线性调频连续波雷达是一种通过对连续波进行频率调制来获得距离与速度信息的雷达体制。
LFMCW (Linear frequency Modulation continuous wave) radar is a radar system which can get the information of range and velocity through modulating the frequency of continuous wave.
从理论上给出了密立根油滴实验中油滴下落达到终极速度前的下落距离与速度之间的函数关系;
In this essay, the function relation between the velovity and the distance of the oil drop before it got the ultimate velovity was given.
由于P波和S 波以不同但相当恒定的速度传播,它们到达的间隔与到震源或初始破裂点的距离成比例地增加。
Because P and S waves travel at different but fairly constant speeds, the interval between their arrivals increases in proportion to the distance from the earthquake focus, or initial rupture point.
许多跑步者借助他们的GPS表不刷新自己速度与距离。
Many runners swear by their GPS watches that constantly update pace and distance.
其中,速度表示星系后退的速度,H0为哈勃常数,也即宇宙膨胀速率的参数,而距离指的是星系与相比较星系之间的距离。
H0 is the Hubble constant, or parameter that indicates the rate at which the universe is expanding; and distance is the galaxy's distance from the one with which it's being compared.
贝尔格莱德与萨拉热窝之间距离200公里,坐飞机只需45分钟,如果不是那种以螺旋浆推进的飞机,速度会更快。
The daily flight between Belgrade and Sarajevo takes 45 minutes to cover the 200-odd kilometres; it would be quicker in a plane that was not propellor-powered.
需要声明的是,在上述表达式中,我用a表示跳楼者的最大加速度。此外,我还假设跳楼者完全停下所经过的距离与整个下落距离相比可以忽略不计。
Just to be clear, I am putting the maximum acceleration in for a. Also, I have made the assumption that the stopping distance (s) is small compared to the jumping height.
这个能量释放的不平衡,与很多工艺参数密切相关,如等离子弧压缩程度、切割速度及喷嘴到工件的距离等。
This energy release imbalance, closely related with many process parameters, such as plasma arc compression degree, cutting speed and nozzle to the distance, etc.
而冥王星的距离,是水星的一百倍,那么它的引力与向心加速度,均是水星的一万分之一。
So if you are 100 times further away like Pluto compared to Mercury then the gravitational... the centripetal acceleration which is due to gravity is 10,000 times smaller.
速度等于距离与时间之比。
面料与火,两个在印象中仿佛永远不能和谐接触的事物,却在这通过速度和距离的精细控制,演绎品质升华的过程。
Fabric and flame seem impossible to exist in harmony, but here, with fine control of flame by appropriate speed and interval, the quality of the fabric is greatly improved.
速度是距离的改变与时间之间的比率。
通过对击球瞬间挥拍速度与被击出的球飞出距离的关系进行了实验研究。
The relationship between the instant speed of swing during smash and the bounce distance of the ball hit were studied by experiment.
新媒体缩短了体育运动与社会之间的距离、加大了体育运动传播的社会覆盖面、加快了体育传播速度。
The new media has shortened the distance between sports and society, enlarged the social coverage of sports, and accelerated the sports propagation speed.
通过两种不同计算,得到气固速度比与固粒群的加速区的运动时间和距离的关系。
Though adopting two different calculation, the relation of initial gas and particle velocity ratio and movement time and kinematic range in accelerating zone was gained.
波在某段距离传播的时间,与速度的倒数成正比,在声测井中,以每英尺多少毫秒来量度,用符号t或DT表示。
The amount of time for a wave to travel a certain distance, proportional to the reciprocal of velocity, typically measured in microseconds per foot by an acoustic log and symbolized by tor DT.
结果发现,挥拍速度与球的飞出距离两变量间存在强相关关系。
The results showed that there was close relation between the two variables of swing speed and the bounce distance of the ball.
涌流型浊流的流体厚度及速度与搬运距离和底坡成正比;
The flow height and velocity of surge-type turbidity current is proportional to the motion distance and under slope.
首先,高温下常规土酸与地层矿物反应速度极快,酸液有效作用距离短,活性酸不能到达地层深部;
First, the speed of the reaction between mud acid and rock is very fast, the effective distance of acid is short, active acid can not reach deep formation.
时间果断地向前挺进,而我还在过去犹豫徘徊,由于逆向行驶,我与时间的距离以双倍的速度在增长。
It rolls on with no hesitation, while I'm still lingering in the past, which lengthens our distance twice the usual speed, as we move in opposite directions.
如果我们已知介质中横波与纵波速度的比值、水平界面的埋藏深度和炮检距,炮点到共转换点的水平距离就可以通过解一个四次方程求出。
Given the velocity ratio of S-to P-waves, the depth of reflector and the offset, the horizontal distance between source and the converting point can be determined by solving a quartic equation.
并提出了最佳的指数范围和速度距离曲线,从而为短跑教学与训练提供参考。
We put forward the best index range and speed distance curve, thus providing some references and advises in sprint training and teaching.
长距离铁路运输与空运和海运的区别在于成本和速度。
Long distance rail cargo splits the difference between airplane and boat delivery in terms of price and speed.
例如,随着车辆行驶速度的增加,车辆驾驶者的眼睛与所述正立等大空间图像之间的距离也增加。
For example, as the vehicle travel speed increases, the distance between the vehicle driver's eyes and the erecting magnification space image is increased.
距离的两倍与时间的平方的最佳拟合曲线的斜率就是重力加速度。
The slope of the best fit line for distance doubled and time squared gives the acceleration due to gravity.
弯曲的表面可以集中阳光从而加速凹陷处的升华速度,逐渐地与高处拉开距离,这样一来就形成了一片高耸的冰峰森林。
The curved surfaces then concentrate sunlight and speed up sublimation in the depressions, leaving the higher points behind as forests of towering spikes.
结果显示在高模态及振源影响下表面波有效相速度不仅与频率有关,而且与传播距离有关。
The results indicate that influenced by higher modes and the source, the effective phase velocity is related to frequency as well as the distance from the source.
结果显示在高模态及振源影响下表面波有效相速度不仅与频率有关,而且与传播距离有关。
The results indicate that influenced by higher modes and the source, the effective phase velocity is related to frequency as well as the distance from the source.
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