海上实验结果表明:在传输距离为12公里时,系统的误码率为10 - 2至10 - 3,具有较强的抗多途和起伏干扰能力。
The field experimental results show: the system provides the performances of anti-interference of multipath and fluctuation, with the bit error rates on the order of 10-2 to 10-3 at distance 12km.
被动信号检测的最佳检测器是能量检测器,但是能量检测器往往因为背景干扰的起伏和信噪比的劣化导致检测性能的下降。
The optimum detector for passive detection is energy detector. Yet energy detector usually deteriorates due to fluctuation of background interference and a decrease in SNR.
文章分析了存在载波相位起伏、正弦干扰、高斯白噪声时正交调幅数字系统的抗扰性。
The paper analyzes the interference rejection of Quadrature amplitude modulation signals in the presence of carrier phase jitter, sinusoidal interference and white Gaussian noise.
反射波在经过近地表的过程中受到诸多因素的干扰,尤其是地表起伏和近地表低降速带,对其影响甚大。
Reflections are impaired by interferences, especially irregular topography and low velocity layer when they travel through near surface.
该方法基于干扰和目标能量和起伏特性差异确定提取特征因子,再利用RBF神经网络方法进行分类。
In this method, the feature factor is identified and extracted through the energy of the jamming object and differences in the undulating property, and then is classified with the help of RBF.
风的因素、果岭左前方的自然起伏将会尽其所能干扰你的高尔夫球,但是一般都让球尽量落在右边一些。
The wild, natural contours in front left of the green will do all sorts of things with a golf ball but usually push it right in some form.
风的因素、果岭左前方的自然起伏将会尽其所能干扰你的高尔夫球,但是一般都让球尽量落在右边一些。
The wild, natural contours in front left of the green will do all sorts of things with a golf ball but usually push it right in some form.
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