JP3440940B2 - Radar system and software management device thereof - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radar device which realizes the main function of a radar device by software, that is, a computer program, and various computer programs for such a radar device are accumulated. The present invention relates to a software management device for supplying a predetermined computer program from a device to a corresponding radar device, and a radar system including a plurality of radar devices, a software management device, and software transmission means.

[0002]

2. Description of the Related Art In general, radar devices have a wide range of applications and are used in various applications. For example, marine radars use radar devices that perform signal processing to suppress clutter signals from the sea surface, and anti-aircraft radars avoid such radio interference in order to avoid radio interference from external enemies. ECCM (Ele that can counter
cttronic Counter Counter
A radar device having an interference wave removing function called “Measure” is used. In this way, each radar device is provided with a signal processing function according to its application, and it is difficult to use the radar device manufactured for a ship as it is for other applications, such as for anti-aircraft monitoring. .

Further, the effect of signal processing in such a radar apparatus changes depending on various conditions such as the type and state of the target or the radio environment around the target, and the desired effect can be obtained at the beginning of installation. However, if the observation conditions change, such as changes in the radio environment, it becomes difficult to maintain the desired effect with the initial radar performance, and it is necessary to change the radar performance.

[0004] For example, in a ship radar, so-called radar specifications such as transmission power, transmission frequency, transmission pulse width, transmission beam width, etc. differ depending on the type of vessel and purpose of use. Signal processing corresponding to the specifications of ECM (Electrical CounterM).
radio wave interference called "easure", but this EC
M technology and ECCM technology are constantly being improved.
In order to reliably avoid the radio wave interference due to the CM technology, it is necessary to always provide the radar device with the latest ECCM function.

Incidentally, Japanese Patent Laid-Open No. 5-52935 discloses that
A radar device that performs signal processing of a radar signal by a processor that operates by software is described. According to such a radar device, the processing method is changed, the evaluation is facilitated, and the processing method is further improved by modifying the program. It is described that high performance, low price and high reliability of can be realized.

[0006]

However, since the conventional radar device is constructed as described above, in any case, the radar device must be provided with the signal processing software according to the intended use, the observation conditions and the like. If, for example, the intended use of the radar device changes or the observation conditions change, the software used in the radar device should be appropriately changed to the contents corresponding to the intended use or observation conditions. It is necessary to replace the storage means itself in which the software is stored with another storage means, and the troublesomeness of the replacement work, and the location and time constraints for the replacement work are problems. was there.

It should be noted that, assuming a radio wave environment that may occur in the future in advance, a plurality of processing programs capable of coping with the radio wave environment are stored in the storage means, etc., and the processing programs are changed according to the observation conditions and the like. However, it is practically difficult to assume all changes in the radio wave environment, and a large-capacity storage means is required to store all such various types of software in the storage means. Is required, and a determination process for selecting software according to observation conditions is required. The so-called arithmetic unit (eg, CPU) is overloaded, which is not desirable in terms of device configuration. .

The present invention has been made in order to solve the above problems. One radar device is provided with a plurality of signal processing functions or the latest signal processing function corresponding to changes in the radio environment, and the radar In addition to being equipped with a new radar system that does not suffer from place and time restrictions on software changes in the equipment, and multiple signal processing functions or the latest signal processing functions that respond to changes in the radio environment, An object of the present invention is to provide a novel radar device that does not require a large-capacity storage means or the like and can reduce the processing load of an arithmetic unit that executes various signal processes according to software.

[0009]

A radar system according to a first aspect of the present invention is a software program stored in a program storage section.
Radar device for processing radar signals according to
Depending on the intended use or radio environment,
Multiple software designed to be signal-processable for signals
Of the software from among these multiple software.
Request from the radar device or the radar device is using
Predetermined software according to the update status of the software
Software for selecting and supplying to the radar device
A radar system including a device,
The wear management device collects by the signal processing of the radar device.
A database that stores the collected goal information and this goal
Based on the database of information, the accumulated software
A) The latest version that corresponds to the actual radio environment of the radar device
And a program updating means for updating the contents of the program .

A radar system according to the invention of claim 2 is
The software selected by the software management device
Is supplied to the radar device using a wireless communication line .

A radar system according to a third aspect of the invention is
The program storage section of the radar device is rewritable.
It is composed of a storage medium .

The radar system according to the invention of claim 4 is
The software stored in the program storage unit by the radar device.
Software supplied from the software management device.
Has program rewriting means to rewrite new software
To do .

A software management device according to the invention of claim 5
Is a set of software used for signal processing of radar signals.
Program storage means that stores software and multiple radars
Various target information acquired by the device is accumulated and
Target information storage means to create a database of target information from
And based on the database of this target information storage means
All the software stored in the program storage unit
Part or part of the
Update to the latest program content that is compatible with the
And means for updating the program .

[0014]

[0015]

[0016]

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiment 1. Hereinafter, Embodiment 1 of the present invention will be described. This will be described with reference to FIGS. 1 and 2. FIG. 1 is a system configuration diagram schematically showing a radar system according to an embodiment of the present invention. In FIG.
1 is software for a radar device installed in a specific facility in a government office, a company, etc. and used in various radar devices, for example, an anti-aircraft monitoring radar device, a ground monitoring radar device, a marine radar device, or weather information Software (hereinafter, referred to as radar device S / W) used in so-called signal processing of the radar device is accumulated, and centralized management of the software and supply of the radar device S / W to each radar device are performed. Each of the software management devices 2-1 to 2-4, 3-1 and 3-2 has a calculation unit (for example, composed of a plurality of CPUs) operated by the radar device S / W as described above. , Signal processing such as pulse compression processing and clutter suppression processing based on a predetermined radar device S / W stored in a program storage unit, switching of transmission / reception operation E and a radar apparatus that performs control for the specifications setting of the antenna beam.

The number of radar devices constituting the present radar system is not limited to that shown in FIG. 1, but may be increased or decreased according to the usage form of the radar system. The software management device 1 also centrally manages the number of radar devices that make up these radar systems and the usage status of the radar device S / W by these radar devices. Here, the software is a computer program that causes a radar device to function, and various processes and controls such as radar signal processing and antenna control are performed by executing such a computer program.

Further, 4-1 to 4-4 are software transmission means for software 5-1 and 5 which are wired communication lines provided between the software management device 1 and the radar devices 2-1 to 2-4. -2 is software management device 1
And a radar device 3-1 and 3-2, which is a software transmission means of software including a wireless communication line (hereinafter, referred to as software transmission means 4 and 5 when no distinction is made). In FIG. 1, 2-1 to 2-
4 is a fixed type radar device installed on land, coast, etc.
-1 and 3-2 are assumed to be mobile radar devices mounted on vehicles, aircraft, ships, etc. (hereinafter, referred to as radar devices 2 and 3 when no distinction is made), but fixed radar devices. The software transmission means set between the software management device 1 and the software management device 1 may be configured by a wireless communication line, and the software management device 1 supplies the radar device S / W to each radar device in the operation mode of the radar system. , Via software transmission means appropriately selected based on the environment surrounding the software management device 1 or the radar device.

Next, the operation will be described with reference to FIG.
FIG. 2 is a flow chart for explaining the operation of the radar system shown in FIG. 1, especially the operation for supplying the radar device S / W. For example, each radar device stores in advance a radar device S / W corresponding to a purpose of use or the like in a program storage unit or the like, and based on the radar device S / W, various signal processing, transmission / reception operations, etc. Control,
If the purpose of use is changed or the surrounding environment is changed, a desired result cannot be obtained by the initial processing by the radar device S / W. Each radar device 2 makes a request for the radar device S / W to the software management device 1 when the purpose of use is changed or the desired processing result cannot be obtained (S01).

This request is made, for example, by transmitting to the software management device 1 a program request signal including its own identification number and information designating the required radar device S / W.

The software management device 1 receives the program request signal from the radar device 2 and selects the radar device S / W (S02). As described below,
The software management device 1 has a program accumulating means for accumulating various radar device S / Ws, and a plurality of radar device S / Ws are stored in a database together with related information. Then, a predetermined radar device S / W is selected from the various radar device S / W stored in the program storage means in accordance with the request of the radar device.

The relevant information stored in the database together with the S / W for the radar device includes the date of creation of each software, the application / monitoring range (air, water, ground, weather, etc. and their radar coverage areas), Platform (aircraft,
Ships, vehicles, installation environment such as fixed on the ground), radar specifications (transmission pulse width, transmission frequency, detection distance, number of processing targets, etc.),
There are objects to be monitored (aircraft, helicopters, vehicles, ships and their sizes, etc.).

The selected S / W for radar device is a software constituted by a wired line communication line or a wireless communication line, whose supply destination is determined by an identification number or the like added to a program request signal from the radar device. It is supplied to the radar device 2 which has requested the software transmission via the transmission means (S03).

The radar device 2 which has been supplied with the radar device S / W from the software management device 1 performs various signal processing and transmission / reception operations by the new radar device S / W supplied from the software management device 1. In order to perform processing, etc., the S / for radar device stored in the program storage unit etc.
W is rewritten (S04). By performing various signal processing, transmission / reception control, and the like based on the rewritten radar device S / W, desired observation results can be obtained regardless of the purpose of use or changes in the surrounding environment.

For example, when the radar device 2-1 sends a request for transmission of a certain radar device S / W to the software management device 1, the software management device 1 will receive a large number of radar devices stored in the program storage means. For S /
A radar device S / W for which a transmission request is made is selected from W, and the selected radar device S / W is transmitted to the radar device 2-through the software transmission means 4-1 constituted by a wired communication line. Is supplied to 1. The same applies when a transmission request is received from the mobile radar device 3-1. In this case, the radar device S / W selected by the software management device 1 is a software transmission configured by a wireless communication line. It is supplied to the radar device 3-1 via the means.

As described above, the radar system according to this embodiment is provided with the software management device 1 in which a large number of S / W for various radar devices are accumulated, and each radar device 2 is composed of the software management device 1. Can obtain a desired radar device S / W from the software management device 1. Even if the user does not have various radar device S / Ws in advance, the radar signal S It is possible to perform transmission / reception control such as signal processing and antenna beam control. Further, by configuring the software transmission means by a wireless communication line, it is possible to easily supply the radar device S / W to a mobile radar device. In addition, when the software transmission means by the wireless communication line is configured in the fixed radar device, it is not necessary to re-install the wired communication line due to the change of the installation position, and the radar device is used due to disconnection or failure of the wired communication line. It is possible to prevent a situation in which the S / W cannot be supplied to the radar device.

In the radar system according to the present embodiment, the software management device 1 receives a request from each radar device, and the radar device S / W corresponding to the request is sent to the radar device that has made the request. Although the software is supplied, the software management device 1 may supply the radar device S / W to each radar device by another procedure. For example, the software management device 1
It is also possible to manage the update status of each radar device S / W and automatically supply the updated radar device S / W to the corresponding radar device. In this case, the transmission request operation on the radar device side as described above can be omitted, and the software update work for the radar device can be performed more efficiently.

Further, the radar system according to the present embodiment uses the wired communication line or the wireless communication line as the software transmission means, but it is also possible to use other means. For example, the radar device S / W selected by the software management device 1 is stored in a storage medium such as a flexible disk or a magneto-optical disk capable of writing and reading data, and the radar device S / W stored in the storage medium is stored. You may comprise so that / W may be read and used by the radar apparatus side. When the program supply means is configured by the above-mentioned wireless communication line, the S / W for the radar device can be easily supplied regardless of the movement of the radar device, while the program for the radar device is controlled by the surrounding environment such as rainy weather. It is possible that the supply cannot be performed reliably, but when the program supply means is composed of a storage medium such as a flexible disk or a magneto-optical disk, the radar device S / W is The supply can be ensured.

Embodiment 2. Next, a second embodiment of the present invention will be described. This will be described with reference to FIGS. 3 and 4. In this embodiment, a radar device S / W management device applied to a radar system as shown in FIG. 1 will be described.
3 is a block diagram showing a software management apparatus according to the present embodiment, which is a radar S / W management apparatus according to the present invention, and FIG. 4 is a database of the software management apparatus 1 as shown in FIG. It is an accumulation content explanatory view which shows typically the accumulation content of the accumulated S / W for radar devices. The relationship between the software management device according to the present embodiment and each radar device is as shown in FIG. 1, for example, and detailed description thereof will be omitted.

In FIG. 3, 6 is an S for various radar devices.
/ W is a program accumulating means in which a so-called database is accumulated, and 7 is a predetermined radar apparatus selected from a plurality of radar apparatus S / Ws accumulated in the program accumulating means 6 in accordance with a request of each radar apparatus. Software supplying means for transmitting S / W to a corresponding radar device, 8
Controls the entire operation of the software management device 1, and, for example, radar devices 2-1 and 3-as shown in FIG.
A radar device S / W transmission request from one or the like is received, and a predetermined radar device S / W is selected from among a plurality of radar device S / Ws stored in the program storage means 6 based on these transmission requests. S / W for selected radar device
Is a control means for controlling the software to be read by the software supply means 7 and supplied to the corresponding radar device.

Further, in FIG. 4, 9-1 to 9-n
(N is an integer of 2 or more) is the S / W for various radar devices stored in the program storage means 6 as a database. As shown in FIG. 4, the program storage means 6 includes software for anti-air radar devices (hereinafter referred to as anti-air S / W) 9-1 and 9-2, and software for ground radar devices (hereinafter referred to as ground S / W). A large number of various radar device S / Ws such as 9-3 (hereinafter referred to as W) are stored (hereinafter, referred to as radar device S / W 9 when no distinction is made).

Next, the operation will be described. For example, the radar device 2-1 to the software management device 1 shown in FIG.
A case will be described as an example where a transmission request for the air-to-air S / W is made. In the software management device 1, first, the control means 8 selects a predetermined radar device S / W corresponding to a transmission request of the radar device 2-1 from among a large number of radar device S / W stored in the program storage means 6. select. As described above, the transmission request from each radar device is, for example,
Since it is performed by the program request signal including the identification number of itself and the information for specifying the required radar device S / W, the control means 8 uses the information of the radar device S / W instructed by the program request signal. Based on this, a predetermined radar device S / W can be selected from the program storage means 6.

The instruction of the S / W for the predetermined radar device does not have to be the information for directly instructing the S / W for the corresponding radar device. For example, it is necessary depending on the information of the intended use and its surrounding environment. The radar device S / W may be instructed. In this case, it suffices to perform radar signal processing for anti-aircraft and to make a transmission request to the software management device 1 by a program request signal including information about its surrounding environment, such as its own position information and radio wave environment.

The predetermined radar device S / W selected in this way, for example, the air-to-air S / W 9-1 is the control means 8.
Is read by the software supply means 7.
The control means 8 instructs the software supply means 7 to supply the radar device S / W read from the program storage means 6 while instructing the radar device S / W to be read out. The predetermined radar device S / W read from the means 6 is supplied to the corresponding radar device 2 by the software supply means 7. As shown in FIG. 1, the software management device 1 and the radar device 2-
1 is connected via the software transmission means 4-1 to the S for air read by the software supply means 7.
/ W9-1 is supplied to the radar apparatus 2-1 via the software transmission means 4-1 composed of a wired communication line or the like.

The same applies when a transmission request is received from another radar device. For example, when the mobile radar device 3-1 requests the software management device 1 to transmit software for weather radar device (hereinafter referred to as weather S / W) 9-n, the software management device 1 Then
First, the control means 8 selects the weather S / W 9-n for which a transmission request has been made from among a large number of radar device S / Ws stored in the program storage means 6, and the selected weather S / W is selected.
9-n is read by the software supply means 7, and the radar device 3-is provided via the software transmission means 5-1 provided between the software management device 1 and the radar device 3-1.
1 is supplied.

As described above, in the software management device 1 according to the present embodiment, which radar device is supplied with which S / W for which radar device, or which S / W for which radar device is supplied. In order to manage whether or not is used for a long time, so-called radar S / W log management is performed. As a result, the current operating state of each radar device can be grasped, and it is applied by reviewing the radar device S / W stored in the program storage means 6 based on the result of this log management. An optimal software management device can be configured by the radar system.

As described above, according to the software management apparatus 1 for a radar device according to the present embodiment, a large number of various radar device S / Ws are accumulated, and a predetermined amount is automatically set according to a request from each radar device. Since the S / W for the radar device can be selected and supplied to each radar device, there is no restriction on location or time when updating the software for the radar device, and it is easy to perform. It is possible to provide one radar device with a plurality of signal processing functions or the latest signal processing functions corresponding to changes in the radio environment.

Embodiment 3. Next, a third embodiment of the present invention will be described. Will be described with reference to FIGS. 5 and 6. In this embodiment, a radar device applied to the radar system as shown in FIG. 1 will be described. FIG. 5 is a block configuration diagram showing a radar device according to this embodiment, and FIG. 6 is a radar device S / S stored in the radar device 2 shown in FIG.
It is a memory content explanatory view which shows the memory content of W typically. Note that the relationship between the radar device and the software management device according to this embodiment is as shown in FIG. 1, for example, and detailed description thereof will be omitted.

In FIG. 5, 10 is a transmitter that outputs a transmission signal, 11 is a transmission / reception switcher such as a circulator that switches transmission / reception operations, and 12 is a predetermined beam parameter (beam width) for the transmission signal output from the transmitter 10. And a beam pointing direction) and a directional antenna for receiving the reflected signal thereof, 13 is a receiver for receiving and processing the reflected signal received by the directional antenna 12 and converting it into a video signal, and 14 is a receiver 13. An A / D converter that converts the reception signal that has been subjected to reception processing into a digital signal, and 15 has a plurality of processors (for example, CPU) that operate in the S / W for radar device
S / W for radar device stored in program storage unit 16
An arithmetic unit for performing arithmetic processing according to the so-called radar signal processing, 17 controls the operation of the entire radar apparatus, and for example, the radar apparatus S stored in the program storage unit 16 is used.
/ W radar control software (hereinafter, radar control S /
The control unit controls the transmission / reception operations of the transmitter 10 and the receiver 13 based on (W), and controls the transmission request of the S / W for the radar device to the software management device 1 and the like. Reference numeral 18 denotes a program storage unit 16 storing at least the radar device S / W and the program storage unit 1
6 is a signal processing unit of a radar device including a calculation unit 15 that performs a calculation process according to the radar device S / W stored in FIG.

In FIG. 5, 19 is a display device for displaying various signal processing results in the calculation unit 15 on a display unit (not shown), and 20 is a predetermined radar device S / supplied from the software management device 1. It is a program rewriting means having a program receiving means 21 for receiving W and rewriting the predetermined radar device S / W received by the program receiving means 20 into the program storage section 16. The program receiving means 20 is the software management device 1
When the software transmission means provided between and includes a wireless communication line, it has a wireless device. The radar device shown in FIG. 5 is assumed to be a so-called three-dimensional radar device using a directional antenna, but the present invention is not limited to this, and the same applies to a two-dimensional radar device using an omnidirectional antenna. Is.

The program storage unit 16 is composed of a rewritable storage medium such as a hard disk, and a predetermined radar device S / W is always stored by rewriting the program rewriting means 21. here,
The predetermined radar device S / W is a radar device S / W suitable for the purpose of use of each radar device and its surrounding environment, and when the purpose of use of the radar device is changed or in the vicinity. When the environment changes, the radar device requests the software management device 1 to transmit a predetermined radar device S / W suitable for the changed intended use or the changed surrounding environment. Program rewriting means 2
The stored content of the program storage unit 16 is rewritten by 1.

Further, in FIG. 6, reference numeral 22 is radar device S / W stored in the program storage unit 16, and 22-1 to 22-n (n is an integer of 2 or more) are radar device S / W.
22 is software that is a functional unit that implements each function of the radar device. As shown in FIG. 6, the radar device S / W 22 stored in the program storage unit 16 is composed of a plurality of software 22-1 to 22-n programmed for each function. , Radar control S /
The contents of W, clutter suppression S / W, etc. are different depending on the purpose of use of the radar device, its surrounding environment, and the like.

For example, in the case of an anti-aircraft radar device for the purpose of early warning, it is necessary to constantly search for a target from a low altitude to a high altitude and further around the entire circumference.
22-1 is programmed to have an antenna beamwidth suitable for searching for such beam coverage or such target. Also, when the beam is directed in the high elevation angle direction, the clutter signal has little effect, so the clutter suppression performance is low, and when the beam is directed in the low elevation angle direction, the clutter suppression performance is high because it is affected by the strong clutter signal from the ground. The clutter suppression S / W 22-2 is programmed so that On the other hand, in the case of the ground radar device, the purpose is to detect vehicles and people traveling on the ground, and the beam coverage is narrower than the anti-air radar and the antenna beam width suitable for detecting such vehicles and people. Radar control S / W
22-1 is programmed, while the clutter suppression S / W 22-2 is programmed to have high clutter suppression performance because it is affected by a strong clutter signal from the ground.

Next, the operation will be described. For example, when the purpose of use of the radar device is changed, the radar device first requests the software management device 1 to transmit a predetermined radar device S / W according to the changed purpose of use. Then, when a predetermined radar device S / W is supplied from the software management device 1, the program receiving means 20 confirms whether or not the radar device S / W is normally received. If a program abnormality that hinders the execution of the program is detected, the software management device 1 is requested again to transmit the predetermined radar device S / W,
When it is normally received, the program rewriting means 21
The S / W for radar device stored in the program storage unit 16 is rewritten by.

As described above, in the radar device according to this embodiment, when the purpose of use is changed, or when the surrounding environment is changed, the software managing device 1 always provides the predetermined radar device S / W. Can be received, and the radar device can be controlled based on the supplied predetermined S / W for the radar device. Therefore, in one radar device, a plurality of signal processing functions or changes in the radio wave environment can be prevented. It is possible to realize a radar device that can be provided with the latest signal processing function corresponding to it, but does not require a large-capacity storage means or the like, and has a reduced processing load on a calculation unit that executes various kinds of processing according to software. .

Fourth Embodiment Next, a fourth embodiment of the present invention. Will be described with reference to FIG. 7. Embodiment 3 above. In the radar device according to the above, a predetermined radar device S / W is supplied from the software management device 1 through the software transmission means 4 and 5 constituted by a wired communication line or a wireless communication line.
Fourth Embodiment The radar device according to the present invention is such that a predetermined radar device S / W is supplied from the software management device 1 by a storage medium such as a flexible disk.

FIG. 7 is a block diagram showing a radar device according to this embodiment. In FIG. 7, reference numeral 23 is a flexible disk or a magneto-optical disk in which a predetermined radar device S / W is written in the software management device 1. And a storage medium 24, and a predetermined S for the radar device written in the software management device 1 from the storage medium 23.
/ W is a program reading means for reading out / W, and 21b is a program rewriting means having a program reading means 24. In the drawings, the same reference numerals indicate the same or corresponding parts, and detailed description thereof will be omitted.

Next, the operation will be described. In the radar device according to the present embodiment, when the software management device 1 is requested to transmit a predetermined radar device S / W, the storage medium 23 causes the software management device 1 to transmit the predetermined radar device S / W to the radar device. / W is supplied. Then, the predetermined S / W for the radar device written in the storage medium 23 is read by the program reading means 24, and the S / W for the radar device described in the third embodiment. It is rewritten in the program storage unit 16 in the same manner as. As described above, the radar device according to the present embodiment is similar to the radar device according to the third embodiment. Similar to the radar device according to the present invention, a predetermined radar device S / W can always be supplied from the software management device 1, and a plurality of signal processing functions or changes in the radio wave environment can be obtained without requiring a large-capacity storage means or the like. It is possible to provide the latest signal processing function corresponding to the above.

Embodiment 5. Next, a fifth embodiment of the present invention. Will be described with reference to FIG. In this embodiment, another software management device applied to the radar system as shown in FIG. 1 will be described. FIG. 8 is a block diagram showing the software management apparatus according to the present embodiment, which is a radar S / W management apparatus according to the present invention. In FIG. 8, reference numeral 25 denotes target information under various radio wave environments collected by the radar devices 2 and 3 shown in FIG. 1, for example, and the target feature amount (track, Doppler spectrum shape, speed, range) is accumulated. Target information accumulating means for generating a database based on the profile, etc., and 26 is the latest contents of the S / W for each radar device accumulated in the program accumulating means 6 based on the database of the target information generated in the target information accumulating means. It is a program updating means for updating the program content according to the target information. In the drawings, the same reference numerals indicate the same or corresponding parts,
Detailed description of these is omitted.

As described above, according to the software management device 1c of the present embodiment, the S / W for each radar device supplied to each radar device is not always the same content.
Since some or all of the contents are updated based on the database generated by the latest target information, it is more practical than the software management device shown in FIG. 3 for each radar device that constitutes the radar system. The optimum radar device S / W can be supplied according to the radio wave environment, etc., and the optimum radar device S / W can be supplied to the radar device more than the radar system shown in FIG. A radar system can be constructed.

In the radar system shown in FIG. 1, each radar device has a one-to-one correspondence with the software management device 1 constituting the radar system, but the radar device constituting the radar system has the same configuration. The other radar system may be configured to be configured. For example, in the case where there are a plurality of radar systems as shown in FIG. 1, each radar device that constitutes each of these radar systems is assigned a predetermined radar device S / W from each software management device 1 in another radar system. By being able to receive the supply, the applicable range of each radar device can be easily expanded.

Further, in the radar system shown in FIG. 1, the software management device 1 is a fixed type which does not move itself, but it may be movable. For example, by making the software management device 1 movable by mounting it on a moving body, the radar system as described above can be easily realized at a desired place.

[0054]

As described above, according to the present invention , the professional
Signal processing according to the software stored in the gram storage section
Radar device and its intended use or radio environment
Multiple software created for signal processing corresponding to
Software from among these multiple software
Requirements from the radar device or usage status of the radar device
Select the appropriate software according to the situation and select the radar device.
Equipped with a software management device for supplying
In the system, the actual radio environment for the radar device
Optimal software can be supplied according to

According to another invention, the signal of the radar signal is received.
A program that stores multiple software used for signal processing.
Acquired by Gram storage means and multiple radar devices
Various types of target information are accumulated, and a database of these target information is stored.
Target information storage means for creating a source and this target information storage
Storing the program based on the database of means
Change all or part of the software accumulated in the department,
Make the software compatible with the radio environment of the radar device.
Program update means to update to the latest program content
Since and are provided, the signal of the radar signal in the radar device
Multiple software used for processing is installed in the radar equipment.
Update to the optimum program according to the radio environment at the time
You can

[0056]

[0057]

[0058]

[0059]

[0060]

[0061]

[Brief description of drawings]

FIG. 1 is a first embodiment of the present invention. 2 is a block configuration diagram showing a radar system according to FIG.

2 is a flowchart showing the operation of the radar system shown in FIG.

FIG. 3 is a second embodiment of the present invention. FIG. 3 is a block diagram showing a software management device according to FIG.

4 is an explanatory diagram of accumulated contents showing accumulated contents of a radar device S / W accumulated as a database in the software management device 1 shown in FIG.

FIG. 5 is a third embodiment of the present invention. 2 is a block diagram showing a radar device according to the present invention. FIG.

6 is a storage content explanatory diagram showing storage content of a radar device S / W stored in the radar device shown in FIG. 5;

FIG. 7 is a fourth embodiment of the present invention. 2 is a block diagram showing a radar device according to the present invention. FIG.

FIG. 8 is a fifth embodiment of the present invention. FIG. 3 is a block diagram showing a software management device according to the present invention.

[Explanation of symbols]

1, 1c software management device, 2, 3 radar device, 4, 5 software transmission means, 6 program storage means, 7, software supply means, 9, 22 software for radar device, 12 directional antenna, 23 receiver, 16 Program storage unit, 15 Computing unit, 19
Display means, 20 program receiving means, 21, 21b
Program rewriting means, 23 Program reading means, 24
Program storage medium, 25 target information storage means, 26
Program update means.

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-6-175832 (JP, A) JP-A-9-190353 (JP, A) JP-A-9-331579 (JP, A) JP-A-10- 222373 (JP, A) JP 2001-51837 (JP, A) JP 7-287064 (JP, A) JP 6-203185 (JP, A) JP 2000-241527 (JP, A) JP 10-260246 (JP, A) JP-A-6-118160 (JP, A) JP-A-11-85689 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) G01S 7 / 00-7/42 G01S 13/00-13/95 G06F 9/06

Claims (5)

(57) [Claims] 1. Software stored in a program storage unit
A radar device that performs signal processing of a radar signal according to
Radar signal corresponding to each application or radio environment
Multiple software designed to handle any signal
From among these multiple software.
From the radar device or the software used by the radar device.
Select the appropriate software according to the software update status.
Software management device for selecting and supplying to the radar device
In a radar system comprising:
The management device collects data by the signal processing of the radar device.
Database that stores the target information that has been set, and this target information
Based on the database of
The latest professional model that corresponds to the actual radio environment of the radar device.
A radar system comprising: a program updating means for updating to gram contents . 2. The software management device is configured to perform the selection.
This software is installed on the radar device using a wireless communication line.
The radar system according to claim 1, wherein the radar system is supplied to a storage device. 3. A program storage unit of the radar device is written.
The radar system according to claim 1, wherein the radar system is configured by a replaceable storage medium . 4. The radar device is configured to store the program.
The software stored in the section
A program that rewrites the latest software supplied by
The radar system according to claim 1, further comprising ram rewriting means . 5. A plurality of units used for signal processing of radar signals
Program storage means that stores the software of
Various target information acquired by the radar device of
Goal information that creates a database of these goal information
Storage means and the database of this target information storage means
Software stored in the program storage unit based on
Change all or part of the
The latest program contents corresponding to the radio environment of the radar device
And a program updating means for updating to
Software management device.