विधियों की तुलना करें
चुनी हुई विधियों की आमने-सामने समीक्षा करें; भिन्नता वाली पंक्तियाँ रेखांकित हैं।
| एन्सेम्बल कलमन फ़िल्टर× | कण फ़िल्टर (अनुक्रमिक मोंटे कार्लो)× | |
|---|---|---|
| क्षेत्र≠ | डेटा संलयन | बायेसियन |
| परिवार≠ | Regression model | Bayesian methods |
| उद्भव वर्ष≠ | 1994 | 1993 |
| प्रवर्तक≠ | Geir Evensen | Gordon, Salmond & Smith |
| प्रकार≠ | Sequential Monte Carlo data assimilation filter | Sequential Monte Carlo estimator |
| मौलिक स्रोत≠ | Evensen, G. (1994). Sequential data assimilation with a nonlinear quasi-geostrophic model using Monte Carlo methods to forecast error statistics. Journal of Geophysical Research, 99(C5), 10143–10162. DOI ↗ | Gordon, N. J., Salmond, D. J., & Smith, A. F. M. (1993). Novel approach to nonlinear/non-Gaussian Bayesian state estimation. IEE Proceedings F (Radar and Signal Processing), 140(2), 107–113. DOI ↗ |
| उपनाम≠ | EnKF, Monte Carlo Kalman Filter, Stochastic Ensemble Filter, Topluluk Kalman Filtresi | SMC, sequential Monte Carlo, bootstrap filter, condensation algorithm |
| संबंधित≠ | 3 | 4 |
| सारांश≠ | The Ensemble Kalman Filter (EnKF) is a sequential Monte Carlo data assimilation algorithm introduced by Geir Evensen in 1994. It extends the classical Kalman filter to high-dimensional, nonlinear dynamical systems by representing the forecast error covariance through a finite ensemble of model realizations rather than propagating a full covariance matrix. Each ensemble member evolves through the nonlinear model, and observations are assimilated by computing a sample-based Kalman gain, making the method computationally tractable for large geophysical models. | The particle filter, introduced by Gordon, Salmond, and Smith in 1993, is a sequential Monte Carlo algorithm that approximates the Bayesian filtering distribution for nonlinear and non-Gaussian state-space models. Rather than tracking a single best estimate, it maintains a cloud of N weighted random samples — particles — that collectively represent the full posterior distribution of a hidden state at each point in time as new observations arrive. |
| ScholarGateडेटासेट ↗ |
|
|