(a.) The act of squaring; the finding of a square having the same area as some given curvilinear figure; as, the quadrature of a circle; the operation of finding an expression for the area of a figure bounded wholly or in part by a curved line, as by a curve, two ordinates, and the axis of abscissas.
(a.) A quadrate; a square.
(a.) The integral used in obtaining the area bounded by a curve; hence, the definite integral of the product of any function of one variable into the differential of that variable.
(a.) The position of one heavenly body in respect to another when distant from it 90¡, or a quarter of a circle, as the moon when at an equal distance from the points of conjunction and opposition.
Example Sentences:
(1) 220 MHz proton Fourier transform (FT) NMR with quadrature phase detection (QPD) technique is applied to observe largely hyperfine-shifted signals of various hemoproteins and hemoenzymes in ferric high-spin state.
(2) The recorded Doppler quadrature signals were processed by spectral analysis.
(3) A special circuit utilizing two electrodes and three leads permits reduction of the unwanted quadrature signal to zero.
(4) In many conditions, dmax exceeded half a cycle of f1, a result that appears to contradict predictions from quadrature models of motion detection.
(5) The class of Newton-Côtes numerical quadrature procedures is examined from the perspective of minimizing mean squared error (MSE).
(6) Interactions of long-wave L cone and S cone signals in direction-selective mechanisms were measured with an orange counterphase grating and a violet counterphase test, both flickering at the same rate and presented in spatial quadrature phase on the yellowish adapting field.
(7) A pulsed Doppler cardiotocograph module was extended to obtain low frequency Doppler signals, by the addition of a 90 degree phase shifter, analog multipliers, quadrature detector, sample and hold circuits and low pass filters, to produce five simultaneous outputs representing movement at depths separated by 1.5cm intervals.
(8) A frequency band decomposition of an ECG waveform is carried out by means of quadrature mirror filters (QMF), which split the ECG spectrum into six bands of unequal width.
(9) The apparatus consists of an array of focused acoustic transducers, a fluid jet to position the particles, and electronics incorporating quadrature detection.
(10) It has been recently demonstrated that some primary otolith afferents and most otolith-related vestibular nuclei neurons encode two spatial dimensions that can be described by two vectors in temporal and spatial quadrature.
(11) We propose a model which incorporates these new results and provides a parsimonious explanation for the construction of both quadrature phase and anti-phase pairs.
(12) Predictions of the quadrature model are derived for both two-frame and multiframe displays.
(13) Oscillatory motion can be decomposed into the sum of a modulating counterphase grating and a static masking grating, both of which are in spatial quadrature (i.e., 90 degrees out of phase).
(14) are in temporal quadrature) at low temporal frequencies, but their phase difference increases to a half-cycle by about 4 Hz.
(15) To determine the existence of tissue heating-associated risks to the eye with magnetic resonance (MR) imaging performed at high specific absorption rates (SARs), corneal temperature was measured in 14 patients immediately before and after MR imaging performed with a 1.5-T, 64-MHz unit and a quadrature-driven body coil for radio-frequency transmission and a receive-only local coil designed for eye imaging.
(16) A simulation for Doppler ultrasound quadrature signals from pulsatile, nonuniform flow is presented.
(17) The hexagonal orthogonal-oriented quadrature pyramid (HOP) transform, which operates on a hexagonal input lattice, employs basis functions that are orthogonal, self-similar, and localized in space, spatial frequency, orientation, and phase.
(18) The demonstration of compelling dichoptic illusions of motion using a variety of stimuli, all of which share the property that left and right eye patterns were spatio-temporal quadrature pairs, has been interpreted as evidence for binocular integration in the early motion system (short range motion).
(19) Blood flow velocity was measured in the dog aorta distal to mechanically induced constrictions of various degrees of severity employing an 8-MHz pulsed Doppler ultrasound velocimeter and a phase-lock loop frequency tracking method for extracting velocity from the Doppler quadrature signals.
(20) Results show that the simulation model generates realistic quadrature signals.
Square
Definition:
(n.) The corner, or angle, of a figure.
(n.) A parallelogram having four equal sides and four right angles.
(n.) Hence, anything which is square, or nearly so
(n.) A square piece or fragment.
(n.) A pane of glass.
(n.) A certain number of lines, forming a portion of a column, nearly square; -- used chiefly in reckoning the prices of advertisements in newspapers.
(n.) One hundred superficial feet.
(n.) An area of four sides, generally with houses on each side; sometimes, a solid block of houses; also, an open place or area for public use, as at the meeting or intersection of two or more streets.
(n.) An instrument having at least one right angle and two or more straight edges, used to lay out or test square work. It is of several forms, as the T square, the carpenter's square, the try-square., etc.
(n.) Hence, a pattern or rule.
(n.) The product of a number or quantity multiplied by itself; thus, 64 is the square of 8, for 8 / 8 = 64; the square of a + b is a2 + 2ab + b2.
(n.) Exact proportion; justness of workmanship and conduct; regularity; rule.
(n.) A body of troops formed in a square, esp. one formed to resist a charge of cavalry; a squadron.
(n.) Fig.: The relation of harmony, or exact agreement; equality; level.
(n.) The position of planets distant ninety degrees from each other; a quadrate.
(n.) The act of squaring, or quarreling; a quarrel.
(n.) The front of a woman's dress over the bosom, usually worked or embroidered.
(a.) Having four equal sides and four right angles; as, a square figure.
(a.) Forming a right angle; as, a square corner.
(a.) Having a shape broad for the height, with rectilineal and angular rather than curving outlines; as, a man of a square frame.
(a.) Exactly suitable or correspondent; true; just.
(a.) Rendering equal justice; exact; fair; honest, as square dealing.
(a.) Even; leaving no balance; as, to make or leave the accounts square.
(a.) Leaving nothing; hearty; vigorous.
(a.) At right angles with the mast or the keel, and parallel to the horizon; -- said of the yards of a square-rigged vessel when they are so braced.
(n.) To form with four sides and four right angles.
(n.) To form with right angles and straight lines, or flat surfaces; as, to square mason's work.
(n.) To compare with, or reduce to, any given measure or standard.
(n.) To adjust; to regulate; to mold; to shape; to fit; as, to square our actions by the opinions of others.
(n.) To make even, so as leave no remainder of difference; to balance; as, to square accounts.
(n.) To multiply by itself; as, to square a number or a quantity.
(n.) To hold a quartile position respecting.
(n.) To place at right angles with the keel; as, to square the yards.
(v. i.) To accord or agree exactly; to be consistent with; to conform or agree; to suit; to fit.
(v. i.) To go to opposite sides; to take an attitude of offense or defense, or of defiance; to quarrel.
(v. i.) To take a boxing attitude; -- often with up, sometimes with off.
Example Sentences:
(1) The compressive strength of bone is proportional to the square of the apparent density and to the strain rate raised to the 0.06 power.
(2) Former lawmaker and historian Faraj Najm said the ruling resets Libya “back to square one” and that the choice now faced by the Tobruk-based parliament is “between bad and worse”.
(3) Paired tolbutamide and glucose infusions using a square wave technique demonstrated that although early phase insulin secretion is dimished in the fetus, this is not due to an absolute deficiency of stored insulin.
(4) The summary statistics examined are (a) the slope of the least-squares regression of the marker, (b) the average of the last r measurements, and (c) the difference between the averages of the last r and the first s measurements.
(5) High concordance was observed between a positive test and relapse during the period of study (chi-square = 27.53, P less than 0.001).
(6) At 1 month the rate of production of 6-keto-PGF1 alpha per square millimeter of surface area of experimental segments was normal.
(7) In this paper we propose an alternative approach, based on a simple adjustment of the standard Pearson chi-square test for the equality of proportions.
(8) After restrained least-squares refinement of the enzyme-substrate complex with the riboflavin omitted from the model, additional electron density appeared near the pyrophosphate, which indicated the presence of an ADPR molecule in the FAD binding site of PHBH.
(9) Similarly, while those in the City continue to adopt a Millwall FC-style attitude of "no one likes us, we don't care", there is no incentive for them to heed the advice and demands of the public, who those in the Square Mile prefer to dismiss as intemperate ignoramuses.
(10) The feasibility of estimating these parameters, demonstrated by the present study, suggests that a recursive least squares estimation procedure could be used to recover the time variation of each parameter during exercise stress testing of subjects with normal or nearly normal gas exchange.
(11) Concentrations of DLIS were detectable in significantly more (58.3%) of the 12 CHF patients (group A) who were not receiving digoxin than in the 22 normal volunteers tested (13.6%) (P less than 0.05 by both chi-square and Fisher's exact test).
(12) According to the duration of filtered QRS (fQRS), to the voltage of root mean square of the terminal 40 ms (RMS 40) and to the duration of low amplitude terminal components of the sinus cycles, ventricular late potentials were detected in nine out of 29 subjects.
(13) In a BBC Radio 4 performance that attempts to underline his status as a normal bloke – although he admits he was too "square" to attract a girlfriend at university – Miliband's luxury item is a weekly chicken tikka masala from his local north London Indian takeaway.
(14) The overall median density was 123 cells per field, which corresponds to 6,950 cells per square mm.
(15) The structure of Mn(III) superoxide dismutase (Mn(III)SOD) from Thermus thermophilus, a tetramer of chains 203 residues in length, has been refined by restrained least-squares methods.
(16) SSR was evoked by square wave electric stimulation through a pair of surface electrodes placed on the unilateral forearm.
(17) After excluding isonymous matings the chi-square values for unique and nonunique surname pairs remained significant for both religious groups.
(18) Over the past year, under the rule of Abdel Fatah al-Sisi , security forces have ousted street sellers from the core of the city centre and prominent locations such as Ramses Square, home to Cairo’s main train terminal.
(19) The ideal body weight (kg) of each individual can be calculated by the following formula: ideal body mass index x the height (m)2, since body mass index is expressed by the body weight in kilogram divided by the height squared in meters.
(20) By comparison in the Netherlands, where there is a better technical training provision, every secondary school is built with an additional 650 square metres of non-academic training space; an investment of more than £1.5m per school.” The Association of School and College Leaders criticised the absence of more funding for students studying for A-levels.