CN101330595A - Gang control system for ultra long range radar and video - Google Patents

Abstract

The invention discloses a super-long-range radar and video linkage control system comprising a radar and a radar information processing system; a telephoto lens, a digital high-definition video camera and an all-round digital high-precision cloud terrace are arranged at the top part of an observation post; a video linkage control computer, a digital vector control keyboard and a monitor are arranged in a control room of the observation post; the system further comprises a monitoring center; and the components are connected through a network. The super-long-range radar and video linkage control system realizes the integration of optical and electronic observation means and the comprehensive use of information of the radar system, thereby solving the problems of lower search speed and poorer accuracy of the prior artificial optical observation and realizing the digitalization, the networking and the automation of the optical observation. The system can greatly improve target searching and tracking speed and precision, and reduce labor intensity of staff on duty.

Description

Ultra long range radar and video linkage control system

Technical field

The present invention be a kind of can with the very-long-range video control system of radar interlock.

Technical background

In order accurately and timely to find tracking target, carrying out the sea searches and rescues and the environmental protection supervision, maritime sector has been set up the sentry post at each harbour, these sentry posts are equipped with two kinds of equipment mostly: a kind of is to utilize the reflection of electromagnetic wave principle to carry out the radar equipment of target acquisition, another kind is various optical reconnaissance equipment, comprises the telescope of using to the sea, to sky and night observation.These two kinds of equipments respectively have speciality, radar equipment can be searched on a large scale, general equal the reaching more than tens kilometers of its radius of investigation, and be not subjected to the influence of optics visibility substantially, but institute's target information that obtains is not intuitively and have the property declared and a judgment accuracy problem of target; Optical reconnaissance equipment has the characteristics of the directly perceived and accuracy of judgement of information object to the observation of target, and its main shortcoming is that range of observation is limited, and crusing radius is restricted by optics visibility.Simultaneously, the informational needs that this two kind equipment is obtained manually carries out comprehensively, information such as the target location that radar obtained, the direction of motion and speed can't pass to optical reconnaissance equipment automatically, often need through the target that manual search after a while could be found and radar target is complementary after radar is found target, particularly will increase greatly this search time in the environment of more complicated; In addition, existing optical reconnaissance equipment right and wrong are digitized, so just can't preserve, transmit and collect evidence image.

Summary of the invention

The present invention is directed to the problems referred to above, ultra long range radar and video linkage control system a kind of rational in infrastructure, easy and simple to handle, practical is provided, solve at present artificial optical observation search speed and all poor problem of accuracy.

The present invention includes and comprise radar and radar information treatment system; Omnidirectional's numeral high accuracy The Cloud Terrace is installed at the observation post top, on omnidirectional's numeral high accuracy The Cloud Terrace, is provided with the digital high-definition video camera, the digital high-definition video camera is furnished with telephoto lens, and video linkage control system computer, digital vector supervisory keyboard, monitor are installed in the observation post control room; Connect by network between them.

The invention provides and a kind ofly detect (sight) by front end and examine equipment, signals collecting and treatment system, Network Transmission and control etc. and form, ultra long range radar and video linkage control system with functions such as radar video information and optical imagery interlock identification, remote transmission, information fusion, multistage fraction controls, the informix of having realized the integrated and radar system of light, electric reconnaissance means uses, solve at present artificial optical observation search speed and all poor problem of accuracy, realized digitlization, networking and the automation of optical observation.Native system will improve the speed and the precision of target search and tracking greatly, reduce operator on duty's labour intensity, also improve extra large surveillance information benefit.

This project utilization radar target signal, radar signal collection by controlled front end reconnaissance equipment such as integrated high-resolution camera, very-long-range zoom lens, high accuracy number The Cloud Terrace and independent development and coding, telecommunication network transmission, back end control system have been realized the remote monitoring that radar target signal and optical imagery link; Adopt image vector to handle and the landform shield technology,, realized effective tracking naval target with radar image and the transparent stack of electronic chart; Utilization multi-channel parallel and target information correlation technique have solved information fusion and information effectively exchange and the difficult point of discerning; Utilize three echoes of radar target, adopt preconditioning technique and interpolation algorithm, designed the target trajectory function, solved a radar target information interlock control of video difficult problem quick, level and smooth and that accurately point to.

Description of drawings

Fig. 1 is ultra long range radar of the present invention and video linkage control system structure chart;

Fig. 2 is ultra long range radar of the present invention and video linkage control system schematic diagram.

Embodiment

As shown in Figure 1, digitized optical observation realizes it being telephoto lens+digital camera+omnidirectional's numeral high accuracy The Cloud Terrace; Video linkage control system+digital vector supervisory keyboard+interlock Control Software; Network Transmission; Charge center Long-distance Control.

As shown in Figure 2, its principle is:

1. radar is searched for the sea and is obtained target information on every side, the radar image of radar information treatment system processing time sequence, to the target echo in the image discern automatically, tracking and kinematic parameter resolve; Be subjected to the restriction of radar working system and operation principle, data update rate＞2.4s, the bearing data precision is lower than the range data precision;

2. the radar information automated processing system is accepted the object observing indication that the person on duty selects, perhaps by network after command centre's receiving target indication, information such as target direction, distance are sent to video linkage control system with the form of packet; Afterwards, when having new data, target resends packet;

3. after video control console receives target data, the data message of target is carried out filtering and prediction, make the high accuracy The Cloud Terrace can be in the horizontal direction tracking target smoothly; Simultaneously, according to focus data computation and send to the focal length adjustment component and carry out the focal length adjustment of the range data of target and lens focus parameter to obtain target image clearly; In addition, system carries out angle of pitch calculating according to the setting height(from bottom) data and the range data of camera lens, and its result sends to the high accuracy The Cloud Terrace equally; According to the aforementioned calculation result, the high accuracy The Cloud Terrace just can obtain clear, the stable image of target for video system sensing guarantee accurately is provided.

The situation of each part is as follows:

1, front end.Telephoto lens, digital high-definition video camera, omnidirectional's numeral high accuracy The Cloud Terrace are installed at the observation post top.Video interlink controlling computer, digital vector supervisory keyboard, monitor etc. are installed in the observation post control room.Its fundamental mode is: 1) operator in control room selects to want the target of reconnaissance and surveillance on the radar controlling computer, the radar computer is passed to the video interlink controlling computer with target component, computer handle the back automatically control The Cloud Terrace quick lock in pay close attention to target and from motion tracking.When 2) operator carries out manual Keyboard Control to target, system will automatically switch to manual state.After keyboard inoperation in 30 seconds, The Cloud Terrace can automatically switch to the target that the radar interlock is followed the tracks of again, carries out from motion tracking.The image of reconnaissance and surveillance instrument record a video in real time in this locality and grabgraf preservation data in order to consulting and collecting evidence.

2, communication link.The image of front end reconnaissance and surveillance instrument is transferred to the charge center, and the center of accusing can be transferred to observation post with control signal simultaneously.For the performance that guarantees video frequency collection card can meet at a high speed, the service performance of high accuracy The Cloud Terrace, video frequency collection card itself must have splendid characteristic, comprising:

2.1, the picture quality of high definition.Can not produce tangible mosaic because of the quick rotation of high speed The Cloud Terrace now looks like.

2.2, lower time-delay.Because the The Cloud Terrace that system adopted has at a high speed, the characteristic of speed change, therefore must have promptness and synchronism by video frequency collection card collection image transmitted and control signal, can not produce tangible hysteresis because of controlling fast and now look like.

2.3, transmission bandwidth.Therefore remote transmission is the key link of whole system, will guarantee the unobstructed of image and control information transmission between multistage command centre and the sentry post, just must guarantee to have enough bandwidth.Because very-long-range reconnaissance and surveillance system output purposes is more, control interface is numerous, therefore, so will guarantee the images quality in the complex environment, and control in real time.Guarantee that transmission channel has enough bandwidth.

2.4 transmit basic implementation method.The vision signal of observation post's reconnaissance and surveillance instrument and cradle head control signal are sent to the charge center by the video frequency collection card compressed encoding by network.Video network work station by the center of charge is controlled.

3, charge center.At the charge center, configuration video network work station, manual supervisory keyboard.The image of observation post passes to by network and accuses on the central control equipment.As long as select the target of concern, the observation post control room is passed in instruction to the commander immediately at the center, and the radar computer of observation post promptly issues instructions to the interlock controlling computer and drives The Cloud Terrace work.The charge center also can directly preferentially be controlled The Cloud Terrace with the handle supervisory keyboard and rotate, and the front end image is presented on the central display in real time.In addition, the charge center also can be transmitted the image of each observation post, reaches resource-sharing in the net.

System integrates by high-resolution camera, very-long-range zoom lens, high accuracy number The Cloud Terrace, telecommunication network transmission and radar target signal capture to form, and set up one a plurality of front end reconnaissance and surveillance platforms and multistage charge center cluster arranged, can with the reconnaissance and surveillance system of radar interlock.System drives the locking of photoelectronic reconnaissance surveillance equipment, tracking target automatically by catching the echo signal that radar provides, and target image is deposited in the digital hard disc video recorder by digital collection card and telecommunication network transmission manner, so that check at any time.

Native system can be realized automatic control, also can realize manual control; Can front-end control, also can rear end control, also the control priority level can be set; Can vertically transmit information, can realize that also the network information is shared.System also can satisfy the user and realize the guarded region all-weather reconnaissance is monitored, and is in time reliable, obtains requirements such as marine site, low latitude abnormal conditions visual in imagely.

Claims (3)

1. ultra long range radar and video linkage control system is characterized in that: comprise radar and radar information treatment system; Omnidirectional's numeral high accuracy The Cloud Terrace is installed at the observation post top, on omnidirectional's numeral high accuracy The Cloud Terrace, is provided with the digital high-definition video camera, the digital high-definition video camera is furnished with telephoto lens, and video linkage control system computer, digital vector supervisory keyboard, monitor are installed in the observation post control room; Connect by network between them, radar is searched for the sea and is obtained target information on every side, the radar image of radar information treatment system processing time sequence, to the target echo in the image discern automatically, tracking and kinematic parameter resolve, the radar information automated processing system is accepted the object observing indication that the person on duty selects, and information such as target direction, distance are sent to video linkage control system with the form of packet; Afterwards, when having new data, target resends packet; After video control system receives target data, the data message of target is carried out filtering and prediction, make the high accuracy The Cloud Terrace can be in the horizontal direction tracking target smoothly; Simultaneously, according to focus data computation and send to the focal length adjustment component and carry out the focal length adjustment of the range data of target and lens focus parameter to obtain target image clearly; In addition, system carries out angle of pitch calculating according to the setting height(from bottom) data and the range data of camera lens, and its result sends to the high accuracy The Cloud Terrace equally; According to the aforementioned calculation result, the high accuracy The Cloud Terrace just can obtain clear, the stable image of target for video system sensing guarantee accurately is provided.

2. ultra long range radar according to claim 1 and video linkage control system is characterized in that also comprising the charge center, accuse center configuration video network work station, manual supervisory keyboard; The image of observation post passes to by network and accuses on the central control equipment; As long as select the target of concern, the observation post control room is passed in instruction to the commander immediately at the center, and the radar computer of observation post promptly issues instructions to the video interlink controlling computer and drives The Cloud Terrace work; The charge center also can directly preferentially be controlled The Cloud Terrace with the handle supervisory keyboard and rotate, and the front end image is presented on the central display in real time.

3. ultra long range radar according to claim 1 and video linkage control system is characterized in that: digital hard disc video recorder and omnidirectional numeral high accuracy The Cloud Terrace is connected.

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