launching elevation
... launching cradle 腾空架 launching elevation 发射仰角 launching gear 放艇[下水]装置 ...
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而增加发射机的发散角则基本不影响接收到的信号功率。在其他参数不变的情况下,增大接收机或者发射机的仰角都减小了接收机的探测到的信号功率。
It is also indicated that decreasing either the apex Angle of transmitter or receiver makes the detecting of the weak scattering more difficult while other parameters remain the same.
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