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- Integrated Kalman filter is used estimations of INS's error and GPS receiver clock's error.It is used code tracking loop in order to function of loop filter in tradition code tracking loop. 在该算法中，组合卡尔曼滤波器除完成INS误差及GPS接收机时钟误差的估计外，还参与了GPS码跟踪，即完成传统码跟踪环中环路滤波器的功能。
- GPS time is controlled to within one billionth of a second by atomic clocks, but the receiver clock might be subject to an error of a second or more per day. GPS时间由原子钟控制，精准度可达10亿分之1秒，但接收器内的时钟每天的误差值可能达到一秒或是更久。
- I didn't wake up until I heard the alarm clock. 直到听到闹钟的铃声我才醒来。
- That clock is a family heirloom. 那个座钟是祖传下来的。
- I set it by the clock on the railway station. 我是按火车站的大钟对的。
- The clock ticks louder and louder in a quiet room. 钟的滴答声在静静的房间里变得越来越响。
- The grandfather clock was back in its old place. 落地式大摆钟已放回原处了。
- The little clock tinkled out the hours. 那只小钟叮叮当当地报时。
- Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。
- Closing time at this pub is eleven o' clock. 这酒馆的打烊时间是十一点。
- A clock and two vases stood on the mantelpiece. 壁炉台上摆著一个座钟和两个花瓶。
- The clock struck at twelve o'clock sharp. 钟在整十二点钟打点。
- At midnight you'll hear the clock strike twelve. 午夜时你会听到钟打12点。
- Please put the receiver back after calling. 打完电话后，请把听筒放回原位。
- There must be something wrong with my clock. 我的钟一定是坏了。
- This clock has outlasted several owners. 这座时钟的寿命比它的几个主人的寿命都长。
- I was so sleepy, I thought it was my alarm clock. 那个时候我很困，所以以为是闹钟在响。
- Pick up the receiver and deposit a coin in the slot. 拿起听筒之后，放一个硬币在这个小口子里。
- The clock began to boom out twelve. 时钟开始敲十二点。
- The pendulum of the clock in my room is a bear. 我房间的钟摆是小熊形状的。
