Distortions of Rectangular Pulse with Linear Frequency Modulation during Trans-Ionospheric Sounding of the Martian Surface

G. M. Strelkov; O. S. Gashevskaya; O. G. Derkach

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Distortions of Rectangular Pulse with Linear Frequency Modulation during Trans-Ionospheric Sounding of the Martian Surface

机译：火星表面跨电离层探测过程中带有线性调频的矩形脉冲的畸变

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Specific features of propagation of a wideband rectangular pulse along the route spacecraft-Martian surface-spacecraft caused by the influence of the planetary ionosphere are considered as applied to the problem of radio pulse sounding of the subsurface Martian soil from the Mars-Express satellite. The night Martian ionosphere considerably reduces the energy of the pulse, but does not lead to degradation of its envelope or uncertainty function. When sounding a two-layer surface, the influence of the ionosphere is also manifested in limitation from below of the thickness of the upper layer accessible for measurement, which is more essential than when sounding with the use of a wideband Gaussian pulse. It is demonstrated that the surface sounding is possible through the dayside planet ionosphere at the parameters of operating pulse of the MARSIS radar.

机译：由行星电离层的影响引起的宽带矩形脉冲沿路径航天器-火星表面航天器的传播的特定特征被认为适用于火星快车卫星从火星表面探测无线电脉冲的问题。夜晚的火星电离层显着降低了脉冲能量，但并未导致其包络或不确定性函数降低。当探测两层表面时，电离层的影响还表现为从可测量的上层厚度的下方受到限制，这比使用宽带高斯脉冲探测时更重要。结果表明，在MARSIS雷达的工作脉冲参数下，可以通过日间行星电离层进行表面探测。

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来源
《Cosmic research》 |2006年第3期|p.209-219|共11页
作者
G. M. Strelkov; O. S. Gashevskaya; O. G. Derkach;
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作者单位

Institute of Radioengineering and Electronics, Russian Academy of Sciences, pl. Vvedenskogo 1, Fryazino, Moscow oblast, 141120 Russia;

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原文格式 PDF
正文语种 eng
中图分类航天（宇宙航行）;
关键词
spaceborne and space research instruments, apparatus, and components (satellites, space vehicles, etc.); instrumentation for aeronomy and magnetospheric studies; mars;

机译：航天和空间研究仪器;设备和组件（卫星;航天器等）;用于航空航天和磁层研究的仪器;火星;

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1. Time-domain modeling of nonlinear distortion of pulsed finite amplitude sound beams [J] . J. P. Remenieras, O. Bou Matar, V. Labat, Ultrasonics . 2000,第1a8期

机译：脉冲有限振幅声束非线性失真的时域建模
2. The authors' replies to the discussion onA simple investigation of the cross-modulation distortion arising from the pulling effect in a frequency-modulated klystron, Theory and behaviour of helix structures for a high-power pulsed travelling-wave tube????????, ????????A multi-cavity klystron with double-tuned output circuit???????? and A method for the measurement of very high Q-factors of electromagnetic resonators [J] . Gjessing D.T., Buckley G.W., Gunson J., Proceedings of the IEE - Part B: Electronic and Communication Engineering . 1959,第29期

机译：作者的答复是对由调速速调管中的拉动效应引起的交叉调制失真的简单研究，大功率脉冲行波管的螺旋结构的理论和行为。 ????????????????????????????????????????????????????????和测量电磁谐振器极高Q因数的方法
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机译：讨论调速速调管中由拉动效应引起的交叉调制失真的简单研究，大功率脉冲行波管的螺旋结构的理论和性能，双腔输出的多腔速调管1959年2月23日在电子和通信部门面前测量电磁谐振器的很高Q因子的电路和方法
4. Time-domain nonlinear distortion of pulsed finite-amplitude sound beam: calculation and experiments [C] . Remenieras, J.-P., Matar, . 1999

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6. Full 3D modelling of pulse propagation enables efficient nonlinear frequency conversion with low energy laser pulses in a single-element tripler [O] . Tomasz M. Kardaś, Michał Nejbauer, Paweł Wnuk, -1

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8. Problems In Nonlinear Acoustics: pulsed finite amplitude sound beams, nonlinear acoustic wave propagation in a liquid layer, nonlinear effects in asymmetric cylindrical sound beams, effects of absorption on the interaction of sound beams and parametric re [R] . Hamilton, M. F. 1990

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Distortions of Rectangular Pulse with Linear Frequency Modulation during Trans-Ionospheric Sounding of the Martian Surface

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