JPH0735549A - Acoustic bathymetry - Google Patents

Abstract

(57) [Summary] [Purpose] The purpose is to perform high-speed survey. An RGB conversion circuit 9 for converting the depth data from the transducer 3 into RGB, an RGB display 10 for displaying output data from the RGB conversion circuit 9, and an RGB conversion circuit 9
The S signal conversion circuit 11 which converts the output data from the S signal into the S (video) signal and the VTR section 12 which records the output data from the S signal conversion circuit 11 are provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an acoustic sounding device for measuring the depth of a waterway, a seabed or the like.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 2, an acoustic sounding device of this type amplifies an oscillation circuit 1 for producing a transmission signal and a transmission trigger signal, and a transmission signal output from the oscillation circuit 1. A power amplifier (PA) 2, a wave transmitter / receiver 3 for transmitting the amplified transmission signal to the seabed, a reflected wave from the seabed,
That is, a head amplifier (HA) 4 that amplifies and filters depth data, a detection / sample hold device 5 that detects and sample-holds output data from the head amplifier 4, and a text data generator 6 that creates text data. A recording amplifier 7 for amplifying a transmission trigger signal, depth data and text data to a predetermined value, and a recording amplifier 7
The recording device 8 is of a discharge breakdown type or a thermal type, which records the output data from the recording medium on paper.

Therefore, in the acoustic sounding device having such a configuration,
The wave transmission signal is output from the oscillation circuit 1, amplified by the power amplifier 2, and the amplified wave transmission signal is transmitted to the seabed by the wave transceiver 3 according to the transmission trigger signal. The reflected wave (depth data) from the seabed is amplified by the head amplifier 4, filtered, detected by the detection / sample hold unit 5, and sample-held. Next, a transmission trigger signal from the oscillation circuit 1 and detection /
The depth data output from the sample hold device 5 and the text data output from the text data generator 6 are amplified by the recording amplifier 7 to a value at which the recording operation by the recording device 8 is possible, and then the recording device 8 outputs the depth data. I recorded the data on paper.

[0004]

However, in the above-described conventional acoustic sounding device, when the recorder 8 is of the discharge breakdown type, it is necessary to synchronize the oscillation circuit 1 and the recorder 8. The recording speed of depth data could not be increased,
There was a problem that the survey could not be speeded up. on the other hand,
Even when the recorder 8 is a thermal type, there is a problem that high-speed survey cannot be performed because the recorded depth data cannot be confirmed immediately.

The object of the present invention is to solve the above-mentioned problems.
The present invention provides an acoustic sounding device capable of high-speed surveying.

[0006]

In order to achieve the above-mentioned object, the present invention provides an oscillating circuit for producing a transmitted signal, and the transmitted signal to an object to be measured whose depth is to be measured.
In the acoustic sounding device, which comprises a transducer for receiving a reflected wave (depth data) from the object to be measured, and which measures the depth of the object to be measured based on the depth data, An RGB conversion circuit for converting the depth data into RGB, an RGB display for displaying the output data from the RGB conversion circuit, an S signal conversion circuit for converting the output data from the RGB conversion circuit into an S (video) signal, And a VTR section for recording output data from the S signal conversion circuit.

[0007]

In the present invention, the R and R conversion circuit for displaying the output data of the RGB conversion circuit is provided with the RGB conversion circuit in the acoustic sounding device.
Since the GB display device is provided, the depth data is displayed on the RGB display device at any time and confirmed in real time. In addition, a VT that records the output data of the RGB conversion circuit in the acoustic sounding device
Since the R portion is provided, the recording speed of the depth data is improved.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an acoustic sounding device of the present invention will be described with reference to FIG. Incidentally, FIG. 1 is a block diagram of a main part of the VTR recording type acoustic sounding apparatus. In FIG. 1, reference numeral 1 is an oscillating circuit that creates a transmission signal and a transmission trigger signal, and 2 is a power amplifier (P.
A), 3 is a transmitter / receiver that transmits the amplified transmission signal to the seabed, 4 is a head amplifier (HA) that amplifies and filters reflected waves (depth data) from the seabed, and 5 is a head A detector / sample-and-hold device that detects and samples and holds the output data from the amplifier 4, 6 is a text data generator that creates text data, and 7 is a recording amplifier that amplifies the transmission trigger signal, depth data, and text data to a predetermined value. is there.

Further, 9 is an RGB conversion circuit for converting the output data from the recording amplifier 7 into RGB according to the signal strength thereof,
10 is an R for displaying the output data from the RGB conversion circuit 9.
A GB display unit 11, an S signal conversion circuit for converting the output data from the RGB conversion circuit 9 into an S (video) signal, and a VTR unit 12 for recording the output data from the S signal conversion circuit on a video tape.

Next, the operation of the VTR recording type acoustic sounding apparatus will be described. First, a wave transmission signal is output from the oscillation circuit 1, amplified by the power amplifier 2, and the amplified wave transmission signal is transmitted to the seabed by the wave transceiver 3 according to the transmission trigger signal. The reflected wave (depth data) from the seabed is amplified by the head amplifier 4, filtered, and then detected by the detection / sample hold device 5 and sample-held. Next, the transmission trigger signal from the oscillation circuit 1, the depth data output from the detection / sample and hold unit 5, and the text data output from the text data generator 6 are amplified by the recording amplifier 7 to a predetermined value. After that, the output data from the recording amplifier 7 is converted to RGB by the RGB conversion circuit 9 according to the signal strength, and R
It is displayed on the GB display 10. Further, the output data from the RGB conversion circuit 9 is converted into S by the S signal conversion circuit 11.
It is converted into a (video) signal and recorded on the video tape by the VTR unit 12. Further, the recorded depth data is reproduced by the VTR unit 12 when necessary, and after the S signal / RGB signal conversion is performed, the RGB display 10 or the VTR unit 12 is performed.
Is displayed on the NTSC television screen.

As described above, in this embodiment, since the RGB indicator 10 for displaying the output data of the RGB conversion circuit 9 is provided in the acoustic sounding device, the depth data is displayed on the RGB indicator 10 at any time and confirmed in real time. To be done. Also, RG
V for recording the output data of the B conversion circuit 9 on a video tape
Since the TR unit 12 is provided, the recording speed of the depth data is improved. In addition, the recorded depth data can be stored in R
Since it is displayed on the NTSC system television screen of the GB display unit 10 or the VTR unit 12, it becomes easy to study and examine the depth data. Further, the reflected wave from the seabed is converted into RGB according to its signal intensity, which is also effective for investigation of the soil condition of the seabed. In addition, since the conventional discharge breakdown type recorder is not used, no offensive odor is generated, and since the heat sensitive recorder is not used, it is not necessary to consider the maintenance of the recording paper.

[0012]

As described above, according to the present invention, R for displaying the output data of the RGB conversion circuit on the acoustic sounding device.
Since a GB display is provided, the depth data is displayed on the RGB display at any time and can be confirmed in real time, and the VT that records the output data of the RGB conversion circuit in the acoustic sounding device.
Since the R portion is provided, the recording speed of the depth data is improved.
Therefore, high-speed measurement of 10 times or more per second is possible.

[Brief description of drawings]

FIG. 1 is a block diagram of a main part of a VTR recording type acoustic sounding apparatus of the present invention.

FIG. 2 is a block diagram of a main part of a conventional acoustic sounding apparatus.

[Explanation of symbols]

 1 Oscillation Circuit 2 Power Amplifier 3 Transducer 4 Head Amplifier 5 Detection / Sample Hold Device 6 Text Data Generator 7 Recording Amplifier 9 RGB Conversion Circuit 10 RGB Display 11 S Signal Conversion Circuit 12 VTR Section

Claims (1)

[Claims] 1. An oscillating circuit for producing a transmitted signal, and the transmitted signal to a DUT whose depth is to be measured,
An acoustic sounding device comprising: a transducer for receiving a reflected wave (depth data) from the object to be measured, and measuring the depth of the object to be measured based on the depth data. R for RGB conversion of depth data
From the GB conversion circuit, the RGB display that displays the output data from the RGB conversion circuit, the S signal conversion circuit that converts the output data from the RGB conversion circuit into an S (video) signal, and the S signal conversion circuit And a VTR section for recording the output data of the above.