S - spaceborne 中文

spaceborne 在宇宙空間運行的；由宇宙飛船運載的。

spacefaring
This dissertation analyzes the detection performance of dpca technique based on distributed spaceborne sar system , particularly analyzes the k - distributed clutter ’ s influence of the detecting results . 4 . we compare the detection performance of ground moving target of the ati and dpca technique for the new model of distributed spaceborne sar in detail 3 .分析了在不同信雜比、信噪比條件下以及不同目標方位向速度對dpca方法檢測性能的影響,特別研究了k分布背景雜波干擾對動目標檢測性能的影響。
This dissertation established a novel distributed spaceborne sar simulation system based on the high level architecture ( hla ) . this dissertation developed a mathematical model of instantaneous sphere earth model and instantaneous circle orbit model for the geometry system between the satellite platform and the targets on earth based on the satellite platform ’ s orbit features and sar system ’ s operational characteristics , unlike the traditional sphere earth model and circle orbit model 本文從建立精確的、易于仿真的星地幾何關系入手,舍棄了傳統的星載sar研究中的球型地球模型和圓形軌道模型,根據星載sar的軌道特點和sar的工作特點,對局部球型地球模型進行改進,建立了在瞬時球型地球模型和瞬時圓形軌道模型下的星載sar仿真。
Radar altimeter is a kind of very important microwave sensing instrument for observing the earth , and there are a lot of key technologies involved in the high resolution spaceborne radar altimeter ( hrsbralt ) . the principle of hrsbralt , the acquisition and track methods , the if simulation , the closed loop internal calibration method , the pulse repeat frequency ( prf ) design , and the ocean - land compatible altimeter design are studied in this dissertation 雷達高度計是一種重要的微波遙感儀器，本文就高分辨率星載雷達高度計的工作機理、跟蹤方法、大時帶積在軌閉環內校準以及海陸兼容等內容進行了深入的研究，具體包括以下八個方面的內容： ( 1 )深入研究了星載雷達高度計的工作機理，并對典型雷達高度計系統進行了分析。
Advanced system simulation is pivotal for the development of spaceborne sar construction . establishing a novel and reliable spaceborne sar simulation system is of vital importance and will provide an effective means for the system design and countermeasure capability evaluation of spaceborne sar 先進的系統仿真是目前星載合成孔徑雷達( sar )發展和建設中的一項關鍵技術,建立新型的星載sar仿真系統,將為星載sar的研制和對抗性能綜合評估提供重要的手段。
According to the minimum detectable power required by the spaceborne laser altimeter for 200km maximum range and the analysis result of the effect between the maximum range and the equation ' s each parameter , the specifications for noncooperative regulable attenuation setting were fixed on 根據月球探測激光高度計實現200km所需的最小可探測功率，各影響因子與最大測程關系的分析，確定非合作目標可調衰減法裝置的技術指標。
4 . on the base of deep discussing about spaceborne sar operation , we present an approach to acquire the target location plane by satellite position and platform attitude , then to locate the target consistent with the earth surface curvature 論文在深入研究星載雷達實際工作狀況的基礎上，提出了一種由衛星位置和平臺姿態獲得衛星與目標所在的定位平面，再根據目標所在地面的彎曲狀況以及衛星到目標的距離確定目標位置的方法。
It ’ s precise and convenient for simulation and the typical problem of azimuth compression for spaceborne sar due to the anomalous earth shape and the satellite motion is solved through a one - by - one aperture azimuth processing way under this model 并在該模型下通過逐孔徑方位壓縮,解決了因為地球形狀的不規則和星載sar的運動,使得衛星速度、高度和sar的合成孔徑長度均隨時間而變化,帶來的星載sar方位壓縮的問題。
The software has been used in many projects such as dual - frequency multi - polarization and multi - modes sar system , environment disaster inspection and forecasting sar satellite etc . this dissertation first considers the geometry relations between spaceborne radar and the earth targets 該軟件已經在雙頻多極化多模式合成孔徑雷達、環境災害監測預報合成孔徑雷達小衛星等多個項目中得到了應用。
5 . on the aspect of spaceborne sar simulation , after thoroughly analyzing on the representative spaceborne sar simulator , we grasp the spaceborne sar operation procedure , and present a system simulation approach based on radar signal flow 在星載合成孔徑雷達模擬方面，論文在其它星載雷達模擬方法分析基礎上，把握星載合成孔徑雷達的工作流程，提出了基于雷達實際工作方式的系統模擬方案。
This dissertation includes the following parts : 1 . based on the facet model , a method of the simulating of spaceborne sar raw target dates with random distribution is proposed . the simulating algorithm is given and the results are analyzed 本文對星載sar原始回波數據模擬方法進行了研究,主要內容包括: 1 .基于小平面單元模型,給出了一種模擬滿足隨機分布特性的星載sar目標原始數據的方法。
2 . to simulate accurate raw data of spaceborne sar , models of satellite with elliptical orbit and targets with rotation of the earth are adopted in the process of calculating between the satellite platform and target 為了模擬得到精確的星載sar原始數據，本文在計算各時刻星載sar平臺與目標的距離時，采用了精確的數學模型：其中星載sar平臺運動軌跡采用橢圓軌道模型，地球采用橢球體模型。
A modified range - doppler algorithm for spaceborne sar with large squint angle is presented and the quality of images of simulated point target echoes gained by two algorithms are list in the paper 提出了一種適合大斜視角星載sar系統的改進距離多普勒算法，并給出了處理仿真點目標數據得到圖像質量的比較。
2 . based on the spaceborne sar theory , an elliptical earth model and an elliptical orbit model are proposed , which have some advantages over the traditional circular ones 2 .基于星載sar的基本理論,給出了一種進行星載sar回波信號模擬的橢圓地球模型和橢圓軌道模型,它們優于傳統的球地球模型和圓軌道模型。
Finding remains of the sui dynasty wall by spaceborne radar imagery is helping archaeologists to map a major cultural feature that has been buried by desert sands for generations 航天雷達拍攝到的隋代長城遺跡的照片，有助于考古學家們描繪那些世代掩埋在大漠黃沙中的文明遺存。
Zhang xiangkun ( aircraft design ) directed by ： liu heguang , zhang yunhua this thesis is supported by the national 863 project “ key technology of spaceborne three - dimensional imaging altimeter “ 本論文課題是結合國家863計劃課題“星載三維成象雷達高度計關鍵技術”而進行的。
Secondly , the model of ionospheric effects on spaceborne sar was made based on gauss envelope signals and rectangular envelope signals respectively 接著分別基于高斯包絡和矩形包絡線性調頻信號，深入分析了電離層對星載sar系統的影響機理，并給出相關的定量表達式。
4 . based on the raw data simulation algorithm , a method of developing distributed target ' s raw signal simulator of spaceborne sar is given 本文在星載sar分布目標原始數據模擬方法基礎上，提出了一種星載合成孔徑雷達分布目標回波模擬源的實現方法。
We introduce a modified model approach to estimate the unique synoptic oceanic wind field from backscatter of spaceborne scatterometer 給出了一種改進的場方式反演方法,利用該方法從衛星散射計測量的后向散射強度的數據中唯一反演出大尺度海洋風場。
The spaceborne sar raw data simulator can simulate the echo of the radar , which could be used in the test of the new spaceborne sar system design 而星載sar分布目標原始數據模擬可以模擬生成自然地面場景的雷達回波，用于新的星載sar系統的檢驗。

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圖片	移動背景圖固定背景圖重製上傳圖片

spaceborne

spaceborne 在宇宙空間運行的；由宇宙飛船運載的。

spacefaring

4 . based on the raw data simulation algorithm , a method of developing distributed target ' s raw signal simulator of spaceborne sar is given 本文在星載sar分布目標原始數據模擬方法基礎上，提出了一種星載合成孔徑雷達分布目標回波模擬源的實現方法。

We introduce a modified model approach to estimate the unique synoptic oceanic wind field from backscatter of spaceborne scatterometer 給出了一種改進的場方式反演方法,利用該方法從衛星散射計測量的后向散射強度的數據中唯一反演出大尺度海洋風場。

The spaceborne sar raw data simulator can simulate the echo of the radar , which could be used in the test of the new spaceborne sar system design 而星載sar分布目標原始數據模擬可以模擬生成自然地面場景的雷達回波，用于新的星載sar系統的檢驗。