A novel method for obtaining a single shot multi-point high dynamic range pulse contrast measurement is presented.
文章提出了一种新的信噪比单次测量方法来获得高的动态范围。
Called LADAR, the technology works in a similar way to radar, calculating the range of an object from the time it takes for a pulse to reach it and then be reflected back.
这种技术被称作LADAR,它的原理和雷达差不多,都是通过计算脉冲到达一个物体并返回所用的时间来确定物体的大小。
We suggest that these extra pressure range is because many of the system, especially the water pressure and process control, have pressure peak or continuous pulse.
我们建议的这些额外的压力范围是由于许多的系统,特别是水压和过程控制,有压力尖峰或者连续的脉冲。
But the step motor efficiency is low, the ability is not big, load drag pulse equivalent cannot too big, speed range is not big.
但步进电机的效率低,拖动负载的能力不大,脉冲当量不能太大,调速范围不大。
Pulse width and frequency can be adjustable in succession within the range of the fixed one.
该电源输出脉冲电流的幅值、脉宽和频率都可以在规定的范围内连续可调。
ZMLT series Pulse Jet Cartridge Filter is the column Dust Collector which can be use in a much more higher air volume range.
简介:ZMLT系列脉冲滤筒式除尘器是一种风量应用范围较大的矩形除尘器,应用于操作压力要求不高的条件下。
Because of built-in PWM circuit (pulse width modulation circuit), dimming range is wider than earlier type products.
因使用PWM(脉冲宽度调制)电路,产品具有较宽的调光范围。
The article gives a design scheme of linear laser receiver with narrow pulse width and large dynamic range which is proved to be effective in a practical project.
提出了一套线性接收系统的设计方案,特点是动态范围大、脉冲宽度窄。依据此方案设计出来的接收机在实用中显示出了良好的性能。
Novel method for maximum range measure of pulse laser range finder.
脉冲激光测距机最大测程测试方法研究。
Random pulse width modulation technique can be used to distribute voltage harmonics over a wide frequency range and to realize the reduction of acoustic noise and vibration.
随机脉宽调制技术可以使逆变器输出电压的谐波成分均匀地分布在一个较宽的频率范围内,达到抑制噪声和机械振动的目的。
Responsible for the acquisition of external signals, as people's eyes, when a moving object into its work range, it will give the main controller a pulse signal.
负责采集外部信号,如同人们的眼睛,当有移动的物体进入它的工作范围时,它就给主控制器一个脉冲信号。
The article calculates the mean square root values of pulse noise, observational dynamic range and power spectrum of ground noise of all seismic station bases.
得出了各地震台台基的脉动噪声的均方根值、观测动态范围、地噪声功率谱。
There exist ambiguities of range and velocity in the signal detection of pulse Doppler radar.
脉冲多普勒雷达在信号检测时存在距离模糊和速度模糊的问题。
In comparison with the DC measurement, We find that the heat effect can be avoided successfully over a great range of current in the pulse measurement.
和直流测量结果比较后发现,脉冲测量能有效地消除直流测量中无法避免的热效应。
Research results show that the combined detecting system possesses fine pulse compression performance, range cut-off characteristic and the superiority which other radar signals are not provided with.
结果证明这种复合探测系统具有很好的脉冲压缩性能、距离截止特性及其它雷达信号不可替代的优越性。
A method of phase code named SZ code to mitigate range ambiguity applied on a pulse Doppler weather radar is introduced.
描述一种被称为SZ相位编码的解距离模糊方法在脉冲多普勒气象雷达中的应用。
The radar range recursion filter formula, which is widely used in present radars, for linear frequency modulated pulse compression signal, has not been formed yet.
在现代雷达中,得到广泛应用的线性调频脉冲压缩信号的雷达距离数据递推器公式还未建立。
It can be used to measure the peak power of diode laser directly. with the characters of digital display, high accuracy, large power range, wide pulse width and output port of waveform monitor.
它可直接应用于脉冲半导体激光峰值功率测试,并数字显示。具有中间环节少、测量精度高、适用功率范围大、脉宽范围宽,具有波形监测接口等特点。
The scheme accomplishes range tracking by adopting three range gate tracking to make middle gate always centered at echo pulse center through feedback circuit and deviation calculation circuit.
该方案采用三波门跟踪,通过偏差计算电路和反馈控制电路使中间波门中心始终对准目标回波脉冲中心,完成距离跟踪。
Suitable for blocking, by-pass and coupling of DC and signals to VHF range. Widely used in filter, noise suppression and low pulse Circuits.
适用于直流和VHF级信号的隔直流、旁路、祸合以及滤波、降噪、低脉冲电路。
The characteristics of the dye laser, such as bandwidth, output power, efficiency, pulse duration, tuning range, spectral purity and frequency stability etc, are measured in details.
详细测量了染料激光的性能,如线宽、功率、效率、脉宽、调谐范围、光谱纯度和光束质量等。
The authors give a novel conception that in order to increase the cooling capacity of a pulse tube refrigerator at 80K temperature range, refrigerant mixtures are introduced instead of pure helium.
提出了采用合适的混合工质代替纯质氦以提高脉管制冷机在80K温区制冷量的新构思。
Moreover, the pulse compression radar has been widely used in practice because of its far detection range and good range resolution.
此外,为了解决雷达作用距离和距离分辨力之间的矛盾,脉冲压缩机技术在现代雷达系统中被广泛采用。
To improve the range resolution of Mono-Pulse Train (MPT), the linear step frequency signal is introduced and used widely in modern radars.
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。
The working principle and photoelectricity characteristics of the pulse laser range system are introduced.
简要介绍了脉冲激光测距的工作原理及其光电特性。
This paper presented a new type equipment for measuring distance using the method of pulse extended range.
本文提出一种利用脉冲扩程的测距装置。
An acoustic-emission pulse contains a very wide range of frequency components, extending up into the megacycle range.
声发射脉冲就包含一个很宽的频率组成范围,可扩展到兆赫。
Comparing with the differential range method that early radar adoptive for measuring velocity, the radar, which based on Pulse-Doppler theory, has the better real time capability and high precision.
与早期雷达采用距离微分方法测速相比,基于脉冲多普勒理论的雷达测速技术具有实时性好、精度高等优点。
Comparing with the differential range method that early radar adoptive for measuring velocity, the radar, which based on Pulse-Doppler theory, has the better real time capability and high precision.
与早期雷达采用距离微分方法测速相比,基于脉冲多普勒理论的雷达测速技术具有实时性好、精度高等优点。
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