CN104101866B - A kind of modulation pulse system in radar system - Google Patents
A kind of modulation pulse system in radar system Download PDFInfo
- Publication number
- CN104101866B CN104101866B CN201410380041.8A CN201410380041A CN104101866B CN 104101866 B CN104101866 B CN 104101866B CN 201410380041 A CN201410380041 A CN 201410380041A CN 104101866 B CN104101866 B CN 104101866B
- Authority
- CN
- China
- Prior art keywords
- pulse
- signal
- module
- input
- level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 230000011664 signaling Effects 0.000 claims abstract description 11
- 230000000295 complement effect Effects 0.000 claims description 8
- 210000001367 artery Anatomy 0.000 claims description 6
- 230000006870 function Effects 0.000 claims description 6
- 210000003462 vein Anatomy 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 238000010278 pulse charging Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- 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
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S2013/0236—Special technical features
- G01S2013/0245—Radar with phased array antenna
- G01S2013/0254—Active array antenna
Abstract
The invention discloses the modulation pulse system in a kind of radar system, including signal input/output interface, be used for radar processor command reception and data back；Signaling conversion circuit, instruction control level signal for being issued by radar processor is converted into the 3.3V Transistor-Transistor Logic level signal needed for described pulse generating module, and the 3.3VTTL level signal of described pulse generating module output passback is converted into the level signal that radar processor can identify；Pulse generating module sends the pulse signal of amplitude, pulsewidth and changeable frequency for the instruction issued according to radar processor；Module is driven to amplify rear drive MOSFET module output high pressure, heavy current pulse modulation voltage for described pulse signal carries out signal.The present invention can adjust the active radiating circuit of Connectors for Active Phased Array Radar and the modulation pulse charging time of active reception circuit and pulse recurrence frequency easily according to the needs used.
Description
Technical field
The present invention relates to Connectors for Active Phased Array Radar technical field, particularly to the tune in a kind of Connectors for Active Phased Array Radar system
Pulse system processed.
Background technology
Connectors for Active Phased Array Radar technology is the new technique the most developed, and has more excellent than traditional fire control radar
Gesture.The impulse modulation of radar system is mainly used on active radiating circuit and the active reception circuit of Connectors for Active Phased Array Radar,
There is provided pulse modulation voltage to respectively active radiating circuit and active reception circuit, the width of pulse modulation voltage in actual application
Degree, pulsewidth and frequency need to be changed according to reality application, and how be not given in prior art is Connectors for Active Phased Array Radar
In active radiating circuit and active reception circuit the technical side of modulation pulse voltage of amplitude, pulsewidth and changeable frequency is provided
Case.
Summary of the invention
It is an object of the invention to overcome the above-mentioned deficiency in the presence of prior art, it is provided that a kind of Connectors for Active Phased Array Radar
Modulation pulse system in system, its can provide big current-modulation pulse voltage that amplitude, pulsewidth and frequency can change to
Active radiating circuit in Connectors for Active Phased Array Radar and active reception circuit, meet pulse voltage need different in reality application
Ask.
In order to realize foregoing invention purpose, the technical solution used in the present invention is: the modulation pulse in a kind of radar system
System, including:
Signal input/output interface, has been used for radar processor command reception and data back；
Signaling conversion circuit, is connected between described signal input/output interface and pulse generating module, for by radar
The instruction control level signal that datatron issues is converted into the 3.3V Transistor-Transistor Logic level signal needed for described pulse generating module, and will
The 3.3VTTL level signal of described pulse generating module output passback is converted into the level signal that radar processor can identify；
Pulse generating module, sends amplitude, pulsewidth and changeable frequency for the instruction issued according to radar processor
Pulse signal；
Driving module, amplifying rear drive MOSFET module output high pressure, greatly electricity for described pulse signal being carried out signal
Stream pulse modulation voltage.
Described pulse generating module includes fpga chip, and this fpga chip includes built-in with CPU module, logic controller and arteries and veins
Rush signal generator, this fpga chip external parallel output unit, parallel input block, program storage, impulsive switched respectively
Switch and pulse condition switch；Described parallel output unit, parallel input block connect described signaling conversion circuit respectively；Described
Fpga chip receive radar processor issue instruction control within the frequency of pulse signal generator, dutycycle thus send
The pulse signal of amplitude, pulsewidth and changeable frequency, the data simultaneously calling described program storage realize startup, stopping, thunder
Reach scanning accuracy debugging functions.
Described driving module include level catch module, tri-state input buffer, logic controller, level shifting circuit and
Amplifying circuit；Described pulse condition switch and impulsive switched switch are respectively connecting to the input of tri-state input buffer, described
The outfan of tri-state input buffer and the outfan of level catch module are respectively connecting to the input of described logic controller,
The input of described level catch module is provided by outside negative pressure, and the outfan of described logic controller connects described level conversion electricity
The input on road, described level shifting circuit outfan connects the input of described amplifying circuit, the output of described amplifying circuit
End connects the input of described MOSFET module；Wherein, the letter that described tri-state input buffer is exported by described logic controller
Number being converted into the complementary pulse signal of two groups of 3.3V Transistor-Transistor Logic levels, level shifting circuit is the 3.3V exported by logic controller
The complementary pulse signal of Transistor-Transistor Logic level is converted into 5V COMS pulse signal, and pulse signal enters described level shifting circuit and adjusts arteries and veins
Rushing signal amplitude, the pulse signal after adjustment amplitude promotes driving force after amplifying circuit, directly drives described
MOSFET module output high pressure, heavy current pulse modulation voltage.
Compared with prior art, beneficial effects of the present invention: the present invention can send according to the instruction that radar processor issues
The pulse signal of amplitude, pulsewidth and changeable frequency, controlling program user can be adjusted according to demand, so can be easily
Adjust the active radiating circuit of Connectors for Active Phased Array Radar and the modulation pulse charging time of active reception circuit and pulse recurrence frequency.
The present invention can easily adjust the active radiating circuit of Connectors for Active Phased Array Radar and active reception circuit according to the needs used
Modulation pulse charging time and pulse recurrence frequency.
Accompanying drawing illustrates:
Fig. 1 is the modulation pulse system schematic diagram in radar system of the present invention；
Fig. 2 is the concrete structure figure of signal input/output interface in Fig. 1；
Fig. 3 is that signal input/output interface in Fig. 1, signaling conversion circuit are specifically connected block diagram with pulse generating module；
Fig. 4 is the concrete structure figure of the pulse generating module in Fig. 1；
Fig. 5 is the concrete structure figure driving module in Fig. 1.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in further detail.But this should be interpreted as the present invention
The scope of above-mentioned theme is only limitted to below example, and all technology realized based on present invention belong to the model of the present invention
Enclose.
Referring to Fig. 1, the modulation pulse system in the radar system of the present invention, including: signal input/output interface 1, it is used for
Complete radar processor command reception and data back.
It is concrete, as in figure 2 it is shown, signal input/output interface 1 is by the input interface 11 of signal and the output interface of signal
12 compositions, this interface mainly completes radar processor command reception and data back.Signal input/signal output interface 1
Input connects the datatron of radar users, and outfan connects signaling conversion circuit 2.
Also include signaling conversion circuit 2, be connected between described signal input/output interface 1 and pulse generating module 3,
Instruction control level signal for being issued by radar processor is converted into the 3.3V TTL electricity needed for described pulse generating module
Ordinary mail number, and the 3.3VTTL level signal of described pulse generating module output passback is converted into what radar processor can identify
Level signal.
Concrete, as it is shown on figure 3, signaling conversion circuit 2 includes incoming signal level transducer 21 and output signal level
Transducer 22, this circuit has 2 partial actions, incoming signal level transducer 21 to be the control level letters issued by radar processor
Number being converted into the 3.3V Transistor-Transistor Logic level signal needed for pulse generating module, output signal level transducer 22 is by pulse generation mould
The 3.3V Transistor-Transistor Logic level signal of block output is converted into the level signal that radar processor can identify.Incoming signal level transducer 21
Input be connected to signal input interface 11, outfan is connected to pulse generating module 3；Output signal level transducer 22
Input is connected to pulse generating module 3, and outfan is connected to signal output interface 12.
This system also includes pulse generating module 3, the instruction for issuing according to radar processor send amplitude, pulsewidth and
The pulse signal of changeable frequency；And drive module 4, amplify rear drive MOSFET for described pulse signal being carried out signal
Module 5 exports high pressure, heavy current pulse modulation voltage.
As shown in Figure 4, described pulse generating module 3 includes fpga chip 31, and this fpga chip 31 includes built-in with CPU module
311, logic controller 312 and pulse signal generator 313, this fpga chip 31 respectively external parallel output unit 32, parallel
Input block 33, program storage 34, impulsive switched switch 35 and pulse condition switch 36；Described parallel output unit 32 and
Row input block 33 connects described signaling conversion circuit 2 respectively；Described fpga chip 31 receives the instruction that radar processor issues
The frequency of the pulse signal generator within Kong Zhiing, dutycycle thus send the pulse signal of amplitude, pulsewidth and changeable frequency,
The data simultaneously calling described program storage realize startup, stopping, radar scanning adjustment in accuracy function.Concrete, such as Fig. 4 institute
Showing, described pulse generating module 3 is by fpga chip, parallel output interface 32, parallel input interface 33, program storage 34, arteries and veins
Die-cut change switch 35 and pulse condition switch 36 composition.Using xilinx company fpga chip, it includes built-in with CPU module
311, logic controller 312 and pulse signal generator 313, fpga chip is sent out by radar processor instruction control wave
The raw frequency of device 313, dutycycle and program storage 34 data are called, it is achieved start, stop, radar scanning precision is repaiied
The function such as just.The fpga chip of pulse generating module 3 connects parallel output unit 32 respectively, parallel input block 33, program are deposited
Reservoir 34, impulsive switched switch 35 and pulse condition switch 36.Impulsive switched switch 35 and pulse condition switch 36 are connected to
Drive module 4.
Described driving module 4 includes that level catch module 41, tri-state input buffer 42, logic controller 43, level turn
Change circuit 44 and amplifying circuit 45；Described pulse condition switch 36 and impulsive switched switch 35 are respectively connecting to tri-state input buffering
The input of device 42, the outfan of described tri-state input buffer 42 and the outfan of level catch module 41 are respectively connecting to institute
Stating the input of logic controller 43, the input of described level catch module 41 is provided by outside negative pressure, described logic controller
The outfan of 43 connects the input of described level shifting circuit 44, and described level shifting circuit 44 outfan connects described amplification
The input of circuit 45, the outfan of described amplifying circuit 45 connects the input of described MOSFET module 5；Wherein, patrol described in
Collect controller 43 and the signal that described tri-state input buffer exports be converted into the complementary pulse signal of two groups of 3.3V Transistor-Transistor Logic levels,
Level shifting circuit 44 is that the complementary pulse signal of the 3.3V Transistor-Transistor Logic level exported by logic controller 43 is converted into 5V COMS arteries and veins
Rushing signal, pulse signal enters described level shifting circuit 44 and adjusts pulse amplitude, the pulse signal after adjustment amplitude
After amplifying circuit 45, promote driving force, directly drive described MOSFET module 5 to export high pressure, heavy current pulse modulation electricity
Pressure.
Concrete, as it is shown in figure 5, described driving module 4 is by level catch module 41, tri-state input buffer 42, logic
Controller 43, level shifting circuit 44 and amplifying circuit 45 form.Wherein level catch module 41 is that a kind of cascade logic UNPROFOR is protected
Module, when not having negative supply to provide, locking is output as low level by this module.Tri-state input buffer 42 is a kind of logic
The control device that high level enables, it has output low level, high level and three kinds of states of high resistant；Logic controller 43 is exactly
The signal that tri-state input buffer exports is converted into the complementary pulse signal of two groups of 3.3V Transistor-Transistor Logic levels, level shifting circuit 44
Being that the 3.3V Transistor-Transistor Logic level complementary signal that logic controller exports is converted into 5V COMS pulse signal, amplifying circuit 45 is one
Planting and provide high speed, high pressure, the amplifying circuit of big electric current, this circuit is to provide for rear class MOSFET module 5 to open and close at a high speed
Drive function.Pulse condition switch 36 and impulsive switched switch 35 are connected to tri-state input buffer 42 and input, and tri-state input is slow
The output of the output and level catch module 41 of rushing device 42 is connected to logic controller 43 and inputs, the input of level catch module 41
Being thered is provided by negative pressure, the input of logic controller output 43 connection level shifting circuit 44, level shifting circuit 44 exports connection and puts
Big circuit 45 inputs, and amplifying circuit 45 output connects the input of MOSFET module 5.
In the present invention, the control input of pulse generating module 3 passes through signaling conversion circuit 2 and radar recipient processor phase
Connect.User can control the modulation generation of pulse, the change of pulse width and the repetition rate of pulse by instruction.In pulse
Occur in the program storage 34 of the built-in CPU of module 3 equipped with preset following procedure function: 1) drive the enable of module 4 to control,
Driving module closedown work can be made by enabling control signal or wake up work up.2) produce 1KHz～1MHz repetition rate, account for
The empty adjustable pulse signal of ratio, the instruction that can send according to user, export corresponding pulse signal.
Present invention FPGA(PLD) the embedded CPU of chip forms pulse generator, with digital command control
Pulse generator processed, control program all writes with Verilog HDL language, and user can be adjusted according to demand, easily
Adjust the active radiating circuit of Connectors for Active Phased Array Radar and the modulation pulse charging time of active reception circuit and pulse recurrence frequency.
Module is driven to use level catch module 41, tri-state input buffer 42 and logic controller 43 circuit, convenient locking input
Pulse signal, adjusts pulse amplitude with over level change-over circuit (44), and the pulse signal after adjustment amplitude is through amplifying
After circuit 45 amplifies, promote driving force, improve and drive MOSFET module 5 switch time.
During present system work, pulse generating module 3 is output as low level at default conditions, now drives module 4 defeated
Entering to enable signal is low level, drive module 4 be closed, after receiving user instruction, drive module 4) input make
High level can be received by signal, drive module 4 to be in stand-by operation state, now can want according to the instruction of radar processor output
Seeking the corresponding pulse modulation voltage of output, the modulation voltage of output has good waveform and stability.
The present invention can send the pulse signal of amplitude, pulsewidth and changeable frequency according to the instruction that radar processor issues,
Control program user can be adjusted according to demand, so can adjust easily the active radiating circuit of Connectors for Active Phased Array Radar and
The modulation pulse charging time of active reception circuit and pulse recurrence frequency.The present invention can be according to the needs used, easily
Adjust the active radiating circuit of Connectors for Active Phased Array Radar and the modulation pulse charging time of active reception circuit and pulse recurrence frequency.
Above in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail, but on the present invention is not restricted to
Stating embodiment, in the case of without departing from the spirit and scope of claims hereof, those skilled in the art can make
Go out various amendment or remodeling.
Claims (1)
1. the modulation pulse system in a radar system, it is characterised in that including:
Signal input/output interface (1), has been used for radar processor command reception and data back；
Signaling conversion circuit (2), is connected between described signal input/output interface (1) and pulse generating module (3), is used for
The instruction control level signal issued by radar processor is converted into the 3.3V Transistor-Transistor Logic level needed for described pulse generating module (3)
Signal, and the 3.3V Transistor-Transistor Logic level signal of described pulse generating module (3) output passback is converted into radar processor can identify
Level signal；
Pulse generating module (3), the instruction for issuing according to radar processor sends the arteries and veins of amplitude, pulsewidth and changeable frequency
Rush signal；
Driving module (4), amplifying rear drive MOSFET module (5) output high pressure, big for described pulse signal being carried out signal
Current impulse modulation voltage；
Wherein, described pulse generating module (3) includes that fpga chip (31), this fpga chip (31) include built-in with CPU module
(311), logic controller (312) and pulse signal generator (313), this fpga chip (31) external parallel output unit respectively
(32), parallel input block (33), program storage (34), impulsive switched switch (35) and pulse condition switch (36)；Described
Parallel output unit (32), parallel input block (33) connect described signaling conversion circuit (2) respectively；Described fpga chip (31)
Receive radar processor issue instruction control within the frequency of pulse signal generator, dutycycle thus send amplitude, arteries and veins
The wide pulse signal with changeable frequency, the data simultaneously calling described program storage realize startup, stopping, radar scanning essence
Degree debugging functions；
Described driving module (4) includes level catch module (41), tri-state input buffer (42), logic controller (43), electricity
Flat change-over circuit (44) and amplifying circuit (45)；Described pulse condition switch (36) and impulsive switched switch (35) are respectively connecting to
The input of tri-state input buffer (42), the outfan of described tri-state input buffer (42) and level catch module (41)
Outfan is respectively connecting to the input of described logic controller (43), and the input of described level catch module (41) is born by outside
Pressure provides, and the outfan of described logic controller (43) connects the input of described level shifting circuit (44), and described level turns
Changing circuit (44) outfan and connect the input of described amplifying circuit (45), the outfan of described amplifying circuit (45) connects described
The input of MOSFET module (5)；Wherein, the signal that described tri-state input buffer exports is turned by described logic controller (43)
Changing the complementary pulse signal of two groups of 3.3V Transistor-Transistor Logic levels into, logic controller (43) is exported by level shifting circuit (44)
The complementary pulse signal of 3.3V Transistor-Transistor Logic level is converted into 5V COMS pulse signal, and pulse signal enters described level shifting circuit
(44) adjusting pulse amplitude, the pulse signal after adjustment amplitude promotes driving force, directly after amplifying circuit (45)
Connect driving described MOSFET module (5) output high pressure, heavy current pulse modulation voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410380041.8A CN104101866B (en) | 2014-08-04 | 2014-08-04 | A kind of modulation pulse system in radar system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410380041.8A CN104101866B (en) | 2014-08-04 | 2014-08-04 | A kind of modulation pulse system in radar system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104101866A CN104101866A (en) | 2014-10-15 |
| CN104101866B true CN104101866B (en) | 2016-09-21 |
Family
ID=51670163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410380041.8A Active CN104101866B (en) | 2014-08-04 | 2014-08-04 | A kind of modulation pulse system in radar system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104101866B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105007002B (en) * | 2015-07-06 | 2018-02-16 | 成都弘毅天承科技有限公司 | A kind of single-phase driving circuit structure based on single MEMS sensor |
| CN105007004B (en) * | 2015-07-06 | 2018-03-23 | 广州凌瑞电气有限公司 | A kind of three-phase drive circuit structure based on MEMS sensor |
| CN105048894B (en) * | 2015-07-06 | 2018-03-30 | 成都弘毅天承科技有限公司 | A kind of single-phase driving circuit structure based on single MEMS sensor |
| CN105048895B (en) * | 2015-07-06 | 2018-03-16 | 成都弘毅天承科技有限公司 | A kind of single-phase driving circuit structure based on MEMS sensor |
| CN105007003B (en) * | 2015-07-06 | 2018-02-16 | 马鞍山马钢电气修造有限公司 | A kind of three-phase drive circuit structure based on single MEMS sensor |
| CN105652247B (en) * | 2015-12-31 | 2018-11-30 | 成都雷电微力科技有限公司 | A kind of negative voltage pulse modulation circuit |
| CN110460395B (en) * | 2019-09-02 | 2024-04-19 | 深圳市强军科技有限公司 | Radio frequency pulse modulation circuit and device |
| US20210096226A1 (en) * | 2019-10-01 | 2021-04-01 | Hyundai Autron Co., Ltd. | Lidar system and its control method |
| CN112130123B (en) * | 2020-09-07 | 2021-05-11 | 成都信息工程大学 | Simulation method and system of weather radar pulse modulator |
| CN112910427A (en) * | 2021-01-13 | 2021-06-04 | 上海艾为电子技术股份有限公司 | Class D audio amplifier, adaptive pulse width adjusting method thereof and electronic equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4688000A (en) * | 1984-05-29 | 1987-08-18 | Donovan John S | Non biased push-pull amplifiers |
| US5214315A (en) * | 1991-04-23 | 1993-05-25 | Cornell Research Foundation, Inc. | Nanosecond RF switch driver |
| US5321293A (en) * | 1993-07-12 | 1994-06-14 | Xerox Corporation | Integrated device having MOS transistors which enable positive and negative voltage swings |
| CN1315079A (en) * | 1998-08-18 | 2001-09-26 | 印芬龙科技股份有限公司 | Driving circuit |
| CN1806387A (en) * | 2004-02-24 | 2006-07-19 | Tdk株式会社 | Pulse wave radar apparatus |
| CN101634703A (en) * | 2009-08-28 | 2010-01-27 | 杨大宁 | Radar pulse modulator |
| CN103151907A (en) * | 2011-12-07 | 2013-06-12 | 哈尔滨智木科技有限公司 | High-power metal-oxide-semiconductor field effect transistor (MOSFET) driving method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0915322A (en) * | 1995-07-03 | 1997-01-17 | Mitsubishi Electric Corp | Transmitter-receiver for radar |
| US20130187684A1 (en) * | 2012-01-25 | 2013-07-25 | Raytheon Company | Fast gate driver for silicon carbide junction field-effect (jfet) switching devices |
-
2014
- 2014-08-04 CN CN201410380041.8A patent/CN104101866B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4688000A (en) * | 1984-05-29 | 1987-08-18 | Donovan John S | Non biased push-pull amplifiers |
| US5214315A (en) * | 1991-04-23 | 1993-05-25 | Cornell Research Foundation, Inc. | Nanosecond RF switch driver |
| US5321293A (en) * | 1993-07-12 | 1994-06-14 | Xerox Corporation | Integrated device having MOS transistors which enable positive and negative voltage swings |
| CN1315079A (en) * | 1998-08-18 | 2001-09-26 | 印芬龙科技股份有限公司 | Driving circuit |
| CN1806387A (en) * | 2004-02-24 | 2006-07-19 | Tdk株式会社 | Pulse wave radar apparatus |
| CN101634703A (en) * | 2009-08-28 | 2010-01-27 | 杨大宁 | Radar pulse modulator |
| CN103151907A (en) * | 2011-12-07 | 2013-06-12 | 哈尔滨智木科技有限公司 | High-power metal-oxide-semiconductor field effect transistor (MOSFET) driving method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104101866A (en) | 2014-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104101866B (en) | A kind of modulation pulse system in radar system | |
| US9383805B2 (en) | Generating clock on demand | |
| CN103151949A (en) | Power supply of ultrasonic cleaning machine | |
| CN101634703A (en) | Radar pulse modulator | |
| CN106484029A (en) | Safe burr-free clock switching construction | |
| EP2573775A3 (en) | Semiconductor device and data processing system including the same | |
| CN201918631U (en) | Optical fiber laser | |
| CN105897230B (en) | A kind of production method for gating power circuit and gating power supply | |
| TW200504496A (en) | Method for PCI express power management using a PCI PM mechanism in a computer system | |
| CN204392216U (en) | A kind of trigger unit for thyristor | |
| CN201388190Y (en) | Double-thyristor trigger circuit | |
| CN103941247B (en) | Radar sequential control system based on CAN bus | |
| CN203388143U (en) | Solar infrared remote sensing bird dispeller | |
| CN205263303U (en) | Burden voltage pulse modulated circuit | |
| JP2010217128A (en) | Impulse generator | |
| CN105515349B (en) | A kind of switch tube driving circuit applied to programme-controlled dc power | |
| CN105652247B (en) | A kind of negative voltage pulse modulation circuit | |
| CN102739257B (en) | Digital to analog converter | |
| CN203119852U (en) | Pulse-generating circuit | |
| CN105472804A (en) | Parallel induction heating power supply inversion feedback circuit and method | |
| CN205195550U (en) | PWM ripples interlocking protection circuit based on CPLD chip | |
| CN203233337U (en) | Ultrasonic cleaner power source | |
| CN103684413B (en) | A kind of I/O circuit of band feedback | |
| CN202798647U (en) | Receiving circuit for high-speed input and output interface | |
| CN202068389U (en) | Short-time impulse signal realization device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Pulse modulating system of radar system Effective date of registration: 20170519 Granted publication date: 20160921 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: RML Technology Co., Ltd. Registration number: 2017510000025 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20181106 Granted publication date: 20160921 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: RML Technology Co., Ltd. Registration number: 2017510000025 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Pulse modulating system of radar system Effective date of registration: 20181116 Granted publication date: 20160921 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: RML Technology Co., Ltd. Registration number: 2018510000122 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190820 Granted publication date: 20160921 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: RML Technology Co., Ltd. Registration number: 2018510000122 |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 610041 Shiyang Industrial Park, No.288, Yixin Avenue, hi tech Zone, Chengdu, Sichuan Province Patentee after: Chengdu lightning Micro Power Technology Co., Ltd Address before: 610041 Shiyang Industrial Park, hi tech Zone, Chengdu, Sichuan Patentee before: RML TECHNOLOGY Co.,Ltd. |