Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 13 of 13 for “"wireless data transmission"”.
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A reconfigurable high speed analog to digital converter architecture for ultra wideband devices
… where wires still dominate high speed low power data communication, Ultra Wideband (UWB) medium has the potential to revolutionise wireless data transmission and reception. A core component of any communications device is its ability to convert real time analog signals to discrete values for fast …
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MULTI-CHANNEL CDMA-LIKE CAPACITIVE SENSOR INTERFACE CIRCUITS
… low-cost sensor interface circuits and efficient wireless connections. This thesis introduces a CDMA-like period modulation multi-capacitive-sensor interface circuit, which targets at the IoT applications. The proposed architecture can simultaneously read in 16 capacitive sensors and provide the …
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Strain sensor array using printed single crystalline silicon on plastic substrate
… Colpitts oscillator that has the potential of wireless data transmission between sensor and data acquisition unit. In general, a metal strain gauge has high flexibility with low sensitivity, whereas the semiconductor strain gauge has high sensitivity with low flexibility. Devices using thin …
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EKG ir EEG biopotencialų registravimas ir perdavimas bevieliu ryšiu /
A wireless and customizable biopotential measurement device is a desired tool for laboratory research on biological signals with animals. In this work, a device is being developed for measuring ECG and EEG signals. The device needs to be sufficiently high-speed and sensitive, but also lightweight …
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Orthogonal space time coding for IM/DD optical wireless communication with single carrier frequency domain equalization
Recently the development of optical wireless communication has received growing attention because of its unlimited bandwidth and simple implementation as compared to radio frequency communication application for indoor wireless data transmission. The objective of this thesis is to improve the …
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Wireless sensor data transfer using bluetooth technology
… language. This application will collect sensor data (4-20mA signals as the standard analog inputs and 0-5V as the digital inputs) from the serial port of the Etrax100LX developer board, save them to a file on the developer board and make this data available for remote access. The idea behind …
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Optimization of Thermoelectric Generators to Power Monitoring Platforms of SNF Canister Internal Conditions: Numerical Simulations
… of the current research is to develop a wireless self-powered platform for monitoring the internal conditions of a wide variety of canister designs. The sensors and wireless data transmission systems will be powered using Thermoelectric Generators(TEGs) that harvest thermal energy from …
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From e-commerce to m-commerce : a new competitive environment for wireless vendors
… their acts of desperation as the Web goes wireless. Today, mobile phones have become ubiquitous tools for many businesses allowing employees, customers, and suppliers to stay better connected. However, wireless voice is only the beginning. As wireless data transmission becomes possible, the …
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High Capacity VCSEL Array Based Optical Wireless Links
The development of new high-speed wireless data transmission applications, such as high-definition video streaming, virtual reality, and the Internet of Things, increases the future demand for mobile data traffic capacity. However, the limited RF spectrum is not sufficient to meet this demand. …
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The design and optimization of cooperative mobile edge
… standalone mobile computing units with multiple wireless network interfaces. At the network end, various facilities are also pushed to the mobile edge to foster internet connections. Distributed small scale cloud resources and green energy harvesters can be directly attached to the deployed …
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Exploitation of Modes in Circular Antenna Arrays
… of modes that can be used for encoding parallel data for transmission on MMCA. A novel technique of extracting the encoded data by receiver data pattern capture was presented. The enhanced Bit-Error-Rate (BER) results of MMCA spatially encoded data were demonstrated. Further improvement of …
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Attributes and their potential to analyze and interpret 3D GPR data
… of oil and gas related reflection seismic data sets has experienced significant advances. Considering the sensitivity of attribute analysis with respect to data positioning in general, and multi-trace attributes in particular, trace positioning accuracy is of major importance for the …
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Revize a další vývoj kyberfyzikálního měřicího systému pro nástrojová sklíčidla
Během obrábění se nástroj zahřívá a v důsledku toho se mění jeho geometrie. Za účelem měření teploty během frézování byl vyvinut sensorický upínač nástrojů. V rámci této bakalářské práce byl tento upínač nástrojů přepracován. Funkce byla rozšířena o měření zrychlení, aby bylo možné měřit vibrace …