必应词典为您提供phased-array-antenna的释义,un. 相位阵天线; 网络释义: 相位阵列式天线;相位阵列天线;相控阵天线;
As shown in Figure 1, along the electrical transmission line layer 102 and the ferroelectric transmission line layer 105 through the ground conductor 107 are layered together, among all the antenna terminal and the input of high-frequency power is applied from the input terminal bifurcated certain ...
Why use a phased array antenna for radar applications? As mentioned above, PARs do not have moving parts, which is enormously beneficial for radar applications. First and foremost, the field of view can be changed in a few microseconds. This is significantly faster than a conventional rotating ...
PURPOSE: To reduce the antenna area of a phased array antenna. ;CONSTITUTION: Phase converters 62, 63 are connected with two (two pairs) feeding points which excite the same polarized wave of each microstrip patch antenna 61 forming a first sub-array antenna 6 via a diode. One of the feed...
5.3.9 Other Wire Antenna Structures The wire elements listed above have been used in arrays and are clearly suited for such use. However, they comprise only a very small subset of all of the wire antennas developed, some of which may have unique qualities for arrays. Since ...
Antenna system design for FMCW avalanche radar University College London (UCL) has developed a sophisticated FMCW phased array raday with sub-metre range resolution for imaging avalanches. The radar is installed in a bunker in an avalanche test facility in Valle茅 de La Sionne (V... FM Isa ...
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In RFID systems, how to detect the position precisely is an important and challenging research topic. In this paper, we propose a range-free 2D tag localization method based on phased array antenna, called PATL. This method takes advantage of the adjusta
A phased array antenna system formed from an antenna-integrated printed wiring board for performing the functions of a waveguide impedance matching layers, a honeycomb support structure, RF antenna probes, DC logic and RF distribution. The printed wiring board construction of the present invention sign...
(b), the antenna element is composed of multi-layer dielectric structure with main parametersW = 25 mm,h1 = 8 mm,h2 = 7 mm andh = 17 mm. The performances of phased array antenna including half power beam width (HPBW), main beam direction and SLL are ...