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- Based above-mentioned, the filter model is improved by deleting the unobservable state. 基于上述分析，时算法的滤波模型进行了改进，删除不可观测的姿态误差角状态。
- Generally speaking, Kalman filter algorithm is relatively convenient to be used because of its less dependence on parameter initial value, especially for the unobservable variables. 两种方法中，卡尔曼滤波方法由于对参数初值的依赖性较小，相对较为方便，尤其对于存在不可观测的参数时，具有较大的优越性。
- The wind whirled the dead leaves about. 风吹得枯叶在四处回旋。
- The wind was whispering in the trees. 一阵风穿过树林沙沙作响。
- There are 26 letters in the English alphabet. 英语字母表中有26个字母。
- Foreign nationals were asked to leave the country. 外国侨民被要求离开该国。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- A country must have the will to repel any invader. 一个国家得有决心击退任何入侵者。
- Swimming is the best way to tone up your body. 游泳是健体强身的最好方法。
- A fire was burning in the grate. 火在壁炉中燃烧着。
- They cleaved a path through the wilderness. 他们在荒原中开辟出一条路。
- They denounced him to the police as a criminal. 他们向警方告发他是罪犯。
- In this way you are becoming free of the ego, free of the unobserved mind. 这样你就能摆脱“自我”、和那个“未受到关注的思维”获得自由。
- You didn't embarrass me in the slightest. 你一点也没让我为难。
- I bought a pair of tan leather shoes the other day. 前几天我买了双棕褐色的皮鞋。
- He arrived at the meeting place beforehand. 他提前到达会面地点。
- He beckoned to me from across the street. 他在马路对面向我招手致意。
- He bit off a large piece of the apple. 他咬下一大块苹果。
- A 10% service charge is added on to the bill. 帐单上包括了百分之十的服务费。
- Don't scrape your feet on the floor. 别用脚蹭著地板。
