Geometrical optics approach can only calculate the high frequency approach solution of drilling bit vibration source wave equation in non caustic area but it become invalid in caustic area.
由于几何光学法求解钻头震源波动方程的高频近似解有局限性,即在焦散区失效,故只能计算非焦散区的高频近似解。
Because of the decoupled approach we discussed above, this does not have an impact on the frequency with which the service request against the target can be executed.
因为使用了我们前面讨论过的完全分离的方式,所以这不会对针对目标的、能够执行的服务请求的频率产生影响。
This approach to enter the special characters of some high frequency is very effective.
这种方法对输入某些出现频率较高的特殊字符非常有效。
A theoretical approach analyzing electrical performance for dielectric loaded du al-layer Frequency Selective Surface (FSS) configuration with dissimilar lattice and element geometries is proposed.
提出了一种研究不同栅格及单元外形并有介质加载的双层频率选择表面(FSS)电性能的理论分析方法。
Based on rough set theory, a rule inference approach of integrating the importance of attributes with the emergence frequency of attribute value is proposed.
提出一种基于粗集理论的,把属性的重要性和属性值的出现频率综合起来进行规则推理的方法。
The feed management system is made up of feed type, feed level, feeding frequency and feed delivery approach.
由饲料种类、投饲量、投饲频率以及投饲方法等构成了饲料管理技术体系;
Another proposed approach in this architecture is the behavior of this protocol when no frequency was found by the satellite in the intersection of the two free frequency sets.
在这个结构中提出的另一个方法是协议的性能,当卫星没有在两个未被占用的频率集的交集中没有频率时。
A numerical simulation approach analyzing electromagnetic characteristics for dielectric-loaded double-layer frequency selective surfaces (FSS) with dissimilar lattice geometries is presented.
给出了一种分析有介质加载的不同栅格外形双层频率选择表面电磁特性的数值模拟方法。
The approach is relatively simple and can be used to design the filters with specific notch frequency and bandwidth.
在给定槽口频率和带宽的滤波器的设计中,该方法不仅可行而且简单。
This approach the problem of conquers phase excursion and frequency drift that anciently adopts fixed frequency filter and its frame is simple.
这种方法克服了以往采用固定频率滤波器带来的相移和频率漂移问题,而且结构简单。
Estimation of Doppler central frequency has an important effect to accuracy of fixed position in the fixing approach with no reference points for ocean SAR.
在无参考点海洋sar定位方法中,多普勒中心频率估计对定位精度有着重要的影响。
Objective: To approach the feasibility of the three-dimensional positioning and navigation with regular catheter electrodes in intracavitary with a low-frequency electrical field.
目的:探讨基于低频电场方式进行心腔内三维定位导航及心内膜重构的可行性。
Empirical research design on earnings management includes aggregate accruals models, specific accrual models and frequency distribution approach.
盈余管理实证研究方法主要包括总体应计模型、特定应计模型和频率分布方法。
A new approach is presented for feature extraction from sound signals generated by the structure sound radiation in frequency domain using modal frequency.
提出了一种基于模态频率的声信号频域特征信息提取方法,并将该方法用于堆垛机结构的冲击载荷分类识别研究。
This paper gives some complementary pictures of the time domain approach and the frequency domain approach in system identification.
本文给出时域辨识与频域辨识相互补充的一些事实。
The reasons of low detection accuracy are analyzed in detail and the improved methods are proposed. A fault detection approach based on frequency distance comparison is presented.
通过对造成电动机断条故障检测准确度不高的各种原因进行深入的分析,针对这些原因提出了具体的改进方法,并提出了一种基于频距比较的故障检测新方法。
The SCP of backscattering signals approach the emissive center frequency with increase of ages.
随年龄的增大,质心位置越接近于发射超声的中心频率。
An adaptive iterative learning control approach is proposed for a class of single input, single output uncertain nonlinear systems with completely unknown high frequency learning gain.
针对一类单输入单输出不确定非线性重复跟踪系统,提出一种基于完全未知高频反馈增益的自适应迭代学习控制。
A new control approach is presented with a "local strain compensation" and a low cutoff frequency inertial link feedback in place of the differential one.
提出了“局部激励应变补偿”和把通常的微分负反馈改为低截止频率的惯性环节正反馈的控制新方案。
By investigating the code space in frequency domain and the data vector space of the multipath signals, the noise-subspace-based approach is used to perform blind channel estimation.
通过研究多径信号频域码空间和数据矢量空间,采用噪声子空间技术进行盲信道估计。
A simple approach is presented to analyse a typical high frequency transistor stage.
本文介绍一种简便分析典型晶体管高频电路的方法。
MA method, a novel MPS (minimum power sum) approach based on a distributed NSCs is proposed after the frequency selective property of wireless channels is considered.
MA计算复杂度较高,在充分挖掘无线信道频率选择性特点基础之上,我们提出了一种新的分布式零载波的最小功率和方法。
In this paper the realization approach of X-band four-frequency multiplier microstrip structure is discussed mainly.
本文主要讨论x波段四倍频器微带结构的实现途径。
Regional flood frequency analysis is a useful approach method that avoids the shortness of at-site sample series and estimates design flood for un-gauged area.
区域频率分析能充分利用相似流域组的资料来扩充信息量,克服单站样本系列资料短缺的局限,解决无资料地区设计洪水的估算问题。
The method utilizes an AR model to approach the frequency response of the clutter spectrum "inverted" ideal band-pass filter, and then implements the design of optimal FIR filter.
该方法利用AR模型逼近杂波谱“倒置”理想带通滤波器的频率响应,实现了最优FIR滤波器的设计。
For the convenience of time -domain convolution, the vector fitting method is adopted to approach the characteristic impedance and delay function in complex frequency-domain.
为了便于时域卷积,对不同模量上的特征阻抗和延时函数在复频域采用矢量匹配法进行拟合。
In this paper, an adaptively weighed method based approach is proposed for data compression of complex-valued SAR images in frequency domain.
该文提出了一种基于自适应加权方法的复值SAR图像的频域压缩改进算法。
Based on the principle of micro frequency changing phase shift, a new approach for RF phase calibration is proposed.
根据微差变频移相原理,提出了一种射频相位校准的新方法。
Based on the principle of micro frequency changing phase shift, a new approach for RF phase calibration is proposed.
根据微差变频移相原理,提出了一种射频相位校准的新方法。
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