Movement detection

Movement-detection devices are designed to detect the movement of an intmder in the interior of the building ... 

Passive movement detection senses radiated heat, such as that from a human body. These units are also sensitive to heat emitted by radiator, convection heaters and direct sunlight, so careful siting is required. 

Earth movement detection system, with fiber-optic smart structures, 11 158-159... 

Data analysis. We use a combination of two movement detection algorithms (23) written in Madab environment (The MathWorks, Inc.) to accurately track movement of the heart edges see Note 10). Measurements of diastolic and systolic diameters as well as diastolic and systolic intervals, % fractional shortening (% PS), arrhythmicity index, and contraction direction and velocity are obtained as output from this analysis program. Heart rate is calculated as the inverse of the heart period where one period corresponds to a single diastolic interval plus subsequent systolic interval. % FS is quantified based on diameter measurements and is calculated as ((diastolic diameter-systolic diameter)/diastolic diameter) x 100 (%). Heart beat rhythmicity is quantified based on the standard deviation of the mean heart period normalized to the median heart period for each fly providing a dimensionless arrhythmicity index. 

R.S.G.M. Bots, J.G. Nijhuis, C.B. Martin and H.F.R. Prechtl, Human fetal eye movements Detection in utero by ultrasonography, Early Human Develop., 5 (1981) 87-94. 

Position can be detected by optical or other encoders that generate pulses in proportion to the amount of movement detected. Encoders can provide incremental or absolute readings. An incremental encoder outputs a number of pulses corresponding to the amount of motion. There are usually two outputs, called A and B, that are separated in time by 90° to indicate the direction of travel. This is shown in Figure 3.156. 

Murray I, MacCana F, Kulikowski JJ. 1983. Contribution of two movement detecting mechanisms to central and peripheral vision. Vision Res 23 151-159. 

Are the helical movements detected by the spin labels functionally important If so, a molecular cross-link between the helix in question and an adjacent helix that does not move or moves in a different direction should block activation of transducin. To implement this strategy to identify functionally relevant helix motions, two different kinds of interhelical cross-links have been employed. In the first, helices are cross-linked by spontaneous or catalyzed disulfide formation between two cysteines, one engineered in each helix. In the second, cross-links are introduced by binding of Zn2+ to engineered histidine ligands, one in each helix (Elling et al., 1995). 

Figure 2. A schanatic trace of the stick-slip movement detected in regions A and B (Figure lb) shewn as frictional force or displacement against lapsed time. The point A (Figure lb) is the origin of this trace and the region BB is normally the stick phase and B B" the slip phase. The quantities F and t respectively the static friction and period.

Mesbah, M., et al., 2011. Accelerometer-based fetal movement detection. In IEEE Engineering in Medicine and Biology Society, pp. 7877—7880. Available at http //www.ncbi.nlm.nih. gov/pubmed/22256166. 

Fronts of concentrations of 0.03, 0.06, and 0.15% (AIBN to MMA) were run at the temperatures ranges of 42 to 47,47 to 52 and 66 to 68 C. The ranges were a result of temperature fluctuations due to the type of thermostat used. Three samples at each set of conditions were run to determine an average and standard deviation. To ensure that the fronts were initiated by the polymeric seed, controls were run that did not contain seeds. To ensure that the gradient movement detected was not solely seed dissolution, controls using seeds and solutions of 4.0% TEMPO, a free-radical scavenger used as an inhibitor, in... 

The third type of movement detection is electrical. These control interfaces sense bioelectric signals. Switches of this type require no force, and a common example of this type of interface is capacitive switches used on some elevator buttons. Bioelectrical switches detect muscle electrical activity (EMGs) or eye movement (EOG) by attaching electrodes to the skin. 

Also, proprioception of ACL-deficient knees was measured in 20 subjects and compared with 17 age-matched control subjects by Corrigan et al. [41]. They found diminished position sense and threshold for movement detection in the injured... 

Biokinetic sensors measure acceleration and angular rate of rotation derived from human movement. For certain kinetic movement detection, sensors are based on strain gauges, accelerometers, and global positioning system (GPS). Ambient sensors measure environmental phenomena, such as humidity, light, sound pressure level, and temperature. 

Real-time local body movement detection to ensure noncontact synchronization of scanning with breathing. 

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