It is proved by the perturbation analysis of Signal Subspace that the performances of the method presented here are better than the improved spatial smoothing techniques.
信号子空间的扰动分析表明，这种方法优于修正的空间平滑方法。
The present smoothing techniques have solved the data sparse problem effectively but have not further analyzed the reasonableness for the frequency distribution of events occurring.
现有平滑技术虽然已有效地对数据稀疏问题进行了处理，但对已出现事件频率分布的合理性并没有作出有效的分析。
The present smoothing techniques deal with the data sparse problem using different discount and compensate strategy, and they have different merit or shortcoming on complexity and rationality.
现有平滑技术利用不同的折扣和补偿策略来处理数据稀疏问题，在计算复杂性与合理性方面各有其优缺点。
In addition, techniques such as font smoothing may be used to create a clearer picture.
另外，象平滑字体这样的技术可能会用于生成更清晰的图像。
Prominent among the various techniques that can help to extrapolate past date into future trends are the following:time series, least squares method, exponential smoothing, regression and correlation.
由历史数据推测未来趋势的众多方法中较突出的有：时间序列法、最小平方法、指数平滑法、回归分析和相关分析。
For enhancing the migrated imaging, these techniques, like DMO, migration velocity field smoothing and pre-stack depth migration, are used.
采用DMO、偏移速度场平滑、叠前深度偏移等技术提高偏移成像精度。
Other steps including multigrid techniques and residue smoothing were taken to accelerate the convergence rate and improve the calculation stability.
电势的迭代计算采用多重网格加速收敛，用隐式残值光滑技术改善收敛速度以及时间推进过程的稳定性。
Other steps including multigrid techniques and residue smoothing were taken to accelerate the convergence rate and improve the calculation stability.
电势的迭代计算采用多重网格加速收敛，用隐式残值光滑技术改善收敛速度以及时间推进过程的稳定性。
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