将一种适用于非线性系统的UKF应用于单站无源定位，并结合具体应用背景，对通常的UKF作了适当的改进。
The Unsctened Kalman Filter (UKF) for nonlinear system is applied in passive locating by single station, and the general UKF is improved according to the specific application.
提供了一种实现改进残留频率误差和相位噪声估算的、适合于在高频通信系统中使用的单载波调制方案。
A single carrier modulation scheme suitable for use in high frequency communication systems is provided that achieves improved residual frequency error and phase noise estimation.
利用改进的循环单剪试验系统进行粉质黏土—混凝土接触面剪切性能试验。
The simple shear tests are conducted to study the shear properties of silty clay-concrete interface by using the improved cyclic simple shear testing system.
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