目标 1.(对象) target; objective 发现目标 detect the objective; 击中目标 hit the target; 军事目标 military objective; 正中目标 be dead on the target; 他是嘲笑的目标。 he is a target for scorn.2.(目的) goal; aim; destination 达到目标 achieve one's aim; 怀着崇高的目标 with a lofty end in mind; 为一个共同目标而奋斗 fight for one common goal; 追求自己的目标 pursue one's own end; 他们有相似的目标。 they had the similar aims
At this moment , both the direct signal and the reflected one impinge into the array , and make the amplitude and phase of the echo change , which cannot be separated from the direct one , thus cause server errors of elevation ’ s estimation , even the failure of tracking 此时直达信号与反射信号同时进入天线,造成回波幅度与相位的变化,并且这种变化不能从直达信号中分离出来,从而造成目标仰角估计的严重误差,甚至引起跟踪的失效。