Background noise variance的用法和樣例：
例句
- A new filtering approach is proposed for calculating the variance of adaptive adjustment process noise.
介紹一種自適應調整過程雜訊方差的濾波計算新方法。 - This algorithm can adjust the system process noise covariance adaptively along with the characteristic of maneuvering to adapt to different target maneuvers.
該演算法使系統狀態雜訊方差隨著機動特性能夠自適應調整，自適應各種機動情況。
