因此,OPERA团队使用了比上一次短3,000倍的质子脉冲来重复他们的实验,这样就会大大提高了中微子开始行驶时间的精确度。
Thus, the OPERA team repeated their experiment using proton pulses that were 3, 000 times briefer than last time, giving greater precision to the start time of neutrinos.
脉冲重复率越高,齿间距越大,各个齿之间也越容易分辨。
The faster the pulse repetition rate, the wider the spacing between the teeth, making each individual tooth easier to identify.
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.
数值模拟显示,利用色散缓变光纤中的调制不稳定性可以产生高重复率的基本孤子脉冲串。
The numerical simulation also shows that fundamental soliton pulses with high repetition rate can be generated in this kind of fiber by modulation instability.
处理器的功能包括:1)测量信号参数,尤其是选定雷达的脉冲重复间隔(PRI)参数。
The functions of the processor are 1) measuring the signal parameters, especially the Pulse Repetition Interval(PRI) of desired signa.
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.
建立了一个理论模型描述了高重复率脉冲放电金属蒸气激光中的电泳动力学过程。
A theoretic model has been established to describe the cataphoresis dynamics in high repetition rate pulsed discharge metal vapor lasers.
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).
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.
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.
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.
来源稳定,抖动,和交错脉冲重复率也可以用HP5364A研究为基础的系统。
Source stability, jitter, and staggered pulse repetition rates can also be studied with an HP5364A-based system.
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.
因此,OPERA团队使用了比上一次短3,000倍的质子脉冲来重复他们的实验,这样就会大大提高了中微子开始行驶时间的精确度。
Thus, the OPERA team repeated their experiment using proton pulses that were 3,000 times briefer than last time, giving greater precision to the start time of neutrinos.
基于时延测量的水声跟踪定位系统,当信号传播时延大于脉冲重复周期时,就会出现距离模糊。
For underwater acoustic positioning system based on measurement of time_delay, range ambiguity appears when pulse's propagating time is longer than its repetition period.
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.
提出了一种运用谐振原理的可重复RS D脉冲电源。
One RSDbased repetitive pulsed power supply through referring to resonance principle is proposed.
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.
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.
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.
脉冲重复频率平均为81。
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.
本文提出一种利用脉冲激光产生可重复的宽带标准声源、对超声换能器的速度灵敏度进行标定的新方法—激光超声法。
A new method for calibration of velocity sensitivity of ultrasonic transducers with a wide band standard acoustic source generated by a pulsed laser is proposed.
高重复频率脉冲激光高达240千赫。
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.
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.
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.
着重研究了抽运功率、腔长、输出镜透过率以及初始透过率等因素对激光输出脉冲序列的重复率、脉冲宽度以及输出功率的影响。
The focus is given to the influence of pumping power, cavity length, the output coupler transmission and initial transmission on the repetition rate, pulse width and output power of laser output.
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