ID |
原文 |
译文 |
51277 |
通过实例建模和试验数据对比,验证了所提方法的有效性。 |
By modeling and experiment data comparison, to verify the effectiveness of the proposed method. |
51278 |
可匹配滤波混沌雷达系统可由低成本的模拟器件实现匹配滤波,受到广泛关注。 |
Can be matched filtering chaos radar system can be made of low cost of simulator to realize matched filtering, attracted much attention. |
51279 |
但是该系统发射信号的带限性能不理想,信号在变换和传播过程中容易发生频谱泄露和畸变。 |
But the system transmitting band-limited performance is not ideal, signal is likely to occur in the process of transformation and spread spectrum leakage and distortion. |
51280 |
针对该问题,提出一种基于混沌同步和滤波的波形设计方法。 |
Aiming at the problem, put forward a kind of waveform design method based on chaotic synchronization and filtering. |
51281 |
该方法在雷达发射端,将混沌信号频谱整形为带限信号; |
This method in radar transmitter, the chaotic signal spectrum shaping for band-limited signals; |
51282 |
在接收端,利用同步和滤波恢复出混沌信号。 |
At the receiving end, the use of synchronization and filtering out of the chaotic signal recovery. |
51283 |
与传统在数字域上进行信号设计的方法相比,本文方法是在模拟域上实现的,具有低成本优势。 |
With the traditional signal in the digital domain design method, compared with the method are implemented in the simulation domain, a low cost advantage. |
51284 |
此外,在信噪比低至-20dB时本文方法仍然有效, |
In addition, in low signal-to-noise ratio to 20 db - when the method is still effective, |
51285 |
与直接匹配滤波相比,本文方法变换后的混沌信号匹配滤波后,最大旁瓣抬升很小。 |
compared with the matched filtering directly, the method after the transformation of chaotic signal after the matched filtering, side lobe largest lift is very small. |
51286 |
运动目标检测是智能车辆动态环境感知中的关键问题。 |
Moving target detection is a key problem of intelligent vehicle dynamic environment perception. |