Random good picture Not show

61. Combination of ladder approach method and equivalent circuit model of slot antenna had been used to analyze its input impedance. Finally, GTD had been used to calculate the radiation pattern.

62. The analysis also shows that using reciprocal turns and its square to describe the sensitivity can be more precise, if the copper resistance and the impedance of the coupling capacitor are considered.

63. The paper describes the principle of wave impedance estimation using self - adaptive filtering.

64. Wave impedance inversion is essential in predicting reservoir properties and sand-body distribution[sentence dictionary], and plays an important role in seismic survey.

65. For the direct power traction systems with full parallel connection, the characteristics of short-circuit impedance is analyzed with method of two symmetrical phases, and the expression is acquired.

66. According to the principle of conservation of energy, lateral impedance of piles in layered soil is presented on the basis of the "Beam_on_Winkler_foundation".

67. Provided is a flexible wiring board, which reduces an impedance mismatch even if three-dimensionally folded, so that it can realize a reduction in a transmission loss.

68. An ideal operational amplifier has infinite input impedance, infinite gain for the differential input signal, zero gain for the common-mode input signal, zero output impedance, and infinite bandwidth.

69. Switching applications of high impedance circuits include low current, high resistance, and high impedance voltage applications.

70. This paper designed a new type of muffler for pneumatic drill with the theory of impedance.

71. An adaptive impedance relay based on negative sequence voltage polarization is proposed, and its operating characteristic is analyzed.

72. When using frequency sweep meter to measure the input impedance of antenna, the balanced- unbalanced transformer must be connected between coaxial transmission line and antenna.

73. A mixing frequency excitation current source is designed according to the analysis of requirements of the bioelectric impedance measuring system.

74. A novel power conditioning circuit for flux compression generators (FCG) to drive high impedance loads is presented.

75. In this article, the measuring elements of distance relay are divided into two main sorts, which are impedance relay and distance relay.

76. The voltage compensation strategy, which takes the internal impedance of the...

77. The conception of isolated impedance is derived from the DC/DC converters. Then(sentencedict.com), the connotation of isolated impedance and the impedance triangle analysis method are introduced.

78. Among the balanced transformer at home and abroad, the Scott balanced transformers and balanced impedance transformer have been widely used in our country.

79. The expression of mutual impedance between two probes in a circular waveguide is derived by means of a vector potential function, reaction concept and reciprocity theorem.

80. The impedance transition of the films was studied under different applied voltages.

81. RESULTS: The results showed that the measuring electrode, skin-electrode, contacting impedance, and stimulating frequency all influenced the measured signal.

82. Dynamic impedance characteristic of hydraulic system is the important basis for improving its control property.

83. The unionize control of position and force can be realized by impedance control, which is one of main compliant force control theory.

84. This article introduces the method of mechanical impedance employed in the non-destructive control of the pile foundation.

85. When the phased array coil designed, such problems have to be taken into account as resonant frequency, impedance match, mutual impedance and et al.

86. The voltage compensation strategy, which takes the internal impedance of the compensating device into account, is also analyzed.

87. The individual fuel cell is controlled based at least in part on the impedance characteristic.

88. In geophysics, reflection refers to the seismic energy or signal that returns from an interface of contrasting acoustic impedance, known as a reflector, according to Snell's law.

89. In this paper this idea is applied to acoustic impedance inversion using post stack seismic data.

90. Finally, the curve of the relation between input and load impedance of the exponential waveguide is given and discussed.