oscillator adopts 4300MHzLC oscillator, and described fixed attenuator, frequency mixer, LC oscillator, modulator and numerical-control attenuator successively communication are connected.
As preferably, also comprise power splitter, described LC oscillator adopts 4300MHzLC oscillator, and described power splitter is connected between fixed attenuator and frequency mixer.An output port of described 1 minute 2 power splitters is connected with coupling pulse power detecting device, and described mixer output connects successively detection and looks amplification module and digital control module, is then connected with modulator.
The utility model equipment receives the pulse signal of radio altimeter industrial transmitting 4300MHz, because signal power reaches several hectowatts, so first decay with 50dB fixed attenuator, then signal is carried out to power detection.Signal after decay carries out signal mixing by frequency mixer and 4300MHzLC oscillator, produces intermediate-freuqncy signal after mixing, and intermediate-freuqncy signal is by detector video module output video pulse signal T0; T0 signal produces TX signal after postponing by digital control module, it carries out pulsed modulation as pulse signal to 4300MHz signal, generate the C-band microwave signal of 4300MHz, this signal is controlled output pulse power by 110dB numerical-control attenuator, reaches the test to radio altimeter sensitivity.
By the signal frequency conversion detection that height indicator is launched, extract the pulse T0 synchronizing signal of transmitting, T0 synchronization pulse is passed through digital control, postpone needed height pulse signal, then pulse signal is gone out by modulate emission, in a disguised form simulate the echoed signal of height indicator, reached the object of altitude simulation; The utility model is measured received signal power and frequency, does not need the instruments such as frequency spectrograph, intuitive and convenient; And due to the control mode that adopts digital signal and high-frequency signal to combine, cost of products is relatively cheap, and designed life is long, has also avoided the problem of aging of traditional lag line.
Height indicator comprehensive detector of the present utility model can complete the inspection to height indicator transceiver, the various technical parameters of indicator, and has the function of judgement, isolated fault.This detector is easy and simple to handle, multiple functional, lightweight, meets the needs that maintenance is detected in army two wires.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a height indicator comprehensive detector, it is characterized in that: comprise attenuator, frequency mixer, modulator and LC oscillator, described attenuator has 2, be respectively fixed attenuator and numerical-control attenuator, described fixed attenuator, frequency mixer, LC oscillator, modulator and numerical-control attenuator successively communication are connected.
2. a kind of height indicator comprehensive detector according to claim 1, is characterized in that: also comprise power splitter, described power splitter is connected between fixed attenuator and frequency mixer.
3. a kind of height indicator comprehensive detector according to claim 2, is characterized in that: described power splitter is 1 minute 2 power splitter.
4. a kind of height indicator comprehensive detector according to claim 1, is characterized in that: described fixed attenuator adopts 50dB fixed attenuator, and described numerical-control attenuator adopts 110dB numerical-control attenuator.
5. a kind of height indicator comprehensive detector according to claim 1, is characterized in that: described LC oscillator adopts 4300MHzLC oscillator.
6. a kind of height indicator comprehensive detector according to claim 3, it is characterized in that: an output port of described 1 minute 2 power splitters is connected with coupling pulse power detecting device, described mixer output connects successively detection and looks amplification module and digital control module, is then connected with modulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320558569.0U CN203490363U (en) | 2013-09-09 | 2013-09-09 | Integrated altimeter detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320558569.0U CN203490363U (en) | 2013-09-09 | 2013-09-09 | Integrated altimeter detector |
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| CN203490363U true CN203490363U (en) | 2014-03-19 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730502A (en) * | 2015-03-10 | 2015-06-24 | 中国人民解放军海军航空工程学院 | Arbitrary height analog device of pulse-system radio altimeter |
| CN105698823A (en) * | 2016-03-25 | 2016-06-22 | 哈尔滨飞机工业集团有限责任公司 | Portable microwave delay line switching device |
| CN106033219A (en) * | 2015-03-13 | 2016-10-19 | 哈尔滨飞机工业集团有限责任公司 | Portable height simulator |
| CN107907869A (en) * | 2017-09-28 | 2018-04-13 | 北京华航无线电测量研究所 | A kind of polarization controller |
| CN109188375A (en) * | 2018-07-25 | 2019-01-11 | 国营芜湖机械厂 | It is a kind of to motivate the system and method for generating radio emulation height using synchronization signal |
| CN110954058A (en) * | 2019-12-20 | 2020-04-03 | 西安航空电子科技有限公司 | Radio altimeter test system |
| CN114779194A (en) * | 2022-06-21 | 2022-07-22 | 成都飞亚航空设备应用研究所有限公司 | Radio altimeter simulator |
-
2013
- 2013-09-09 CN CN201320558569.0U patent/CN203490363U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730502A (en) * | 2015-03-10 | 2015-06-24 | 中国人民解放军海军航空工程学院 | Arbitrary height analog device of pulse-system radio altimeter |
| CN106033219A (en) * | 2015-03-13 | 2016-10-19 | 哈尔滨飞机工业集团有限责任公司 | Portable height simulator |
| CN105698823A (en) * | 2016-03-25 | 2016-06-22 | 哈尔滨飞机工业集团有限责任公司 | Portable microwave delay line switching device |
| CN107907869A (en) * | 2017-09-28 | 2018-04-13 | 北京华航无线电测量研究所 | A kind of polarization controller |
| CN107907869B (en) * | 2017-09-28 | 2019-12-13 | 北京华航无线电测量研究所 | Polarization controller |
| CN109188375A (en) * | 2018-07-25 | 2019-01-11 | 国营芜湖机械厂 | It is a kind of to motivate the system and method for generating radio emulation height using synchronization signal |
| CN109188375B (en) * | 2018-07-25 | 2023-01-31 | 国营芜湖机械厂 | System and method for generating radio simulation height by adopting synchronous signal excitation |
| CN110954058A (en) * | 2019-12-20 | 2020-04-03 | 西安航空电子科技有限公司 | Radio altimeter test system |
| CN114779194A (en) * | 2022-06-21 | 2022-07-22 | 成都飞亚航空设备应用研究所有限公司 | Radio altimeter simulator |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20150909 |
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| EXPY | Termination of patent right or utility model |