该传感单元由单端口谐振器和延迟线组成,激励信号采用间歇正弦脉冲串信号。
The sensor element is constructed by a one-port SAW resonator and a delay line. The input signal is an interval sinusoidal signal and its response is an oscillating signal.
为了提高脉冲串信号的距离分辨力,曾有文献提出了对子脉冲的载频进行线性递增的方法。
To improve the range resolution of Mono-Pulse Train (MPT), the linear step frequency signal is introduced and used widely in modern radars.
均匀脉冲串信号是相参脉冲串信号中最简单但也是最重要的一种,所以对其研究有一定的意义。
The uniform pulse sequence signal is one of the most simple and the most important forms in coherent pulse-sequence signals, so it has a certain meaning to study uniform pulse-sequence signals.
现代雷达为获得较高的距离分辨力通常采用编码频率脉冲串信号和步进频率脉冲串信号,但都存在数据率低和较为严重的距离-多普勒耦合问题。
But these signal problems of range-Doppler coupling and low data ratio are still not solved completely although some encouraging results have been obtained and applied in the radar system design.
设计并实现了基于ADSP21060的通用高速实时数字信号处理系统,并以随机脉位调制与随机二相码调相复合脉冲串信号处理为例,给出了软硬件设计方法。
We design and implement a generic high-speed real-time digital signal processing system using ADSP21060 processors, and introduce software and hardware design methods for the CPS signals.
水平失真触发:当信号变高或者变低,并保持此状态超过指定时间时触发。这是很有用的对于脉冲串的末端触发。
Level dropout: This detects an edge followed by a specified time with no edges. It is useful for triggering on the end of a pulse train.
通过分析声表面波谐振器对不同激励信号的响应,本文选用正弦脉冲串作为激励信号,来提高系统工作效率和传感距离。
Through the analysis of the response of resonator base on different pumping signals, sine burst is used for pumping signal of the system to improve the efficiency and detecting-distance.
共原理为将系统调节信号经定时器转换为移相脉冲串去触发可控硅进行三相全控整流。
The principle is that the system adjustment signals are changed into shift-pulses via a timer so as to trigger SCR for three-phases full-controlrectification.
提出从接收到的光信号脉冲串中提取光基频时钟的方案。
A novel all optical scheme for extracting clock pulses with basic frequency from the receiving non uniform OTDM optical signal is proposed.
本文主要研究了多载波相位编码(MCPC)脉冲信号,以及具有低峰值-平均包络功率比(PMEPR)的多载波脉冲串的设计。
This thesis mainly discusses the multi-carrier phase code (MCPC) pulses signal, and the design of pulses trains with low peak-mean envelop power ratio (PMEPR).
阐释了单个脉冲回波信号和多周期脉冲串回波信号,利用积累来提高检测性能的多种方法。
Some methods of enhancing detection performance in dealing with the single pulse echo signal and the multi-period pulse bunch echo signal by accumulating are summarized.
时钟脉冲,用于同步的连续脉冲信号串。
CLOCK SIGNAL, a continuous string of pulses used for synchronization.
通过将估计出的冲激串信号与高斯单脉冲波形卷积,完成超宽带信号的波形重建。
The waveform of UWB signals can be reconstructed by convolving the estimated impulse signals with Gaussian monocycle.
通过将估计出的冲激串信号与高斯单脉冲波形卷积,完成超宽带信号的波形重建。
The waveform of UWB signals can be reconstructed by convolving the estimated impulse signals with Gaussian monocycle.
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