脉冲重复频率平均为81。
分析了提高脉冲重复频率对干扰的抑制性能。
Discusses the effect of the suppression interference when pulse repeated frequency is higher.
同时也兼顾到了天线姿态,波束指向的控制;雷达波门,脉冲重复频率控制;
It also discusses the antenna beam control, the radar pulse control, and the clutter-lock on the raw data stage, etc.
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。
The detection probability calculating method about low pulse repetition frequency(LPRF) PD radar against air vehicle is studied.
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。
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.
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 improving the SNR and the reducing transmit power of the SAR simultaneously, airborne SAR often use high PRF (Pulse Repetition Frequency).
特别由于脉冲附带长的拖尾加剧了热透镜效应,使得脉冲重复频率的增加引起转换效率的降低。
Specially, the thermal lens effect is intensified due to the long tail attached to pulse, which leads to decreasing of conversion efficiency if pulse repetition rate is enhanced.
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。
Crater depth versus pulse power density, average laser power, pulse repetition frequency and focal distances are built up through experiment.
多脉冲作用时,脉冲重复频率只有在一定范围内(随材料属性改变),脉冲间的热累积效应才存在;
And if there are several laser pulses irradiated on the material, the thermal incubation effect would occur only when the repetition rate is…
最后介绍了分选预处理器在电子战中的三种应用:威胁信号检测、无用信号滤波和脉冲重复频率选择滤波。
At last, the paper also presents three different applications of the sorting processor to electronic warfare: detection of threating signal, filtering of useless signal and PRF selection filtering.
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。
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.
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。
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.
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。
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.
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。
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.
讨论考虑激光探测非线性和脉冲重复频率等因素时,激光导引头角跟踪回路的数学模型,并在MATLAB下对该模型进行仿真。
In this paper, the impact of non-linear laser detect and impulse repetition frequency on Angle tracking loop is studied. A more accurate system model is proposed and emulated in MATLAB.
详细地介绍了可控硅整流器(SCR)线型触发器的改进型设计方案,提出了用于高脉冲重复频率的双极晶体管触发器的实用新电路。
An improved plan of silicon controlled rectifier (SCR) line type trigger is described in detail. Anew practical circuit of bipolar transistor trigger for high pulse repeat frequency is presented.
主要讨论弹载SAR脉冲重复频率的设计问题,简要介绍了弹载合成孔径雷达工作的几何关系,说明了PRF设计需要考虑的一些因素。
This paper discusses the design of PRF of missile-borne SAR. The geometric model of missile-borne SAR is introduced and some factors related to the design of PRF are showed.
分析了星载聚束式合成孔径雷达(SAR)的信号特性,主要研究了多普勒中心频率、多普勒带宽以及脉冲重复频率(PRF)与斜视角的关系。
Signal properties of spaceborne spotlight SAR were discussed. The relationships of centroid Doppler, Doppler bandwidth and PRF (Pluse Repetition Frequency) with squint Angle were analyzed.
为了提高检测性能和实现多功能,PD雷达常采用高、中、低脉冲重复频率prf。对应一定的脉冲重复频率,PRF会出现测距模糊、测速模糊。
For enhancing performances and increasing functions of PD radar, High PRF, medium PRF and low PRF are commonly applied into system ambiguity appeared in range and velocity in some PRF.
为满足脉冲电源重复频率运行时直流电源的稳压性问题,设计了晶闸管快速充电自停自补单元,同时也提高了整个电源系统的效率。
In the case of repetition mode of the pulse power supply, Fast charging circuit is designed to enhance the stabilize and charging efficiency of the DC power supply.
这种脉冲电源可以实现在高重复频率工作下的高电压大电流输出,具有小型、高效和高可靠性。
The pulsed power can works by high output voltage and large output current under the repetition rates, it has some merits: simple structure, high efficiency and high reliability.
本课题对一台高压高频逆变电源输出的正弦电压进行处理,将其设计成一台纳秒级高压高重复频率的脉冲电源。
This designation is to deal with the output sine wave of a high frequency and high voltage power supply, the aim is to develop a high voltage and high frequency nanosecond pulse generator.
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 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.
在相同的脉冲电源电路中采用两种开关进行了脉冲产生试验,对比了脉冲形态、重复频率等指标。
The tests on pulse-generating of the two in the same pulsed supply circuit are carried out, and the indexes of pulse shape and repeat frequency are compared.
驱动器工作在脉冲模式下,产生重复频率和脉冲间隔可调的驱动信号。
The driver operates in the pulse mode, and can generate drive signal whose repeat frequency and pulse interval is tunable.
在双调q激光器中,声光器件用于控制脉冲的重复频率,同时允许激光晶体储存能量以保证反转粒子数被完全吸收。
In this doubly Q-switched laser, the AO Q-switch is used to control the pulse repetition rate and allow the laser medium to store energy to ensure that the population inversion is fully saturated.
高重复频率脉冲激光高达240千赫。
当增加重复频率时,输出与泵浦激光重复频率完全一致的激光脉冲,但也将在一个泵浦脉宽中出现多个激光脉冲输出。
Increasing the repetition rate, the output laser has the same repetition rate as the pump laser, but more sub-pulses will be output in one pump pulse.
提出了用研制的可重复频率快脉冲硬X射线源建立标准场的设想。
The idea of standard field building by developed rep-rate fast pulse hard X-ray generator was advanced.
重复频率脉冲功率技术广泛应用于脉冲功率技术的实用阶段。
The repetitive pulsed power technology is widely used in the application stage of pulsed power technology.
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