antenna gain造句
1) How should we understand from the antenna gain?
2) It is very convenience for measurement antenna gain of antenna-receiver system. The method has high precision and it is not accept limit of frequency.
3) How to improve the test precision of antenna gain is the key point for antenna gain test in the outfield.
4) How to the teat precision of antenna gain is the key point for antenna gain test in the outfield.
5) A method of measuring manual VSAT receiving antenna gain by using the satellite beacon and high gain standard horn antenna is described in this paper.
6) Circuitry design and analysis must involve antenna gain in satellite communications.
7) The effects of various feeds on antenna gain in coverage area are compared so that the advantage of the cross septum feed is confirmed further.
8) Basic formulae of measuring antenna gain by using the sun source are described simply.
9) With the enlargement of the surfaces, antenna gain also increases, at first considerably and later on less and less.
10) There are many methods to measure antenna gain of satellite communications.
11) The numerical solution is gotten by numerical simulation and the relations of influence of parameters on the optical emitting antenna gain are analyzed.
12) Through the adjustment and optimization of the antenna, higher antenna gain is achieved,[http:///antenna gain.html] to meet the requirement of high-gain omni directional antenna.
13) The ground plane acts as a reflector to increase antenna gain.
14) The experimental results show that the measurement obtained is apparently improved, and the antenna gain greatly increased, therefore the efficiency is more close to that by the far-field measurement.
15) For the purpose of reliable transmission, the system margin is increased blindly through enhancing the transmitter power or the antenna gain in link design.
16) It is hold that one can increase static capacitance, reduce mode of input reactance and enhance the antenna gain by increasing down lead wires, their distances or lengthening the top loading wires.
17) Analysis shows that, only when the size of the hole is larger than 0.2 wavelengths will the variation of the antenna gain and the side-lobe level become obvious.
18) The beam forming technique is used in the UHF radio for improving antenna gain and system anti-interception.
19) The simulation indicated that the polarization axial ratio and antenna gain pattern of this antenna are good for "BD-1" signal and GPS signal.
20) The main antenna (100) and diversity antenna (105) are physically separated and oriented such that they have different antenna gain patterns.
21) Through the correlation radar parameter relative error and the echo intensity absolute error curve analysis, when the radar parameter antenna gain surpasses 0.