Browsing by Title
Now showing items 1-20 of 109244
-
0 + 0 = 1 : the appliance model of selling software bundled with hardware
(Massachusetts Institute of Technology, 2007)The business model of selling software bundled with hardware is called the appliance model. As hardware becomes less and less expensive and open source software is being offered for free, the traditional business model of ... -
0-1 graph partitioning and image segmentation
(Massachusetts Institute of Technology, 2008)Graph partitioning is the grouping of all the nodes in a graph into two or more partitions based on certain criteria. Graph cut techniques are used to partition a graph. The Minimum Cut method gives imbalanced partitions. ... -
A 0.077 to 0.168 nJ/bit/iteration Scalable 3GPP LTE Turbo Decoder with an Adaptive Sub-Block Parallel Scheme and an Embedded DVFS Engine
(Institute of Electrical and Electronics Engineers (IEEE), 2010-09)3GPP LTE requires a 100 Mbps of peak bandwidth, and the instantaneous throughput demand changes with different applications. Fixed sub-block parallel turbo decoding scheme introduces bit-error rate (BER) performance drop ... -
A 0.13[mu]m CMOS 78dB SNDR 87mW 20MHz BW CT [Delta Sigma] ADC with VCO-based integrator and quantizer
(Institute of Electrical and Electronics Engineers, 2009-05)In this paper we demonstrate a new technique that eliminates the impact of K[subscript v] nonlinearity by preserving the integral relationship of the VCO output phase to the input signal. Leveraging the VCO output phase ... -
A 0.16mm2 completely on-chip switched-capacitor DC-DC converter using digital capacitance modulation for LDO replacement in 45nm CMOS
(Institute of Electrical and Electronic Engineers, 2010-02)A completely on-chip switched-capacitor DC-DC converter that occupies 0.16 mm2 [mm superscript 2] is implemented in a 45 nm CMOS process. The converter delivers 8 mA output current while maintaining load voltages from 0.8 ... -
0.3V biopotential sensor interface for stress monitoring
(Massachusetts Institute of Technology, 2016)Miniaturized sensor nodes have a very tight power budget, especially in the case of implantables and health monitoring devices that require long operation lifetime. Exploiting low-voltage techniques in analog design can ... -
A 0.68V 0.68mW 2.4GHz PLL for ultra-low power RF systems
(Institute of Electrical and Electronics Engineers (IEEE), 2015-05)A 2.4GHz PLL consuming 0.68mW has been implemented in 65nm LPCMOS for use in ultra-low power Bluetooth Low Energy (BLE) applications. VCO, charge pump and dynamic flip-flop design optimization allow low voltage operation ... -
A 0.6V 2.9µW mixed-signal front-end for ECG monitoring
(Institute of Electrical and Electronics Engineers (IEEE), 2012-06)This paper presents a mixed-signal ECG front-end that uses aggressive voltage scaling to maximize power-efficiency and facilitate integration with low-voltage DSPs. 50/60Hz interference is canceled using mixed-signal ... -
A 0.6V, 8mW 3D Vision Processor for a Navigation Device for the Visually Impaired
(Institute of Electrical and Electronics Engineers (IEEE), 2016-01)This paper presents an energy-efficient computer vision processor for a navigation device for the visually impaired. Utilizing a shared parallel datapath, out-of-order processing and co-optimization with hardware-oriented ... -
A 0.7-V 1.8-mW H.264/AVC 720p Video Decoder
(Institute of Electrical and Electronics Engineers, 2009-10)The H.264/AVC video coding standard can deliver high compression efficiency at a cost of increased complexity and power. The increasing popularity of video capture and playback on portable devices requires that the power ... -
1 ghz femtosecond erbium-doped fiber lasers
(Optical Society of America, 2010-05)Saturable Bragg reflector (SBR) mode-locked Er-doped fiber lasers around 1550nm with a repetition rate of 1GHz are demonstrated. Key steps to obtain stable, femtosecond pulses by avoiding thermal damage of the SBR are ... -
The 1,000 dollar home : a scalable business model to build disaster relief dwellings and upgrade slums
(Massachusetts Institute of Technology, 2006)This thesis proposes a new model for the private markets to build disaster relief dwellings or to upgrade degraded neighborhoods of very low income communities. The study offers a way to empower the dwellers of very poor ... -
1,3-Butadiene-Induced Adenine DNA Adducts Are Genotoxic but Only Weakly Mutagenic When Replicated in Escherichia Coli of Various Repair and Replication Backgrounds
(American Chemical Society (ACS), 2017-05)The adverse effects of the human carcinogen 1,3-butadiene (BD) are believed to be mediated by its DNA-reactive metabolites such as 3,4-epoxybut-1-ene (EB) and 1,2,3,4-diepoxybutane (DEB). The specific DNA adducts responsible ... -
1-D P- and S-wave velocity models for the collision zone between the northern Tianshan mountain and the Junggar basin based on local earthquake data
(Seismological Society of China, 2012-12)We have developed crustal minimum 1-D P- and S-wave velocity models of the collision zone between the northern Tianshan mountain and the Junggar basin (86°E–89°E, 43°N–44.5°N). These two models were created through inversion ... -
A 1-D Space, 2-D Velocity, Kinetic Neutral Transport Algorithm
(MIT Plasma Science and Fusion Center, 2015-01-21) -
1-D Transforms for the Motion Compensation Residual
(Institute of Electrical and Electronics Engineers (IEEE), 2011-03)Transforms used in image coding are also commonly used to compress prediction residuals in video coding. Prediction residuals have different spatial characteristics from images, and it is useful to develop transforms that ... -
The 1-dimensional [lambda]-self shrinkers in R² and the nodal sets of biharmonic Steklov problems
(Massachusetts Institute of Technology, 2016)This thesis contains two of my projects. Chapter 1 and 2 describe the behavior of 1-dimensional [lambda]-self shrinkers, which are also known as [lambda]-curves in other literature. Chapter 3 and 4 focus on the estimation ... -
A 1-mW vibration energy harvesting system for moth flight-control applications
(Massachusetts Institute of Technology, 2010)This thesis focuses on the approach and methodologies required to build a 1-mW energy-harvesting system for moth flight control applications. The crepuscular hawk moth Manduca sexta is the chosen test subject. This project ... -
1.00 / 1.001 Introduction to Computers and Engineering Problem Solving, Fall 2005
(2005-12)This course teaches fundamental software development and computational methods for engineering, scientific and managerial applications. Emphasis is focused on object-oriented software design and development. Assignments ...
