WO2020107867A1 - 雷达系统及其控制方法 - Google Patents
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Definitions
- FIG. 7 shows a schematic block diagram of the second implementation structure of the radar system in FIG. 5.
- FIG. 2 shows a schematic diagram of steps performed by the processing module of the first embodiment of the present invention to perform a data processing procedure.
- the radar system provided by the present invention may also perform partial sub-steps after distributing the data and distribute the data to each radar unit for further processing, and obtain the result data by re-aggregating, that is, the data of the radar system
- the processing procedure may include at least one summary processing procedure (performed in a designated radar unit) and at least one distributed processing procedure (performed separately in each radar unit).
- the radar system of the above embodiment replaces the processor in the prior art that performs data processing uniformly by using processing modules separately provided in each radar unit, and adopts a bus structure connected to each radar unit to achieve clock synchronization, data synchronization, and data Exchange, so the requirement of the processing capacity of the processing module is low, which makes the radar system have better scalability and reduces the implementation cost of the radar system, so that the number of radio frequency channels can be easily increased to build a large-scale radar
- the system improves the accuracy and resolution of the detection distance and detection angle of the radar system; at the same time, the structure of each radar unit is similar or identical, so when designing or expanding the radar system, the design time and complexity of the system are required The degree is greatly reduced, there is no need to redesign different chips or modules separately, which improves design efficiency, reduces design cost and design difficulty.
- the radar system of the third embodiment of the present invention also includes a plurality of radar units, wherein the internal structure of each radar unit is the same as the radar unit shown in FIG. 1 and will not be repeated here.
- FIG. 7 shows a schematic block diagram of the second implementation structure of the radar system in FIG. 5.
- the radar system only shows three cascaded radar units.
- the embodiment of the present invention is not limited to this, and those skilled in the art can design a radar system including two or more radar units accordingly. It should also be noted that some modules in each radar unit are not shown.
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Abstract
Description
Claims (28)
- 一种雷达系统,包括多个雷达单元,每个所述雷达单元包括:至少一个射频通道,每个所述射频通道用于获得接收信号并根据接收信号产生模拟输入信号;处理模块,与所述至少一个射频通道相连;所述处理模块用于对所述模拟输入信号进行采样获得数字信号,并对所述数字信号执行第一数字信号处理过程以获得中间数据,其中,当所述多个雷达单元处于联合工作模式时,指定的所述雷达单元对所述多个雷达单元提供的多个所述中间数据集中执行第二数字信号处理过程,从而获得所述雷达系统的结果数据。
- 根据权利要求1所述的雷达系统,其特征在于,当所述雷达单元处于独立工作模式时,在该雷达单元内,所述处理模块对所述中间数据执行所述第二数字信号处理过程,从而获得该雷达单元的所述结果数据。
- 根据权利要求1所述的雷达系统,其特征在于,在每个所述雷达单元中,所述至少一个射频通道包括:至少一个接收天线,用于获得所述接收信号;以及前端模块,与所述至少一个天线相连,所述前端模块用于根据本振信号将所述接收信号转换成所述模拟输入信号,所述处理模块包括:模数转换器,用于根据采样时钟信号对所述模拟输入信号进行采样,从而获得相应的数字信号;以及雷达处理器,包括存储单元和第1至M个子处理单元,所述存储单元用于存储所述中间数据和所述结果数据中的至少一个,其中第1至k个子处理单元用于实现所述第一数据处理过程,第k+1至M个子处理单元用于实现所述第二数据处理过程,其中M为大于等于2的自然数,k为大于等于1且小于M的自然数。
- 根据权利要求3所述的雷达系统,其特征在于,所述至少一个射频通道还包括:至少一个发射天线,用于根据所述本振信号向外提供发射信号。
- 根据权利要求3所述的雷达系统,其特征在于,所述第1至M个子处理单元分别执行以下各个数据处理过程的至少部分过程:傅里叶变换、目标检测、角度检测和点云成像。
- 根据权利要求5所述的雷达系统,其特征在于,所述第一数据处理过程包括第一维傅里 叶变换、第二维傅里叶变换以及目标检测。
- 根据权利要求3所述的雷达系统,其特征在于,所述多个雷达单元包括一个主雷达单元和多个从雷达单元,当所述多个雷达单元处于联合工作模式时,所述主雷达单元产生所述本振信号和所述采样始终信号并提供给所述多个从雷达单元。
- 根据权利要求7所述的雷达系统,其特征在于,所述主雷达单元依次与所述多个从雷达单元级联。
- 根据权利要求8所述的雷达系统,其特征在于,级联在前的所述雷达单元分别将本级的中间数据对应的地址或其与前级雷达单元提供的地址合并之后的地址提供给下一级雷达单元,从而在最后一级所述雷达单元中获得最终地址,各个所述从雷达单元分别将其自身产生的所述中间数据直接地或者通过级联在前的所述从雷达单元传输至所述主雷达单元,所述主雷达单元作为所述指定的雷达单元生成所述结果数据。
- 根据权利要求8所述的雷达系统,其特征在于,级联在前的所述雷达单元分别将本级的中间数据对应的地址或其与前级雷达单元提供的地址合并之后的地址提供给下一级雷达单元,并将本级的中间数据和各个前级雷达单元的中间数据提供给下一级雷达单元,最后一级从雷达单元作为所述指定的雷达单元,用于根据前一级雷达单元提供的地址和各级雷达单元提供的中间数据生成最终的所述结果数据。
- 根据权利要求8所述的雷达系统,其特征在于,级联在前的所述雷达单元将本级的中间数据或本级的中间数据与前一级的中间数据合并之后的数据提供给下一级雷达单元,最后一级从雷达单元作为所述指定的雷达单元,用于根据前一级雷达单元提供的数据生成最终的所述结果数据。
- 根据权利要求1所述的雷达系统,其特征在于,每个所述雷达单元分别由独立的片上系统芯片实现。
- 根据权利要求1所述的雷达系统,其特征在于,每个所述雷达单元通过总线结构实现同步和数据交换。
- 根据权利要求13所述的雷达系统,其特征在于,所述总线结构设置于电路板上或芯片封装结构内。
- 根据权利要求1所述的雷达系统,其特征在于,所述多个雷达单元排布成阵列。
- 一种用于雷达系统的控制方法,所述雷达系统包括多个雷达单元,所述控制方法包括:每个所述雷达单元分别根据获得的接收信号产生模拟输入信号,并对所述模拟输入信号进行采样以获得相应的数字信号;每个所述雷达单元分别对其采样得到的所述数字信号执行第一数字信号处理过程,从而获得相应的中间数据;以及当所述多个雷达单元处于联合工作模式时,指定的所述雷达单元对所述多个雷达单元提供的多个所述中间数据集中执行第二数字信号处理过程,从而获得所述雷达系统的结果数据。
- 根据权利要求16所述的控制方法,其特征在于,所述控制方法还包括:当所述雷达单元处于独立工作模式时,该雷达单元对其产生的所述中间数据执行所述第二数字信号处理过程,从而获得该雷达单元的所述结果数据。
- 根据权利要求16所述的控制方法,其特征在于,每个所述雷达单元分别根据获得的接收信号产生模拟输入信号并对所述模拟输入信号进行采样以获得相应的数字信号的步骤包括:在每个所述雷达单元中,根据本振信号将所述接收信号转换成所述模拟输入信号;根据采样时钟信号对所述模拟输入信号进行采样,从而获得相应的所述数字信号。
- 根据权利要求18所述的控制方法,其特征在于,所述控制方法还包括:根据所述本振信号向外提供发射信号。
- 根据权利要求18所述的控制方法,其特征在于,每个所述雷达单元分别包括第1至M个子处理单元,其中,第1至k个子处理单元用于实现所述第一数据处理过程,第k+1至M个子处理单元用于实现所述第二数据处理过程,其中M为大于等于2的自然数,k为大于等于1且小于M的自然数。
- 根据权利要求20所述的控制方法,其特征在于,所述第1至M个子处理单元分别执行以下各个数据处理过程的至少部分过程:傅里叶变换、目标检测、角度检测和点云成像。
- 根据权利要求21所述的控制方法,其特征在于,所述第一数据处理过程包括第一维傅里叶变换、第二维傅里叶变换以及目标检测。
- 根据权利要求18所述的控制方法,其特征在于,所述多个雷达单元包括一个主雷达单元和多个从雷达单元,当所述多个雷达单元处于联合工作模式时,所述主雷达单元产生所述本振信号和所述采样始终信号并提供给所述多个从雷达单元。
- 根据权利要求23所述的控制方法,其特征在于,所述主雷达单元依次与所述多个从雷达单元级联。
- 根据权利要求24所述的控制方法,其特征在于,级联在前的所述雷达单元分别将本级的中间数据对应的地址或其与前级雷达单元提供的地址合并之后的地址提供给下一级雷达单元,从而在最后一级所述雷达单元中获得最终地址,各个所述从雷达单元分别将其自身产生的所述中间数据直接地或者通过级联在前的所述从雷达单元传输至所述主雷达单元,所述主雷达单元作为所述指定的雷达单元生成所述结果数据。
- 根据权利要求24所述的控制方法,其特征在于,级联在前的所述雷达单元分别将本级的中间数据对应的地址或其与前级雷达单元提供的地址合并之后的地址提供给下一级雷达单元,并将本级的中间数据和各个前级雷达单元的中间数据提供给下一级雷达单元,最后一级从雷达单元作为所述指定的雷达单元,用于根据前一级雷达单元提供的地址和各级雷达单元提供的中间数据生成最终的所述结果数据。
- 根据权利要求24所述的控制方法,其特征在于,级联在前的所述雷达单元将本级的中间数据或本级的中间数据与前一级的中间数据合并之后的数据提供给下一级雷达单元,最后一级从雷达单元作为所述指定的雷达单元,用于根据前一级雷达单元提供的数据生成最终的所述结果数据。
- 根据权利要求16所述的控制方法,其特征在于,每个所述雷达单元通过总线结构实现同步和数据交换。
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KR1020217003743A KR102495088B1 (ko) | 2018-11-29 | 2019-06-17 | 레이더 시스템 및 이의 제어 방법 |
US17/297,406 US20220146661A1 (en) | 2018-11-29 | 2019-06-17 | Radar system and control method therefor |
EP19891498.8A EP3889636A4 (en) | 2018-11-29 | 2019-06-17 | RADAR SYSTEM AND CONTROL METHOD THEREOF |
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CN116893410A (zh) * | 2018-11-29 | 2023-10-17 | 加特兰微电子科技(上海)有限公司 | 雷达系统及其控制方法 |
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EP3968054A4 (en) * | 2019-06-20 | 2022-05-11 | Huawei Technologies Co., Ltd. | RADAR SYSTEM |
CN113009432B (zh) * | 2020-02-28 | 2024-05-31 | 加特兰微电子科技(上海)有限公司 | 提高测量精度、提高目标探测精度的方法、装置及设备 |
CN113109779B (zh) * | 2020-02-28 | 2024-03-22 | 加特兰微电子科技(上海)有限公司 | 提升目标探测精度的方法、集成电路、无线电器件及电子设备 |
CN113325362A (zh) * | 2020-02-28 | 2021-08-31 | 加特兰微电子科技(上海)有限公司 | 确定波达方向的方法、装置及设备 |
CN113325405A (zh) * | 2020-02-28 | 2021-08-31 | 加特兰微电子科技(上海)有限公司 | 恒虚警目标检测方法、装置、集成电路、传感器及设备 |
CN112181896B (zh) * | 2020-09-25 | 2024-03-29 | 加特兰微电子科技(上海)有限公司 | 运行控制设备、集成电路、无线电器件以及设备 |
CN112649801A (zh) * | 2020-12-10 | 2021-04-13 | 北京工业大学 | 一种毫米波多天线距离测量系统 |
CN113050044B (zh) * | 2021-04-27 | 2023-09-01 | 广州极飞科技股份有限公司 | 雷达系统及电子设备 |
WO2024005803A1 (en) * | 2022-06-29 | 2024-01-04 | Intel Corporation | Radar apparatus, system, and method |
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JP7466216B2 (ja) | 2024-04-12 |
KR102495088B1 (ko) | 2023-02-06 |
CN116893410A (zh) | 2023-10-17 |
EP3889636A4 (en) | 2022-09-07 |
CN116908838A (zh) | 2023-10-20 |
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