查询词典 numerical system

At the same time, based on numerical simulation, the method of determining the appropriate emitter discharge was proposed for drip irrigation system.

为了提高微压滴灌系统的设计精度，保证系统的灌溉质量，研究了滴灌系统技术参数对系统灌溉质量的影响，初。。。

Through theoretical analysis, experimental research and numerical simulation, this thesis studied not only in the micro-pressure drip irrigation system itself, but also the effects of micro-pressure drip irrigation to soil water movement and crop growth.

本文正是围绕目前微压滴灌技术存在的一些问题，对微压滴灌技术的应用问题作了大量的基础性研究。

Numerical simulations show that velocity and current direction both have a great influence on dynamic behavior of the entire deep-ocean mining system.

仿真结果表明，联动速度及海流方向对于整体系统联动特性有很大影响，为采矿系统的设计和开采作业的联动控制提供理论依据和技术参考。

Compared with the classical linear system identification methods, SMI methods are attractive not only because of their numerical simplicity and stability, but also their availabilities for the state space form.

和传统的线性建模方法相比，SMI的优势不仅在于算法本身的简单可靠，也在于它的状态空间表达。

The dynamic responses of caisson breakwaters under breaking wave impact are studied, a dynamic analysis model with a mass-damper-spring system is founded and a numerical analysis method is developed to simulate the four types of possible motions of caisson breakwaters.

对近破波作用下沉箱式防波堤的动力响应进行研究，建立了质量—弹簧—阻尼器的动力分析模型和沉箱式防波堤四种可能运动形式的数值模拟方法； 2。

Numerical analysis of the influence of temperature and excitations on the system is carried out.

分析温度、激励等对系统主共振－主参数共振的影响。

The effect of local oscillator phase noise on the performance of digital transmission employing 16QAM in practical system is investigated, and the numerical result of simulation is presented.

最后结合实际系统分析了本振信号相位噪声对基带接收机16QAM 解调误码性能的影响，并给出计算机仿真的结果。

With FDDA method, the precipitation echo reflectivity field gained by observation and three dimension wind field as well as other parameters obtained by retrieval are put into the usual mesoscale or smallscale numerical model, so that the inner structure of mesoscale or smallscale weather system is better researched and precipitation is estimated more exactly.

2利用四维同化方法，将单多普勒天气雷达观测得到的降水回波的反射率场以及用反演技术得到的三维风场及其它变量，加入到通用的中小尺度数值模式中，以便更好地研究中小尺度天气系统的内部结构，预测其演变，并提供更精确的降水估计。

The influences of seasonal factor on the safety of grounding system were analyzed in numerical method.

因为网孔电压是发变电站内最严重的接触电压，在本文的分析中都是采用网孔电压来代替接触电压［1］。

In this thesis,a numerical simulation for the flow field around the seat/occupant ejection seat system which acts an important role in the analysis and calculation of stability and flight line and savinglife is evaluated using full compressible N-S equation.

本文通过求解全可压N-S方程对二维弹射座椅人/椅系统的外流场进行了计算。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐