介绍了后向散射回波与信标光到达角起伏的原理性比对实验。
The contrastive experiment of back-scattering echo and beacon angle-of-arrival fluctuation was introduced.
目标模型包括船舶的距离、方位、速度和回波幅度、幅度起伏。
The model of radar target is composed of distance, bearing, speed, heading and amplitude of echo, fluctuation.
本文运用几何光学近似，导出了湍流大气中束状反射回波的到达角起伏表达式。
Based on geometrical optics formulation, this paper deals with the problem of Angle of arrival influence of reflected beam by a reflector, and derived the expression of Angle of arrival variance.
论文针对L波段ISAR，通过四个数学模型仿真了电离层引起的目标回波相位起伏、折射效应以及回波幅度闪烁对ISAR图像的影响。
This paper gives four models to simulate effects of phase fluctuation, refraction and amplitude scintillation due to ionosphere on L-band ISAR.
该方法研究了幅度起伏和时间漂移条件下回波包络模型，并对模型进行了简化处理，可以更准确地计算超声波渡越时间。
This method researches the echo envelope model which has been simplified in this paper under range wave and time excursion, and can compute the transmitting time more accurately.
介绍了雷达中频回波信号的设计原理，推导了不同波形种类的回波信号表达式，并为目标建立了4种截面积起伏模型。
The design principle of radar intermediate-frequency echo is introduced; different kinds of expression of echo signals are deduced, and 4 categories of wave of target cross section are modeled.
采用时间增益补偿技术，补偿超声波在空气中的衰减，减少回波信号的起伏；由有源全波整流电路和微分电路等组成峰值时间检测电路，可正确检测回波的峰值到达时间。
The peak time detecting circuit which is composed of full-wave rectification circuit and differential circuit can detect the reach time of echo signal accurately.
新的算法克服了传统算法受地面场景非均匀性和回波信号起伏的影响，大大提高了估计的精度。
The new algorithm obviates the effects of non homogeneity in sight and fluctuations of echoes, and the precision of estimation is improved significantly. These algorithms ar...
新的算法克服了传统算法受地面场景非均匀性和回波信号起伏的影响，大大提高了估计的精度。
The new algorithm obviates the effects of non homogeneity in sight and fluctuations of echoes, and the precision of estimation is improved significantly. These algorithms ar...
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