CN104913768A - Multibeam echosounder self-adaptive dynamic regulating system and regulating method - Google Patents
Multibeam echosounder self-adaptive dynamic regulating system and regulating method Download PDFInfo
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- CN104913768A CN104913768A CN201510356009.0A CN201510356009A CN104913768A CN 104913768 A CN104913768 A CN 104913768A CN 201510356009 A CN201510356009 A CN 201510356009A CN 104913768 A CN104913768 A CN 104913768A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/534—Details of non-pulse systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C7/00—Tracing profiles
- G01C7/02—Tracing profiles of land surfaces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/534—Details of non-pulse systems
- G01S7/5345—Gain control of receivers
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a multibeam echosounder self-adaptive dynamic regulating system and regulating method. The self-adaptive dynamic regulating system comprises display control software, a transducer, a gain control unit, an AD sampling module and a processor, can automatically regulate the gain of received signals, also can automatically regulate the transmitting power, and can regulate circularly and dynamically by coordinating the gain of the received signal and the transmitting power, so that the voltage of the received signals keeps at the stable interval, and the efficient operation is ensured; the technical problem that in the prior art, the gain of the received signal and the transmitting efficiency are regulated manually, so that the efficiency is low, and the measurement precision of the multibeam sounding system cannot be guaranteed; the multibeam echosounder self-adaptive dynamic regulating system and regulating method conform to the development trend of the modern automatic measurement.
Description
Technical field
the invention belongs to Ocean Surveying technical field, relate to a kind of self-adaptation dynamic adjusting system and control method of multibeam echosounder.
Background technology
Along with the development of science and technology, people to the exploitation of the ocean and rivers and lakes of taking up an area ball surface area more than 70%, explore and more and more pay close attention to, especially showing day by day deficient along with land resources, the development and utilization of ocean resources seems particularly important.But ocean, exploitation Underwater resources will be explored, matter of utmost importance how to penetrate immense water body to obtain seafloor topography information.Multibeam sounding system is as one of current ocean development field key equipment, and its development and utilization are paid much attention to by a lot of ocean big country.
The high precision seabed depth that multibeam sounding system can realize super-wide coverage scope is measured, a kind ofly measure the bottom topographic survey equipment that efficiency is high, measuring accuracy is high, resolution is high, be particularly useful for large-area wire drag survey operation, have a wide range of applications in marine charting field.And the emissive power of multibeam echosounder controls and gain of received signal controls to be a very important part in sonar set, its performance all has a great impact the operating distance of whole system, operation bandwidth and snr of received signal.Because of multibeam echosounder in the face of different water bodys and water-bed geology time, its loss of signal degree varies.Then require that system while automatically regulating gain of received signal, also can regulate emissive power automatically, make reception voltage signal remain on a stable scope, this precision for systematic survey is most important.
At present, multibeam echosounder, under the different depth of water degree of depth, different water body environments and different water-bed geological conditions, needs according to return signal intensity manual adjustments emissive power.This kind of mode inefficiency, is not easy to efficiently carrying out of surveying work; In addition, there is more manual intervention, the accuracy of measurement result cannot be ensured, the requirement of modern measure technology cannot be met.
Summary of the invention
Received by receiving transducer after the acoustic signals reverberation water body that multibeam echosounder is launched, due to the depth of water differ, the impact of the complex situations such as water body environment is changeable, the acoustic signals returned has decays in various degree, causes and accurately can not receive echoed signal.In this case just needing the echoed signal to receiving to carry out gain-adjusted, or even regulate emissive power, make Received signal strength stability maintenance in the stable region of setting, and then multibeam sounding system could adopt the signal received, and accurately carries out water depth value measurement.
The invention provides a kind of multibeam echosounder self-adaptation dynamic adjusting system and control method, realize gain of received signal and transmission power adaptation dynamic adjustments, therebetween mutually coordinate to realize circulation dynamic adjustments, make reception voltage signal remain on stable region, ensure that the measuring accuracy of multibeam sounding system.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of multibeam echosounder self-adaptation dynamic adjusting system, comprises display and control software, transducer, gain control unit, AD sampling module and processor; Wherein, transducer comprises transmitting transducer and receiving transducer;
Display and control software is connected with transmitting transducer and processor respectively, sends Sonar Signal in order to control transmitting transducer, and adjusts emissive power according to the order of processor and show adjustment result;
Transmitting transducer is for launching Sonar Signal reverberation water body;
The Sonar Signal of reception for receiving Sonar Signal, and is converted to weak electric signal by receiving transducer;
Gain control unit is connected with receiving transducer and processor respectively, in order to receive weak electric signal, and adjusts gain of received signal according to the order of processor;
AD sampling module is connected with gain control unit and processor respectively, for the simulating signal of reception being converted to digital signal and sending to processor;
The AD sampled value that processor is used for AD sampling module extracts judges, and gain control unit or display and control software is sent to the order of adjustment acknowledge(ment) signal gain or adjustment emissive power according to AD sampled value.
Further, a kind of control method of multibeam echosounder self-adaptation dynamic adjusting system, comprises the following steps:
A, by display and control software control transmitting transducer launch Sonar Signal, received by receiving transducer after Sonar Signal reverberation water body and be converted to weak electric signal, this weak electric signal sends AD sampling module to through gain control unit;
B, judged the AD sampled value that AD sampling module extracts by processor, if AD sampled value is in the stable region preset, then do not need the gain of adjustment acknowledge(ment) signal, system performs subsequent operation; If AD sampled value is not in the stable region preset, then increased by processor ride gain control module or reduce gain of received signal, making Received signal strength self-adaptation in stable region;
C, gain of received signal change preprocessor and again judge AD sampled value, if AD sampled value is in the stable region preset, then do not need the gain of adjustment acknowledge(ment) signal, system performs subsequent operation; If AD sampled value is not still in stable region, then controls display and control software by processor according to AD sampled value and improve or reduce emissive power;
D, emissive power perform above-mentioned a, b, step c after changing again successively, form circulation and regulate, till making Received signal strength self-adaptation in stable region.
Further, described stable region is between the 30%--70% of AD reference value.
While the present invention realizes automatically regulating gain of received signal, also automatically emissive power can be regulated, and realize circulation dynamic adjustments by coordination gain of received signal and emissive power, reception voltage signal is made to remain on stable region, ensure that operation is efficiently carried out, solve in prior art and adopt manual shift gain of received signal and emissive power, efficiency is low, cannot ensure the technical matters of multibeam sounding system measuring accuracy; Meet the development trend of modern measure technology.
Accompanying drawing explanation
Fig. 1 is FB(flow block) of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention and effect thereof are further elaborated.
As shown in Figure 1, a kind of multibeam echosounder self-adaptation dynamic adjusting system, comprises display and control software, transducer, gain control unit, AD sampling module and processor; Wherein, transducer comprises transmitting transducer and receiving transducer;
Display and control software is connected with transmitting transducer and processor respectively, sends Sonar Signal in order to control transmitting transducer, and adjusts emissive power according to the order of processor and show adjustment result;
Transmitting transducer is for launching Sonar Signal reverberation water body;
The Sonar Signal of reception for receiving Sonar Signal, and is converted to weak electric signal by receiving transducer;
Gain control unit is connected with receiving transducer and processor respectively, in order to receive weak electric signal, and adjusts gain of received signal according to the order of processor;
AD sampling module is connected with gain control unit and processor respectively, for the simulating signal of reception being converted to digital signal and sending to processor;
The AD sampled value that processor is used for AD sampling module extracts judges, and gain control unit or display and control software is sent to the order of adjustment acknowledge(ment) signal gain or adjustment emissive power according to AD sampled value.
Further, a kind of control method of multibeam echosounder self-adaptation dynamic adjusting system, comprises the following steps:
A, by display and control software control transmitting transducer launch Sonar Signal, received by receiving transducer after Sonar Signal reverberation water body and be converted to weak electric signal, this weak electric signal sends AD sampling module to through gain control unit;
B, judged the AD sampled value that AD sampling module extracts by processor, if AD sampled value is in the stable region preset, then do not need the gain of adjustment acknowledge(ment) signal, system performs subsequent operation; If AD sampled value is not in the stable region preset, then increased by processor ride gain control module or reduce gain of received signal, making Received signal strength self-adaptation in stable region;
C, gain of received signal change preprocessor and again judge AD sampled value, if AD sampled value is in the stable region preset, then do not need the gain of adjustment acknowledge(ment) signal, system performs subsequent operation; If AD sampled value is not still in stable region, then controls display and control software by processor according to AD sampled value and improve or reduce emissive power;
D, emissive power perform above-mentioned a, b, step c after changing again successively, form circulation and regulate, till making Received signal strength self-adaptation in stable region.
Described stable region is between the 30%--70% of AD reference value; AD reference value is a kind of fixed value of chip internal, and different chips has different reference values.Stable region can be set in advance according to specifically chip used AD reference value in practical operation.
While the present invention realizes automatically regulating gain of received signal, also automatically emissive power can be regulated, and realize circulation dynamic adjustments by coordination gain of received signal and emissive power, reception voltage signal is made to remain on stable region, ensure that the measuring accuracy of multibeam sounding system, meet the development trend that modern automation is measured.Solve in prior art and adopt manual shift gain of received signal and emissive power, affect the technical matters of operating efficiency.Such as in measuring process, water depth change greatly, if manually regulated system, then can not take other operations into account; As checked the depth of water (bottom) Become the picture software.If adopt self-adaptation dynamic adjusting system provided by the invention, operating personnel, after start up system, need not carry out operation bidirectional to system, can be absorbed in the depth of water (bottom) and become figure effect, even can do further subsequent treatment to one-tenth figure effect.
Above embodiment is only exemplary, can't limit to the present invention, should be understood that for a person skilled in the art, and under technology enlightenment provided by the present invention, other equivalent modifications made and improvement, all should be considered as protection scope of the present invention.
Claims (3)
1. a multibeam echosounder self-adaptation dynamic adjusting system, is characterized in that, comprises display and control software, transducer, gain control unit, AD sampling module and processor; Wherein, transducer comprises transmitting transducer and receiving transducer;
Display and control software is connected with transmitting transducer and processor respectively, sends Sonar Signal in order to control transmitting transducer, and adjusts emissive power according to the order of processor and show adjustment result;
Transmitting transducer is for launching Sonar Signal reverberation water body;
The Sonar Signal of reception for receiving Sonar Signal, and is converted to weak electric signal by receiving transducer;
Gain control unit is connected with receiving transducer and processor respectively, in order to receive weak electric signal, and adjusts gain of received signal according to the order of processor;
AD sampling module is connected with gain control unit and processor respectively, for the simulating signal of reception being converted to digital signal and sending to processor;
The AD sampled value that processor is used for AD sampling module extracts judges, and gain control unit or display and control software is sent to the order of adjustment acknowledge(ment) signal gain or adjustment emissive power according to AD sampled value.
2. the control method of a kind of multibeam echosounder self-adaptation dynamic adjusting system according to claim 1, is characterized in that, comprise the following steps:
A, by display and control software control transmitting transducer launch Sonar Signal, received by receiving transducer after Sonar Signal reverberation water body and be converted to weak electric signal, this weak electric signal sends AD sampling module to through gain control unit;
B, judged the AD sampled value that AD sampling module extracts by processor, if AD sampled value is in the stable region preset, then do not need the gain of adjustment acknowledge(ment) signal, system performs subsequent operation; If AD sampled value is not in the stable region preset, then increased by processor ride gain control module or reduce gain of received signal, making Received signal strength self-adaptation in stable region;
C, gain of received signal change preprocessor and again judge AD sampled value, if AD sampled value is in the stable region preset, then do not need the gain of adjustment acknowledge(ment) signal, system performs subsequent operation; If AD sampled value is not still in stable region, then controls display and control software by processor according to AD sampled value and improve or reduce emissive power;
D, emissive power perform above-mentioned a, b, step c after changing again successively, form circulation and regulate, till making Received signal strength self-adaptation in stable region.
3. the control method of a kind of multibeam echosounder self-adaptation dynamic adjusting system according to claim 2, is characterized in that: described stable region is between the 30%--70% of AD reference value.
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Cited By (8)
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| CN105319553A (en) * | 2015-11-30 | 2016-02-10 | 江苏中海达海洋信息技术有限公司 | LFM signal-based ultra wide band echo sounder and signal processing method thereof |
| CN106019262A (en) * | 2016-06-16 | 2016-10-12 | 北京海卓同创科技有限公司 | Multi-beam depth sounding sonar echo signal gain control system and method |
| CN106813602A (en) * | 2015-11-30 | 2017-06-09 | 江苏中海达海洋信息技术有限公司 | A kind of fully-automatic supersonic sounding instrument signal processing method based on Frequency Hopping Signal |
| CN106814360A (en) * | 2015-11-30 | 2017-06-09 | 江苏中海达海洋信息技术有限公司 | A kind of multibeam sounding system based on linear FM signal |
| CN111556129A (en) * | 2020-04-24 | 2020-08-18 | 山东科技大学 | High-performance multi-beam data acquisition system and method |
| WO2020173094A1 (en) * | 2019-02-27 | 2020-09-03 | 珠海格力电器股份有限公司 | Method and apparatus for adjusting output power of microwave radar device |
| CN112362902A (en) * | 2020-12-11 | 2021-02-12 | 江苏中海达海洋信息技术有限公司 | Doppler current profiler with self-adaptive intelligent current measurement |
| CN113050096A (en) * | 2021-03-11 | 2021-06-29 | 中北大学 | Transmitting voltage self-adaptive ultrasonic detection system and voltage adjusting method |
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| CN112362902A (en) * | 2020-12-11 | 2021-02-12 | 江苏中海达海洋信息技术有限公司 | Doppler current profiler with self-adaptive intelligent current measurement |
| CN113050096A (en) * | 2021-03-11 | 2021-06-29 | 中北大学 | Transmitting voltage self-adaptive ultrasonic detection system and voltage adjusting method |
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