Biomedical Signals

  • Nilanjan Dey
  • Amira S. Ashour
  • Waleed S. Mohamed
  • Nhu Gia Nguyen
Part of the SpringerBriefs in Speech Technology book series (BRIEFSSPEECHTECH)


In our daily life, sensors are corporate in several devices and applications for a better life. Such sensors as the tactile sensors are included in the touch screens and the computers’ touch pads. The input of these sensors is from the environment that converted into an electrical signal for further processing in the sensor system. The sensor’s main role is to measure a specific quantity and create a signal for interpretation. The human bodies continuously communicate health information that reflects the status of the body organs and the overall health information. Such information is typically captured by physical devices that measure different types of information, such as measuring the brain activity, blood glucose, blood pressure, heart rate, nerve conduction, and so forth. According to these measurements, physicians decide the diagnosis and treatment decisions. Engineers are realizing new acquiring devices to measure noninvasively the different types of signals for further analysis using mathematical algorithms and formulae. This chapter includes classifications of the biosignals based on several principles. In addition, the different biosensors are highlighted including the role of the biopotential amplifier stage within the sensor system. Finally, the biomedical signal acquisition and processing phases are also included.


Carotid pulse signal Electrocardiogram signal Electroencephalogram signal Phonocardiogram signal Chemical biosignal Optical biosignal Magnetic biosignal Electric biosignal Acoustic biosignal Bioimpedance signals Biomedical sensors Biopotential amplifier 


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Copyright information

© The Author(s), under exclusive licence to Springer International Publishing AG, part of Springer Nature 2019

Authors and Affiliations

  • Nilanjan Dey
    • 1
  • Amira S. Ashour
    • 2
  • Waleed S. Mohamed
    • 3
  • Nhu Gia Nguyen
    • 4
  1. 1.Department of Information TechnologyTechno India College of TechnologyKolkataIndia
  2. 2.Department of Electronics and Electrical Communications EngineeringFaculty of Engineering, Tanta UniversityTantaEgypt
  3. 3.Department of Internal MedicineFaculty of Medicine, Tanta UniversityTantaEgypt
  4. 4.Graduate SchoolDuy Tan UniversityDa Nang CityVietnam

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