Echolocating bats possess remarkable capability of multitarget spatial localization and micromotion sensing in a full field of view(FFOV)even in cluttered environments.Artificial technologies with such capability are ...Echolocating bats possess remarkable capability of multitarget spatial localization and micromotion sensing in a full field of view(FFOV)even in cluttered environments.Artificial technologies with such capability are highly desirable for various fields.However,current techniques such as visual sensing and laser scanning suffer from numerous fundamental problems.Here,we develop a bioinspired concept of millimeter-wave(mmWave)full-field micromotion sensing,creating a unique mmWave Bat(“mmWBat”),which can map and quantify tiny motions spanning macroscopic toμm length scales of full-field targets simultaneously and accurately.In mmWBat,we show that the micromotions can be measured via the interferometric phase evolution tracking from range-angle joint dimension,integrating with full-field localization and tricky clutter elimination.With our approach,we demonstrate the capacity to solve challenges in three disparate applications:multiperson vital sign monitoring,full-field mechanical vibration measurement,and multiple sound source localization and reconstruction(radiofrequency microphone).Our work could potentially revolutionize full-field micromotion monitoring in a wide spectrum of applications,while may inspiring novel biomimetic wireless sensing systems.展开更多
Echolocating bats possess remarkable capability of multitarget spatial localization and micromotion sensing in a full field of view(FFOV)even in cluttered environments.Artificial technologies with such capability are ...Echolocating bats possess remarkable capability of multitarget spatial localization and micromotion sensing in a full field of view(FFOV)even in cluttered environments.Artificial technologies with such capability are highly desirable for various fields.However,current techniques such as visual sensing and laser scanning suffer from numerous fundamental problems.Here,we develop a bioinspired concept of millimeter-wave(mmWave)full-field micromotion sensing,creating a unique mmWave Bat(“mmWBat”),which can map and quantify tiny motions spanning macroscopic toμm length scales of full-field targets simultaneously and accurately.In mmWBat,we show that the micromotions can be measured via the interferometric phase evolution tracking from range-angle joint dimension,integrating with full-field localization and tricky clutter elimination.With our approach,we demonstrate the capacity to solve challenges in three disparate applications:multiperson vital sign monitoring,full-field mechanical vibration measurement,and multiple sound source localization and reconstruction(radiofrequency microphone).Our work could potentially revolutionize full-field micromotion monitoring in a wide spectrum of applications,while may inspiring novel biomimetic wireless sensing systems.展开更多
基金the National Natural Science Foundation of China(Grant No.51905341 and Grant No.11632011)the China Postdoctoral Science Foundation(Grant No.2019M651488)。
文摘Echolocating bats possess remarkable capability of multitarget spatial localization and micromotion sensing in a full field of view(FFOV)even in cluttered environments.Artificial technologies with such capability are highly desirable for various fields.However,current techniques such as visual sensing and laser scanning suffer from numerous fundamental problems.Here,we develop a bioinspired concept of millimeter-wave(mmWave)full-field micromotion sensing,creating a unique mmWave Bat(“mmWBat”),which can map and quantify tiny motions spanning macroscopic toμm length scales of full-field targets simultaneously and accurately.In mmWBat,we show that the micromotions can be measured via the interferometric phase evolution tracking from range-angle joint dimension,integrating with full-field localization and tricky clutter elimination.With our approach,we demonstrate the capacity to solve challenges in three disparate applications:multiperson vital sign monitoring,full-field mechanical vibration measurement,and multiple sound source localization and reconstruction(radiofrequency microphone).Our work could potentially revolutionize full-field micromotion monitoring in a wide spectrum of applications,while may inspiring novel biomimetic wireless sensing systems.
基金supported by the National Natural Science Foundation of China(Grant No.51905341 and Grant No.11632011)the China Postdoctoral Science Foundation(Grant No.2019M651488).
文摘Echolocating bats possess remarkable capability of multitarget spatial localization and micromotion sensing in a full field of view(FFOV)even in cluttered environments.Artificial technologies with such capability are highly desirable for various fields.However,current techniques such as visual sensing and laser scanning suffer from numerous fundamental problems.Here,we develop a bioinspired concept of millimeter-wave(mmWave)full-field micromotion sensing,creating a unique mmWave Bat(“mmWBat”),which can map and quantify tiny motions spanning macroscopic toμm length scales of full-field targets simultaneously and accurately.In mmWBat,we show that the micromotions can be measured via the interferometric phase evolution tracking from range-angle joint dimension,integrating with full-field localization and tricky clutter elimination.With our approach,we demonstrate the capacity to solve challenges in three disparate applications:multiperson vital sign monitoring,full-field mechanical vibration measurement,and multiple sound source localization and reconstruction(radiofrequency microphone).Our work could potentially revolutionize full-field micromotion monitoring in a wide spectrum of applications,while may inspiring novel biomimetic wireless sensing systems.
