quadrature造句
31) Super quiescent state problem of anti running device can be solved by applying 3 bend quadrature equation and elementary parameter equation.
32) As a result, a 1.08GHz, low phase noise transformer coupling quadrature LC VCO is finished according to the proposed model.
33) Conclude that the cross-axis coupling coefficients of stiffness between drive and sense direction should be as small as possible to reduce the quadrature error.
34) He did this by charting and the Earth's change of position from opposition to quadrature.
35) The correcting network consists of combination logic circuit and it can correct the gain and phase imbalances and the bias errors of the in-phase and quadrature channels in coherent signal processing.
36) Quadrature coherent detection can reserve all information of the complex envelope of signals, and it is therefore widely used in signal processing.
37) The extraction of the in-phase and quadrature components from a received echo signal is an important problem in the digital beamformer of sonar systems.
38) These are also simulated on computer and the results show that the LPF method is more suitable for the quadrature sampling of wideband IF signal.
39) The maximun overload capacity of the motor depends essentially on the synchronous reactance along the quadrature axis and on the commutation reactance.
40) A half moon is visible at the quadrature of the moon.
41) First of all, it introduces a kind of simple and practical numerical quadrature method for calculating the vibration characteristics of wheel system.
42) Through reform the modulating function of the winding to set up the mathematic model, by which it analyses and calculate the layer coefficient, quadrature error, electrical error.
43) These extensions lead to generalized Gaussian quadrature formulas which have high algebraic precision.
44) Through installing inphase(I) channel and quadrature (Q) channel, the effect of the carrier can be eliminated in NDLL. Therefore, the noncoherent demand of NDLL is satisfied.
45) The matrix method and axial tracing method were applied in the calculation of the measurement of buildings which had quadrature axes.
46) He did this by charting Jupiter's ( and the Earth's ) change of position from opposition to quadrature.
47) The reasons for inducing quadrature error and offset error are analyzed and the expressions of quadrature error and offset error are induced.
48) This method analyzes the cyclostationary of pretreated signals. In order to realize quadrature demodulation, the 4th-order cyclic cumulant is used to estimate carrier frequency and phase deviation.
49) Due to strong oscillation and slow decay of product term in dual Bessel integration, it is difficult to use ordinary numerical method for the quadrature of dual Bessel.
50) A joint carrier-phase-tracking algorithm based on signal combining is proposed for carrier phase tracking of quadrature amplitude modulation(QAM) signals.
51) The conventional Gauss quadrature is kept in the integral element far away from the inner point.
52) The use of quadrature function curve fitting in excavation volume calculation of earthwork wasdiscussed.
53) The principles of realizing quadrature coherent detector by direct sampling of bandlimited signal are discussed in this paper. They have great practical value in engineering.
54) A test method of torque synchro rotor quadrature axle damping short - loop loss and current was introduced.
55) When it is realized by using the analog devices, the conventional quadrature coherent detector may result in the large image frequency errors.
56) Fundamentals of IF(Intermediate Frequency) bandpass signal sampling and quadrature detection are discussed, especially the coherent mixing LPF method and Hilbert transform frequency-shift method.
57) Multi-level Quadrature Amplitude Modulation is very sensitive to carrier phase noise.
58) The trapezoidal rule is adopted for the quadrature of the memory term and the quadrature error is estimated.
59) In fact, Heisenberg′s uncertainty principle is a special case of entropy uncertainty relation, and entropy can be used to measure the quantum fluctuation of the quadrature components of the field.
60) On the basis, the ratio of quadrature error and sense signal are induced when the the principal axes of elasticity of outer-frame and inner-frame rotates a little angle separately.
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