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- Finally, the problem of SAR raw data compression is also studied.Considering the methods of BAQ and VQ, some compression methods are studied and compared. 最后,对SAR的数据压缩进行了研究,在BAQ算法的基础上,结合矢量量化技术,仿真实现了几种数据压缩算法,对这些算法进行了比较分析。
- Based on traditional wavelet transform methods, a Multiwavelet Transform SAR raw data compression method(MWT-BAQ) is presented for the first time in this paper. 首次提出将多小波应用于SAR原始数据压缩,在单小波压缩算法的基础上,提出了多小波压缩算法MWT-BAQ。
- For the SAR raw data, the dissertation mainly discusses data compression algorithms in the transform domain, such as, algorithms based on the lifting wavelet transform or discrete cosine transform(DCT). 对于SAR原始数据,主要研究了基于变换域的压缩算法,如基于提升小波变换和基于离散余弦变换的量化与编码算法等;
- Study on SAR Raw Data Compression Techniques SAR原始数据压缩技术研究
- SAR Raw Data Compression in Wavelet Domain 小波域的合成孔径雷达原始数据压缩
- SAR raw data compression SAR原始数据压缩
- The traditional compression methods based on the data correlation have not been used to compress SAR raw data, because SAR raw signal lacks the correlated characteristics. SAR原始回波信号的相关性较差,因此基于数据相关性的传统压缩方法对星载SAR回波信号的数据压缩不再实用。
- In this paper,a design method of the SAR raw data real-time compression system is presented which is based on FPGA and adopts the block adaptive quantization(BAQ) algorithm. 文章讨论一种基于FPGA,并采用分块自适应量化(BAQ)算法的SAR原始数据实时压缩处理系统的设计方法,该设计可大大提高实时压缩处理系统的性能,降低数据率,突破卫星下传数据率的限制。
- These caused great difficulties to downlink and store SAR raw data. 这给数据的传输和存储带来了很大的困难。
- The dissertation analyzes the source model of SAR raw data and imagery in detail and the baseline theories of quantization and coding are discussed. 论文对SAR原始数据和图像数据信源模型做了较深入的理论分析,并对量化和编码的基本理论做了详细的讨论;
- Compression of SAR Raw Data by Transform Domain Coding Techniques 使用变换域编码技术压缩SAR原始数据
- An Efficient High Compression Ratio Algorithm for SAR Raw Data 一种有效的合成孔径雷达原始数据高倍数压缩算法
- An irrelevant Amplitude-Phase (AP) algorithm is used in raw data compression according to the bulky raw data of Interferometric Synthetic Aperture Radar(INSAR) system. 该文针对干涉合成孔径雷达(INSAR)系统的大数据量问题,提出了一种用于INSAR原始数据的幅相压缩算法。
- AMPLITUDE AND PHASE COMPRESSION ALGORITHM OF SAR RAW DATA 合成孔径雷达原始数据幅相压缩算法
- THE CORRECTION OF CHIRP RADAR SIGNALS BASED ON SAR RAW DATA 用SAR原始数据对雷达脉冲信号失真的校正
- Research on SAR Raw Data Simulation of Complex Scenario 复杂场景的SAR原始数据模拟研究
- Raw Data Compression and Color Image Reconstruction Algorithm Based on Image Sensor 基于图像传感器的原始数据压缩及彩色图像重构算法
- Vector Map Data Compression with Wavelets. 小波向量地图数据压缩。
- Data compression using orthonormal expansions. 利用正则扩大的资料压缩。
- Function to write raw data to a sequential file. 函数将原始数据写入顺序文件。
