Random good picture Not show

61. A self-optimizing control system for antenna automatic tracking is described in this paper. In this system, a microcomputer is used.

62. A sensory or tactile organ, such as an antenna a tentacle, or a barbel.

63. Earth station: A parabolic antenna and associated electronics for receiving and transmitting satellite signals.

64. It is demonstrated that, to the half-wave dipole antenna, meander-line dipole antenna has the better feature of miniaturization while maintaining the required radiation efficiency.

65. A method of designing single-feed circularly polarized microstrip antenna for GPS applications is presented in the article.

66. "Near to far" and "far to near" field transformations are carried out for the data measured on a sphere surrounding the pyramidal horn antenna. The transformed results agree well with the...

67. Finally the lobe of the antenna is verified by emulation and experiments.

68. Finally we use FR4 to fabricate the antenna and use the vector network analyzer to measure the reflect coefficient, antenna impedance and the antennas pattern in the chamber.

69. A beam shaping algorithm for circular arrays antenna pattern based on adaptive antenna array theory is presented.

70. Fixing the Antenna: Use of a double - faced adhesive tape on the grounding plate is recommended.

71. Azimuth resolution of meter wave radar can be improved by using super resolution spectrum estimation methods without extending the antenna aperture.

72. Each antenna element either resonates independently, or increases the total bandwidth of operation of the multi-band antenna system 100,(www.Sentencedict.com) in the low frequency band.

73. One of Dr Dickey's rubber - coated antennas, though, can be tuned by stretching the antenna itself.

74. From the resultant figures, we know the back lobe gain of UC-PBG patch antenna is smaller than that of regular one.

75. The control algorithm of attitude follow-up stabilization and tracking antenna platform adopts position feed-forward control, speed control and position feedback control.

76. This thesis mainly analyzes the coaxial probe - fed microstrip antenna and studies the broadband microstrip antenna.

77. Two novel spherical helical antennas are designed by projecting the planar equiangular spiral antenna onto the surfaces of hemisphere and partial sphere.

78. Used in the CCTV system , antenna television system branch line , subscriber line and other electronic devices.

79. A new half spherical helical antenna at the taper mode is presented first time. It has smaller volume and provides good shaped pattern which is suitable for LEO satellite communication.

80. The distance between antenna elements and element's excitation currents are used as variables to optimize the side lobe of equal space linear array firstly.

81. A series of experiment is made to test the utility of these sensors. The way to use these sensors in the antenna stabilization system and to make up of the error is proposed here.

82. Fundamental form and some kinds of deformations about TEM horn antenna which often be used in the time domain have been summarized, some kinds of its difference feed means have been introduced .

83. Being a new field of research, retrodirective antenna not only saves the cost of RF front-end system, but also simplifies the data processing.

84. The article introduces a kind of passive radar with large antenna structure and high mobility.

85. Blind landing is gaining popularity in recent years. And the millimeter-wave antenna is an important part of the whole navigation system.

86. A novel design procedure of a circular antenna array and its calibration technique for smart antenna system is proposed.

87. The inter-satellite linkage antenna of low-Earth-orbiting satellites pointing to the TDRS stably and quickly is very important to establish the communication linkage with the TDRS.

88. A basic scheme for detecting subsurface targets with EM pulse of nanoseconds and an especially developed travelling-wave antenna of high quality are described.

89. If equipped, remove the radio antenna mast, and components from the fender.

90. The designed shield resonance loop antenna (SRLA) holds better standing wave ratio (SWR), stronger ability to suppress interferences.