A processing flow is proposed to suppress the severe clutter in high pulse repetition frequency (PRF) stepped-frequency radar.

针对高重频频率步进雷达，提出了抑制强杂波的有效处理流程。

The detection probability calculating method about low pulse repetition frequency(LPRF) PD radar against air vehicle is studied.

提出了低脉冲重复频率（LPRF）PD雷达探测飞行器目标的发现概率计算方法。

Crater depth versus pulse power density, average laser power, pulse repetition frequency and focal distances are built up through experiment.

试验建立起了凹坑深度与脉冲功率密度、激光平均功率、脉冲重复频率和离焦量之间的关系曲线。

For improving the SNR and the reducing transmit power of the SAR simultaneously, airborne SAR often use high PRF (Pulse Repetition Frequency).

机载SAR为提高信噪比并同时减少发射功率，往往使用较高的脉冲重复频率(PRF)。

For a Doppler radar homing seeker with high pulse repetition frequency, the continuous wave approximation is not only simple, but also has a high calculation accuracy.

对于使用高脉冲重复频率的主动多普勒雷达导引头，连续波近似法不仅计算相对简单，而且可以给出较高的计算精度。

This paper studies the design of pulse repetition frequency of an X-band height-finding radar for clutter suppression and presents an algorithm for fuzzy distance solution.

本文首先从杂波抑制着手，研究X波段测高雷达脉冲重复频率的设计，在此基础上设计一种解距离模糊的展开算法。

Ultrasound-assisted gene delivery is associated with the parameters of ultrasound exposure, such as mechanical index, pulse repetition frequency, time of exposure, and so on.

超声的此种特性，与超声的照射条件，如机械指数、脉冲重复频率、照射时间等有关。

Blind speed phenomenon due to Doppler frequency usually exists in moving target indication radar. This disadvantage affect is avoided through staggered pulse repetition frequency method.

动目标显示雷达中通常存在多普勒频率所引起的“盲速”现象，常采用参差脉冲重复频率的方法来克服这种不利影响。

This dissertation studies the ground clutter suppression of ABSR. Because low pulse repetition frequency (LPRF) and low side-lobe antennaare adopted, we focus on main-lobe clutter suppression.

本文主要研究机载战场侦察雷达的地杂波抑制，由于采用了低脉冲重复频率和低副瓣天线，我们主要考虑主杂波的抑制。

The principle of the optical shutter system is presented, and a system is designed according to the wavelength and repetition frequency of light pulse, and the dimension and length of bunches in HLS.

介绍了光开关的工作原理，根据合肥光源光脉冲的波长、重复频率、束团尺寸以及束团长度，进行了光开关系统设计。

The rational harmonic mode-locking has become a research subject of intense interest due to its application on the generation of ultra- high repetition frequency optical pulse train.

有理数谐波锁模技术是产生高速超短脉冲的重要技术之一，其光时分复用通信技术等领域中有重要的应用价值。

The repetition frequency of pulse trains was several MHz.

输出锁模脉冲的基频为几兆赫兹。

A penetrating opening is formed by irradiating a light-transmitting insulating film with laser light having high intensity and a pulse high in repetition frequency.

通过使用具有高强度和高重复频率的激光照射透光绝缘膜来形成穿透开口。

This laser can work as behaviors of single pulse, repetition frequency or continuous and also realize the coding of pulse frequency and wavelength tuning.

该激光器可以单脉冲、重频或连续方式输出，并可实现输出脉冲频率的编码及波长调谐。

So, the modulation of irregular pulse repetition interval may be employed in FCP that the randomization of signal modulation would be obtained in both time and frequency domains.

因此，若将重复周期参差调制方式融合到频率编码信号中，可使信号具备时-频调制双重随机性。

The results show that this amplifier has a good amplification effect on the pulse signal at a low repetition frequency.

结果表明，本脉冲光纤放大器对低频脉冲信号有很好的放大效果。