快好知 kuaihz


low frequency造句
61. How to computing low frequency sound transfer function from source to receiver in enclosed room has become key problem in small enclosed room auralization. 62. In order to improve resolution of step motor control system and eliminate the mechanical resonance caused by low frequency, a step motor control system based on micro-step technology was presented. 63. This makes achieving negative permeability under extremely low frequency as well as the permeability switching between positive and negative value rapidly through a magnetic field pulse into possible. 64. The modulator quantizes the input signal and move the low frequency inband quantization noise to high frequency. 65. The theoretical analyses predict that the drift wave is the most dangerois low frequency instability in the hot electron plasma. 66. Compared with traditional bearing fault diagnosis method, the approach proposed in this paper can detect the low frequency modulated components from high frequency band. 67. To some larger cable mass, larger cable tension, lower site of dampers, larger excited loads, more complex frequency spectrum and low frequency, the stronger MR damper is need. 68. The low frequency radiation of common mode current is proportional to current length. 69. It is demonstrated that direct drive electro-hydraulic servo system can replace the traditional electro-hydraulic servo system in the low frequency response. 70. Conclusions: Although fasting hypoglycemia is characteristic of patients with insulinoma, postprandial symptoms have been reported with increasing, albeit low frequency. 71. The very low frequency electromagnetic method(VLF-EM) has such advantages as portable instrument, simple method, economical and high efficiency. 72. The current situation, present questions, future research direction of effects and application of extremely low frequency electromagnetic field on human health are introduced in this paper. 73. The coupled circuit method is used to calculate resistances and inductances in the low frequency range. 74. The attenuation factor of longitudinal wave was changing linearly, whereas the attenuation factor of the slow shear wave kept nearly constant with a low frequency on the exploration seismic band. 75. As this accelerometer is aiming to detect gravity gradient signal with low frequency in space, its response to lower frequency excitation is of special interests in here. 76. Objectives To investigate intensity of extremely low frequency magnetic field (ELFMF) emitted from cathode-ray tubes (CRT) of monitors in various directions and to find ways to avoid its influence. 77. If it is a low frequency sound, it is processed as an analog signal. 78. Conclusion: the permittivity at low frequency is expected encourage the kinetic approach to the study of rouleaux , which has been theoretic basis to measuring erythrocyte sedimentation rate. 79. To achieve FFTS in tradition, the transmission system terminal should have Frequency Multiplication Transformer (FMT) to convert low frequency power to 50 HZ power. 80. The main spectral components are distinguished in the heart rate variability spectrum: ultra low frequency(ULF), very low frequency(VLF), low frequency(LF), high frequency(HF) components . 81. In low frequency range, the approximate solution of the specific acoustic resistance is derived. 82. Experimental results show that low frequency pulse compression and channel match method can be used in shallow water sound channel to improve the SNR. 83. Thus the observed regularity effect is partly due to the same initial consonant and partly due to the same rhyme shared by low frequency characters and their phonetic. 84. As the water content decreases, the semicircle of the complex plane at the middle and low frequency range will split. It is the result of the change of the capillary structure of the mortar specimen. 84.try its best to gather and build good sentences. 85. In this paper, the relationship between the low frequency drift wave and the empirical law of anomalous transport in Tokamak the pseudo-classical diffusion is discussed. 86. Note: Fast gating of sustained low frequency signals can result in " chattering. " 87. A ported enclosure will generally have a better low frequency extension for a given response shape (alignment) but would require a larger enclosure. 88. These low frequency spectrum lines are basically the harmonics of the rotor shaft frequency and the blade-passing frequency. 89. The wavelet coefficient of the original image is got through wavelet transform, and the low frequency coefficient is seen as a subimage. 90. Objective To investigate the relationship between the resonant frequency and low frequency conductive hearing loss.