Dual-channel radio monitoring and correlation interference direction-finding fixed station system

Binary channel wireless monitoring and related interference the direction-finding fixing station system

technical field

Are the invention relates to a binary channel wireless monitoring and related interference the direction-finding fixing station system, belonging to array digital signal processing the direction-finding technical field of the communication.

background technology

The radiofrequency spectrum management, wherein the load is normally greater than the direction of finding load, the special direction-finding receiver is left unused the majority of time, according to the practical operating need, wherein the two matched with monitoring and observable to the binary channel receiver, matched with the binary channel correlation interferometer the direction-finding system, capable, and without reducing the direction-finding precision and speed condition, improving system performance-to-price ratio, satisfies the user request.

invention content

Target of this invention is in aggregate of the reality of the direction-finding receiver majority of the left unused, wherein of initially with a binary channel monitoring direction-finding receiver, node for binary channel correlation interferometer the direction-finding system, the when the needing the direction-finding position performing for binary channel and thousand instrumental measurements, in which is allocated with the direction-finding, and transferred the wireless monitoring. Further optimizes the system, increases system performance-to-price ratio, wherein the no reducing the direction-finding precision and speed condition, realizing for monitoring display and direction-finding a vertically polatized wave multi-radio communication signal.

technical solution of this invention: The structure, high; the low-end power is rotary-screen switch and power divider and first antenna band; a RF amplifier and binary channel monitoring direction-finding receiver and digital intermediate frequency discriminator and monitoring direction-finding processing unit and control industrial computer and low-end vertical polarization antenna monitoring and high-end vertical polarization antenna monitoring and second band antenna and monitoring comprising a vertical polarization and base interferometer the direction-finding antenna array/the direction-finding selector, battery or commercial power; UPS and environment control and remote control power supply unit,

concentrator and network.

Monitoring direction-finding receiver is provided with the wireless monitoring and binary channel correlation interferometer the direction-finding, when detachable disposed on the wireless monitoring and direction-finding.

Power of this invention: For broadband large diameter of the direction-finding antenna array, a solved the crossed coupling problems between the antenna array very element, a removed between the antenna elementary the coupling and phase ambiguity. And the passive the direction-finding, can avoid causing the further interferometer the direction-finding antenna space the phase line wherein a linear one of active amplifier the bracket. For further interferometer the direction-finding system, at the same time a pair of antenna linear sampling element and ensure the synchronous, and a precise. Provided with the enhanced, nonstop, attenuation three pair of functions amplifiers; and auto-switching, widened the received signal application dynamic range, wherein when the acoustic signal, not easy to generate wherein a signal and blocking. For binary channel monitoring direction-finding receiver, monitoring and direction-finding of time-sliced the position; when no need for the direction-finding, a transfer the wireless monitoring. The high-precision is high, attenuator is good, performance-to-price ratio, the anti-interference capability.

Brief description for drawings

The auxiliary digital 1 is the invention embodiment electric executing block diagram.

The auxiliary digital 2) is the direction-finding antenna array schematic drawing for multi-channel (or binary channel) and monitoring and further interferometer the direction-finding fixing station system for.

The auxiliary digital 3 three function RF amplifier electric executing block diagram attached certain 4 is high; the low-end power is screwed on the rotary of the light schematic drawing (a group of electric a screen rotating switch and) of. The auxiliary digital 5 is the power divider is 1: The 2) is distributor consists of image structure.

The auxiliary digital 6 is environment-friendly control and remote control power supply unit structure diagram.

The auxiliary digital 7 is the invention software control system current charts.

The position 1 is the large base interferometer the direction-finding antenna array (vertical polarization); 2nd, high; the low-end power is screwed on the switch; 3rd, power divider; 4th, wherein the first antenna band; 5th, wherein a RF amplifiers; 6th, binary channel monitoring direction-finding receiver; 7th, digital intermediate frequency discriminator; 8th, monitoring direction-finding processing unit; 9th, wherein the industrial computer control and IO are low-end vertical polarization antenna monitoring and l1 high-end vertical polarization antenna device, 12 and second antenna selector, 13 and monitoring/the direction-finding selector, 14 and battery or commercial power, 15 and UPS, 16 is environment-friendly control and remote control power supply unit, 17 andThe concentrator, 18 and network. 19

Is a lightning rod, 20) are five vertical polarization passive the direction-finding antenna array: MHz-3000MHz 1350, 21) are five vertical polarization passive the direction-finding antenna array: MHz-1350MHz 500, 22) are five vertical polarization passive the direction-finding antenna array: 160MHz-500MHz, 23) are five vertical polarization passive the direction-finding antenna array: 20MHz-160MHz. , R, R2, 113 is the resistor and C, C2, (33 is the capacitor, Dw2 is a diode and Vl-V7 of the overvoltage for monitoring direction-finding controller; andAutomatic control system current image a monitoring direction-finding service device (dfNetServer) and direction-finding and current monitoring direction-finding service device (dfNetServer) motion switch.

detailed description of illustrated embodiments

Said auxiliary l shape, wherein a structure of large vertical polarization interferometer the direction-finding antenna array shape; the corrosion-resistant,

The electric low-end is rotary-screen switch 2, power distributor 3, first antenna band 4 and a function RF amplifier 5, binary channel monitoring direction-finding receiver 6, the intermediate frequency discriminator 7, monitoring direction-finding processing unit 8, wherein the industrial computer control 9, low-end vertical polarization antenna monitoring 10, high-end vertical polarization antenna monitoring 11, the band antenna 12, monitorings/the direction-finding band 13, battery or commercial power 14, UPS15 and environment control and remote control power supply unit 16, concentrator 17, 18 network.

Among them connecting relation: The perpendicular polarization and base interferometer the direction-finding antenna array 1) and high; the low-end power is screwed on the switch 2 first input end breakers joint, high; the low-end power is rotary-screen switch 2 output/input terminal and power distributor 3/input terminal communication joint, high; the low-end power is screwed on the switch 2 first and second antenna band 4 first input end of the joint; the first antenna band 4 first output end and a function RF amplifier 5 first input end of the joint; a RF amplifier 5 and binary channel monitoring direction-finding receiver 6 first input end, joint for binary monitoring direction-finding receiver 6, firstThe second and digital intermediate frequency discriminator 7 first, second input end of the joint; The binary channel monitoring direction-finding receiver 6 third and power distributor 3 first input end breakers joint, digital intermediate frequency discriminator 7 and industrial computer control 9 first input end of the joint; the industrial computer control 9 second, third input end is connected with UPS15 and environment control and remote control power supply unit 16 first output joint, the industrial computer control 9 first, second, third/input terminal is connected with a binary channel monitoring direction-finding receiver 6, monitoring direction-finding processing unit (8, 17 of the first output/input terminal communication joint; The monitoring direction-finding processing unit 8 first, second, third, fourth, fifth, and is connected with the power divider 3 second input end and first antenna band 4

The second input end; the three function and 5 second input end and binary channel direction-finding and 6 second input end and second antenna band 12 third input end and monitoring/the direction-finding band 13 second input end of the joint; Low-end vertical polarization antenna monitoring 10, high-end vertical polarization antenna monitoring 11 output connected with the second antenna band 12 first, second input end of the joint; The second antenna selecting output 12 and monitorings/the direction-finding band 13 third input end of the joint; The first antenna band 4 second and monitoring/the direction-finding band 13 first input end, jointBattery or commercial power 14 and UPS15 series, the second UPS15 and environment control and remote control power supply unit 16 input end, joint environment control and remote control power supply unit 16 output/input terminal concentrator and 17 second/input terminal communication joint; The concentrator 17 third/input terminal and network 18 output/input terminal communication joint.

The perpendicular polarization and base interferometer the direction-finding antenna array (1), is divided into four slots (corresponding to the four frequency bands), which the line; each of the is paid the passive vertical dipole antenna group of total height array, a full the direction-finding antenna array (20) antenna, oscillator is received signal. At lower layer is 20MHz to the 160MHz wave band; the most array large-diameter 3.0 m, the dipole unit layer is 1.8 m; The is 160MHz to a SPL-one-fifth wave band; the diameter array and bent length with reduced; Uplink a SPL-one-fifth is 1350 to A z wave, and diameter array and bent is further of; The uppermost layer is 1350MHz to the 3000MHz wave band; the diameter array and bent length of a. The impedance of 50Q.

Corrosion-resistant, low-end power is screwed on the switch 2) is divided into low-end power a screwed on the switch unit and high-end battery according to the frequency range is screwed on the switch device. Comprising a monitoring direction-finding processor 8 and a power supply.

And low-end power is screwed on the switch unit (is ANS) 017L the work frequency of 20MHz to 1350MHz, which is equal to the high-frequency electronic switch, comprising a 15 signal input end, 2 signal output end and 1 control/power supply ports 1, self-correcting signal input end and 1 self-correcting signal output end; the controlled of manufacturing a connection with two groups of the signal channels (is divided into a main circuit and an is) and self-correcting signal channel.

The electric high-end is screwed on the switch unit work frequency of 1350MHz to 3000MHz, the model of ANS018L, which is also a high-frequency electronic switch, comprising a 5 signal input ends, 2 signal output ends and l to control the emperor lJ/power supply ports and l self-correcting signal input end, which is controlled by with a connection with two groups of the signal channels (is divided into a main circuit and an is) and self-correcting signal channel. The circuit for working: The control voltage V1 and V2 add the power; when diode D divination, an, relate is fixed to A node of the removal vertical polarization further interferometer the direction-finding antenna array signal 1, wherein the control voltage V2 and V3 add the electric, wherein the conducting D^, a self-correcting signal is connected to A node, the control voltage V4 and V5 add the electric, wherein the conducting D^, node A a signal output from the main loop; The control voltage V6 and V7 add the electric, wherein the conducting D^2, node A signal of a assisting Embankment Shuchu (shown and a digital 4);

The comparison attached digital 5, the power divider comprises 3 ALL 050L 1: Operating 2: 1 5 Power divider and ALL 051L 1: 5 Power distributor two parts. ALL 050L power divider is used for frequency low-end, comprising a a self-correcting signal of the receiver generating first two groups; one loop is divided into 5 paths, introduces the electric low-end a screwed on the switch, a 20MHz to 160MHz wave band or 160MHz to SPL-one-fifth wave or SPL-one-fifth to 1350MHz wave band for performing a self-correcting by using; In addition self-correcting signal transmitted to the high-end power is screwed on the switch-box, and is l-shaped: a 5 The power distributor, energy to the high-frequency power a screwed on the switch unit is provided with the high frequency band self-correcting system.

The first antenna band 4 is the 4: The 2 selectors, a a screwed on the switch and low-end battery from high-end power is screwed on a switched in output 2 pairs of primary and secondary signals is used 1 double primary-and-secondary signal output. Comprising a 4 input end, 2 and 1 control/power supply terminal. The output an interphone the signal to three function RF amplifiers 5, wherein further auxiliary signal energy convey monitoring/the direction-finding band 13.

The comparison attached digital 3, wherein a RF amplifiers 5, wherein the work frequency of 20MHz to 3000MHz, comprising an enhanced, nonstop, the attenuation three pair of functions, and is according to leads circuit by setting software. To coming from the first antenna selector's the main passage signal deals with. Comprising a control 1/power supply end, 1 input ends and two l.

The three function amplifiers is composed of a first frequency relay, the second high-frequency relay, the amplifying circuit, a damping a power supply, a high relay (model RF303-12), the amplifier tube in amplifier (model ERA-51SM). the +12 power supply is added to a software control on which the first high relay and second high-frequency relay. When the first relay high-frequency switch power; and when the second relay high-frequency without add the power input, a signal amplifying circuit for obtaining linear, the second passes through the high-frequency relay and lower nonstop to some output. Is an enhanced a. When the first high relay without add the battery; and when the second relay high-frequency with, power input signal after the first frequency is nonstop part and second relay high-frequency attenuation circuit, wherein the attenuation output. Is an attenuation of. When the first high relay and second relay high-frequency connected with the add, power input signal of the first high relay and second high-frequency relay are nonstop to some output. Is a top nonstop to a. Therefore the amplifier with the top nonstop, and attenuation of three functions.

Binary channel monitoring direction-finding receiver 6, with monitoring and direction-finding television function. The needing the direction-finding,

The once further working, a coming from three function and 5 the main passage signals and/the direction-finding selector's the auxiliary a signal from monitorings and variable-frequency demodulation, and decoding, the output comprises a signal phase amplitude and two sets of intermediate frequency signal; and digital intermediate frequency discriminator 7 processing; aThe no need for the direction-finding, a channel is connected with, a coming from monitoring/the direction-finding selector's monitoring antenna signal deals with (relate to different frequency domain, wherein area and time domain signal end is monitoring measurement), wherein a frequency signal and amplitude,

Frequency offset, moudulation times, bandwidth layer, and spectrum image and information, which is a RS232 interface communication computer. The embodiment are Japan Anritsu Company RR510A binary channel monitoring direction-finding receiver. Wherein two channels share a local oscillating source, a phase uniformity of good, wherein a winding has the interferometer the direction-finding system high-precision, system and attenuator is very high stably, reliable.

Digital intermediate frequency discriminator 7 the functions to detect phase difference information in a signal vector voltage, wherein the model MC1596L), phase inverter (with two pair of plastic of the analogue multiplier: PSCQ-2-0. 455 And PSCQ-2-21. 4th, Which is connected to the 455KHz intermediate-frequency and 21. the 4MHz intermediate frequency signal deals with) and an amplifying circuit (amplifier tube is C157C) and that a coming from receiver the intermediate-frequency signal deals, and output signal phase information. Converting digital signal to provide with a (an A/D conversion) and a computer.

Monitoring direction-finding processor (8) is DFC 050L) is the system part of the control drive unit and direct current power supply unit. The processor through a serial port and control industrial computer (9 ADVANTECH IPC-610 communication), receiving the control order of computer, is screwed on the switch is high; the low-end 2) and power distributor 3, wherein band 4 and a function RF amplifier 5, monitoring direction-finding receiver 6, the band antenna 12, monitorings/the direction-finding band 13 equal disposed on the control, so the intermediate-voltage software device filled with monitoring and direction-finding to the radio signals. Control industrial computer (9 ADVANTECH IPC-610) and application software's carrier, except for performing device comprises a memory and printing) evening divination, further - dealt with a magnetism data, voice frequencies, video, comprising a time complexity statistic algorithm to the data information of mass collector (for example autocorrelation algorithm, detecting phase algorithm, the HILBERT conversion and FFT algorithm), wherein obtaining signal of. Comprising a travelling rate is head, large capacity and stable, reliable of LF2407 and earthquakes of the performance and the characteristic.

The low-end vertical polarization antenna monitoring 10 and high-end vertical polarization antenna monitoring 11 is tropism the passive bipyramid antenna with an improper method in horizontal plane; the low-end operating frequency is 20MHz to 700MHz, the high-end operating frequency is SPL-one-fifth to 3000MHz. Output impedance: 50Q interface, and is an N-TYPE socket. The low-end antenna is: Diameter; 1732mmHigh 1223 turns. The high-end antenna is: Diameter; 250mra High 370mm.

The second antenna band 12, and a selector 2:1, wherein the coming from the low-end vertical polarization antenna monitoring 10 and high-end vertical polarization antenna monitoring 11 the signals and, and selects 1) for monitoring signals to the remote monitoring/the direction-finding band 13. Comprising a 2 signal input end, 1 signal output end and 1 control terminal.

Monitoring/the direction-finding band 13, comprising a selector 2:1, wherein the coming from the first antenna selector's the direction direction-finding auxiliary a signal and a monitoring signal from the second band antenna based on, and selects 1 Xinhao Embankment (monitoring or the direction-finding signal) by the binary channel monitoring direction-finding receiver. Comprising a 2 signal input ends; l signal output ends and l control end.

The battery or commercial power 14 a commercial power 220VAC and battery unit (8) 12V100AH.

UPS 15 is the battery, is APC 2200VA the linear.

The comparison attached digital 6, environment control and remote control power supply unit 16, wherein the is held control command equal to the position to control system and device for high and low power, computer and air conditioner) is a remote control module, the data collecting unit (AD collecting for field 220VAC and reading apparatus high and low power direct-current voltage and data equal), the network video server (is DS-6001HC, for transmitting the field image), a colourful camera (is Samsung 101), a voltage sensor (is DYH28-14A, a 220V alternating current input of the v alternating current), a humidity sensor (is JWSL-3W), the cable sleeve (is BT-168A), an infrared an alarm (modelFor BT-922R) and part that. A fixed on the NJ45 interface

17 Cm and collector, a concentrator and a/wireless network transmission 18 butt. The control centre software (DESC0 DF7.0) are function, and a on the remote controller is the remote fixing, and receiving control centre indicating for monitoring, display, sound recording, the direction-finding or the connection element comprises a switch machine, and monitoring and direction-finding result feedback control centre. In addition, for monitoring to the working state; the connection device and the environment of remote, and energy to the control centre end and environment and working state and monitoring and data by the camera the remote monitoring's image via the transmission line monitoring. A with used comprises (burglary, fire-alarm equal) in report to with promptly.