AU2021102444A4 - A positive and negative linear frequency modulation method for ranging and speed measurement - Google Patents
A positive and negative linear frequency modulation method for ranging and speed measurement Download PDFInfo
- Publication number
- AU2021102444A4 AU2021102444A4 AU2021102444A AU2021102444A AU2021102444A4 AU 2021102444 A4 AU2021102444 A4 AU 2021102444A4 AU 2021102444 A AU2021102444 A AU 2021102444A AU 2021102444 A AU2021102444 A AU 2021102444A AU 2021102444 A4 AU2021102444 A4 AU 2021102444A4
- Authority
- AU
- Australia
- Prior art keywords
- signal
- lfm
- frequency modulation
- positive
- target
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000005259 measurement Methods 0.000 title claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 230000007423 decrease Effects 0.000 claims abstract description 5
- 238000001228 spectrum Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004088 simulation Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001934 delay Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 1
- 101100536354 Drosophila melanogaster tant gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000035485 pulse pressure Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000009466 transformation Effects 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/50—Systems of measurement, based on relative movement of the target
-
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S15/586—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets
-
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
- G01S15/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
-
- 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
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/523—Details of pulse systems
- G01S7/526—Receivers
- G01S7/527—Extracting wanted echo signals
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110433024.6 | 2021-04-22 | ||
| CN202110433024.6A CN113253279A (zh) | 2021-06-21 | 2021-06-21 | 一种正反线性调频信号测距测速方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2021102444A4 true AU2021102444A4 (en) | 2021-07-29 |
Family
ID=76972066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2021102444A Ceased AU2021102444A4 (en) | 2021-04-22 | 2021-05-10 | A positive and negative linear frequency modulation method for ranging and speed measurement |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN113253279A (zh) |
| AU (1) | AU2021102444A4 (zh) |
| LU (1) | LU500139B1 (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114821863B (zh) * | 2022-04-14 | 2023-10-17 | 杭州遁甲科技有限公司 | 智能门锁解锁方法及装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9465108B1 (en) * | 2014-12-03 | 2016-10-11 | The United States Of America As Represented By The Secretary Of The Navy | System and method for target doppler estimation and range bias compensation using high duty cycle linear frequency modulated signals |
| CN111781607B (zh) * | 2020-08-07 | 2023-03-03 | 中国计量大学 | 基于激光调频连续波正反向调谐色散对消方法及装置 |
-
2021
- 2021-05-07 LU LU500139A patent/LU500139B1/en active IP Right Grant
- 2021-05-10 AU AU2021102444A patent/AU2021102444A4/en not_active Ceased
- 2021-06-21 CN CN202110433024.6A patent/CN113253279A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN113253279A (zh) | 2021-08-13 |
| LU500139B1 (en) | 2021-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107561508B (zh) | 一种用于匀加速运动目标的相参积累检测方法 | |
| CN109375202B (zh) | 一种基于车载毫米波雷达的车辆测距测速方法 | |
| CN109799488B (zh) | 一种非参数搜索的雷达机动目标长时间相参积累方法 | |
| AU2021102444A4 (en) | A positive and negative linear frequency modulation method for ranging and speed measurement | |
| JP4930130B2 (ja) | アクティブソーナー装置、ソーナー用受信信号処理方法、及びその信号処理プログラム | |
| CN109633622B (zh) | 基于时间反转二阶Keystone变换的雷达机动目标跨单元积累方法 | |
| Yuan et al. | Application research of keystone transform in weak high-speed target detection in low-PRF narrowband chirp radar | |
| CN113534115B (zh) | 一种主被动联合处理的声纳目标高精度线谱提取方法 | |
| CN105223592A (zh) | 一种高动态环境下卫星导航接收机载波环跟踪装置 | |
| AU2022263477A1 (en) | Wind field information measurement method and nacelle-based lidar | |
| Xu et al. | Long-time coherent integration for radar target detection base on Radon-Fourier transform | |
| Liu et al. | Sch: a speed measurement method of combined hyperbolic frequency modulation signals | |
| CN106646422B (zh) | 增强相干测风雷达多普勒频移信号信噪比的预处理*** | |
| CN111007473B (zh) | 基于距离频域自相关函数的高速微弱目标检测方法 | |
| CN1332186C (zh) | 复杂背景下微弱信号检测和特征分析*** | |
| Hague | Target resolution properties of the multi-tone sinusoidal frequency modulatedwaveform | |
| Zhang et al. | Research on LFM combined signal ranging method | |
| CN110673118A (zh) | 一种主动声纳单频脉冲串波形设计及检测算法 | |
| CN113253280B (zh) | 一种联合双曲调频与线性调频的测距测速方法 | |
| CN113567990A (zh) | 一种基于hfm脉冲串信号的测速测距方法 | |
| US4940985A (en) | Radar stability measurement system | |
| Yang et al. | A fast time-delay estimator for linear frequency modulation signal based on frFt | |
| Zhou et al. | Research on Doppler feature extraction algorithm of underwater target | |
| Pei et al. | Long-time coherent integration method combining pulse compression and Radon fractional Fourier transform | |
| Yu et al. | Laser Doppler Vibration Signal Demodulation Algorithm and FPGA Implementation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FGI | Letters patent sealed or granted (innovation patent) | ||
| MK22 | Patent ceased section 143a(d), or expired - non payment of renewal fee or expiry |