Essays about: "vital signal"

Showing result 1 - 5 of 79 essays containing the words vital signal.

1. 1. Heart rate estimation from wrist-PPG signals in activity by deep learning methods

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Marie-Ange Stefanos; [2023]
   Keywords : Deep Learning; Medical Data; Signal Processing; Heart Rate Estimation; Wrist Photoplethysmography; Djup lärning; Medicinska Data; Signalbehandling; Pulsuppskattning; Handledsfotopletysmograf;

   Abstract : In the context of health improving, the measurement of vital parameters such as heart rate (HR) can provide solutions for health monitoring, prevention and screening for certain chronic diseases. Among the different technologies for HR measuring, photoplethysmography (PPG) technique embedded in smart watches is the most commonly used in the field of consumer electronics since it is comfortable and does not require any user intervention. READ MORE

3. 2. Evaluation and Optimization of LTE-V2X Mode 4 under Aperiodic Messages of Variable Size

   University essay from Lunds universitet/Institutionen för elektro- och informationsteknik

   Author : Md Mamunur Rashid; [2023]
   Keywords : LTE-V2X; aperiodic; variable size; CAM; Technology and Engineering;

   Abstract : Vehicular networks connect vehicles for improved road safety and efficiency with the assistance of wireless information exchange. Vehicular networks are based on the frequent broadcast of awareness messages referred to as CAM (Cooperative Awareness Messages) or BSM (Basic Safety Message) in the ETSI and SAE standards, respectively. READ MORE

4. 3. Impact Private Equity - The Importance of Performance Measurement to Signal Legitimacy and Avoid Mission Drift in Emerging Funds

   University essay from Handelshögskolan i Stockholm/Institutionen för redovisning och finansiering

   Author : Emil Ståhl; Sofia Ehrenstråhle; [2023]
   Keywords : performance measurement systems; impact private equity; hybrid organizations; institutional theory; structural differentiation;

   Abstract : This paper elaborates on the research of performance measurement systems in the private equity field. By conducting a qualitative single-case study of an impact investment firm, this paper investigates the limitedly researched field of what role performance measurement systems play for emerging hybrid organizations, operating in a setting where the financial logic is inherently strong. READ MORE

5. 4. Predicting the Movement of the S&P 500 Index using Machine Learning

   University essay from Lunds universitet/Nationalekonomiska institutionen; Lunds universitet/Statistiska institutionen

   Author : Bakary Bah; [2023]
   Keywords : Machine Learning; S P 500 Index; Random Forest; Logistic Regression; Business and Economics;

   Abstract : Predicting the stock market has been a longstanding topic of interest in financial research. It is regarded as a highly challenging but important task given the vital role the financial markets play in shaping the global economies. In this thesis, the goal is to predict the movement of the S&P 500 Index using machine learning methods. READ MORE

6. 5. Simulation and Testing of a MU-MIMO Beamforming System

   University essay from Lunds universitet/Institutionen för elektro- och informationsteknik

   Author : Nazyar Mehdishishavan; Zonghan Wang; [2023]
   Keywords : Multi-User Multiple-Input Multiple-Output MU-MIMO ; Beamforming; Sounding Reference Signal SRS ; Reciprocity-based; Butler matrix; Advanced Antenna System AAS ; Technology and Engineering;

   Abstract : Multi-User Multiple-Input Multiple-Output (MU-MIMO) technology has become increasingly important in the field of wireless communication due to its ability to highly increase the capacity and efficiency of wireless networks [1]. Beamforming, as a technique used in MU-MIMO systems, improves network performance by improving signal quality and reducing interference. READ MORE