Kalman filter is a linear minimum variance state estimator, and it combined array antenna and multiuser detection effectively.

卡尔曼滤波是一种线性最小方差状态估计，把它有效地结合阵列天线与多用户检测。

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In order to satisfy the need of "BD-1" system & GPS combined receiver for special environment, a combined receiver antenna has been designed.

针对“北斗一号”（“BD-1”）系统与GPS系统组合接收机在特定电磁环境下的需求，设计了一种组合接收机天线。

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A novel triangle combined monopole antenna was proposed based on the improvement of triangle monopole antenna.

以三角形振子天线为基础对天线结构进行改进，提出了一种新型三角形组合振子天线。

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The Pioneer SmartCradle for iPhones is compatible with all GPS enabled apps, including MotionX-GPS Drive and is the first of its kind to incorporate a built-in gyro sensor and accelerometer combined with an external antenna for improved GPS reception and location accuracy, even if GPS signals are limited by high rise buildings and tunnels.

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