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attenuation造句
61. There have been few researches on disturbance attenuation control for power-assisted wheelchairs, although they are getting more requested. 62. The noise attenuation characteristics of air cleaner in a passenger car are analyzed using element method. 63. This model can increase the calculated value of the attenuation constant. The results indicate that the loss of the helix occupies most of the whole loss. 64. Eaton FC NVH utilizes a custom hose assembly that specifically targets the fluid borne noise to reduce overall noise levels without over attenuation. 65. To facilitate realistic testing, the heart of REAL is the radio frequency attenuation network,[www.] a system designed to simulate realistic field conditions for multiple radios. 66. However, this technique is stifled by difficulties such as the nonlinear and ill-posedness problem due to the attenuation of incident and scattering rays and the multiple scattering problem. 67. Increasing voltage, pulse-forming capacitance and discharge wire diameter can improve the attenuation rate of pulse energy. 68. Considering the attenuation of ultrasound, the actual sound power of several different frequencies and different power ultrasonic in the liquid was determined by using the calorimetric method. 69. According to this paper, the frequency and intensity of the signal attenuation on transmission line are mainly depended on the ferromagnetic resonance frequency and eddy current loss. 70. In low frequency band, the attenuation rate of guided electromagnetic waves are very low and increases slowly as frequency. 71. The bigger the electron proportion, plasma layer thickness and external magnetic field strength, the broader the attenuation band. 72. Characterized by short duration and quick attenuation, One - off impaction ground motion is more typical than others. 73. The correlation property between the distribution of attenuation factor and that of the group velocity is indicated, in this study. 74. In this paper, the environment attenuation factor is introduced to the radar equation and the simulation results of the detection range of stand-off jamming based on weather conditions are given. 75. This paper presents a new adaptive multilevel median filter based on direction information measure to solve the contradiction between noise attenuation and image details-preserving (edge-preserving). 76. Near the critical point of the RLC-circuit, the residual voltage waveform changes form non-oscillating attenuation mode to distinct across zero oscillating mode when the peak current increases. 77. The results show that the system improved the VGA signal attenuation and distortion, achieved high-quality, long-distance transmission. 78. To study the clinical toxicity and attenuation of Leucaena in broilers, 250 10-day-old AA broilers were randomly divided into five groups, which every group had 50 broilers. 79. In scanner controlling aspect, a chromatism compensation technology is put forward, so as to solve the problem of signal attenuation and prolong the life span of scanners. 80. The attenuation coefficient shows approximately linear behaviour with frequency over the frequency range used, and the attenuation slope increases with the void content. 81. Using this device, we can measure many oceanic optical parameters such as diffuse attenuation coefficient, remote-sensing reflectance, water-leaving radiance and so on. 82. The blind equalization algorithm is "equanimous" and the characteristic of convergence is not influenced by distortion of channel, it is fit for equalizing deep attenuation channel. 83. The results show that hydrodynamic dispersion and indigenous biodegradation under mixed electron accepter conditions are primary mechanisms for the attenuation of ethanol and BTEX in porous media. 84. A parameter adaptive law and a control law were obtained to ensure asymptotic attenuation of the tracking error to zero with probability 1. The simulation results show the validity of the method. 85. Among which, is the attenuation coefficient at the single scattering approximation, representing the attenuation rate when the laser passes through medium in unit distance. 86. As a result, there is less attenuation of the gamma rays from the fission products. 87. The transmission zeros(TZ) of Quasi-elliptic function filter could be placed in any position, so the attenuation out of band is controllable, then a high selection performance could get. 88. The combined effects of soft rock sites and anelastic attenuation factor have been separated and determined respectively by(using) this method. 89. Wave attenuation properties of rectangular pontoon breakwater were analyzed with eigen - function expansion. 90. Lateral Attenuation of Aircraft Sound Levels Over an Acoustically Hard Water Surface.