The second local frequency signal is provided by an integer-divider after PLL output.
二次变频的本振信号由PLL的输出信号经整数分频得到。
We refer the formation of coherent patterns to local frequency shift of chemical waves induced by the inhomogeneity.
我们将有序斑图形成的原因归结为缺陷导致的化学波频率的改变。
In this paper, a new bilateral registration measurement based on regional information and local frequency information is presented.
提出了一种新的基于区域互信息和局部频率信息结合的双向图像配准测度。
The underestimation of phase slope was overcome via local frequency estimation. The FEM could easily handle any irregular shape problem domain.
引入局部频率估计解决了相位展开的“坡度欠估计”问题,使用有限元方法利用了其可以适应任意不规则区域求解的特性。
Based on element local frequency change ratio method and element modal strain energy ratio method, numerical study is carried on to detect the damage of the bridge.
利用单元局部频率变化率法和单元模态应变能比法,对连续梁桥进行了损伤诊断的数值模拟研究。
Generalized into local frequency from integral frequency, the method of joint time-frequency distribution effectively analyzes the signal based on the variation of frequency with time.
联合时频分布方法把整体频谱推广到局部频率,根据频率随着时间的变化情况,对信号进行有效的分析。
Secondly, a theory that can automatically adjust the action frequency of UFLS device is applied. UFLS device can adjust setting value by maximal and minimum final value of local frequency.
其次,提出了一种自动调整低频减载装置动作频率值的理论,低频减载装置将根据局部频率最大终值和最小终值来改变其设定值。
The' main factors resulting in local frequency tracking error are analyzed based on the principles of the tracking local oscillator for frequency agile radars of rotary tuning magnetron type.
本文从旋转变频磁控管式频率捷变雷达的本振频率跟踪原理出发,分析了产生本振频率跟踪误差的主要因素。
And local newspapers have for years bemoaned the decline of branch services and bus frequency.
当地一家报纸多年来一直抱怨服务网点和公交车发车频率的不断减少。
Greater frequency of droughts and floods would affect local production negatively, especially in subsistence sectors at low latitudes, Dr. Diouf added.
迪乌夫博士进一步指出,越来越频繁的旱灾和洪涝将给当地生产造成不利影响,尤其在低纬度地区的维持生计部门。
Frequency of cleaning depends on local water conditions.
清洗的频率要根据当地的水质情况。
In this paper, the step frequency response equation of optical-region radar target is firstly established by using theories of multiple scattering centers and local resonance.
本文首先根据多散射中心理论与局部谐振原理,建立了雷达目标在光学区阶梯频率波形激励下的响应方程。
Such natural and anthropogenic characteristics are likely to increase the frequency of local bottlenecks and extinctions.
这些自然和人为的特点似乎能增加种群的局部瓶颈和灭绝的频率。
In this paper, a method for shifting the natural frequency of a structure to a desired value by modifying the local stiffness and mass parameters is proposed.
本文对修改结构局部刚度和质量参数,从而使其具有给定固有频率的动力修改问题提出了一种求解方法。
It USES Radio Frequency technology, instead of old local area network with twisted-pair copper wire, and makes the wireless local area network use simple architecture which allows users to access.
它利用射频的技术,取代旧式的双绞铜线所构成的局域网络,使得无线局域网络能利用简单的存取架构让用户透过。
Single frequency source is usually used as local oscillator in communication system and radar system, also as a reference clock in digital circuits, so it is a extensive-applied technique.
固定频率源可以在在通讯系统和雷达系统中作为本机振荡器,也可以作为数字电路的基准时钟信号,因此得到了广泛的应用。
Frequency Synthesizer (FS) is a very important block, which is used in a wireless transceiver as a local oscillator for frequency translation and channel selection.
频率合成器是射频收发机中非常重要的模块,是用于频率转换和频道选择的本地振荡源。
Finally, these judged variables adjust the local oscillating frequency to track the carrier frequency by NCO.
最后用这些变量调节本地振荡频率,以跟踪载波频率。
In wireless communication system, there is a large frequency bias between carrier frequency and local oscillating frequency. AFC is contributed to eliminate it.
在无线移动通信中,接收机的本地振荡频率和载波频率之间往往存在较大的频率偏差,AFC用于克服此频偏。
Based on the characteristics of topology and storage nodes of local distributed storage systems, a new Frequency Based Dynamic Replica (FBDR) strategy is proposed.
针对本地分布式存储系统的拓扑结构与存储组成单元的特性,提出了一种基于频度的动态副本算法FBDR。
A fast algorithm for calculating local statistics in frequency domain is presented in this paper.
本文提出了一种新的在频域中计算局部统计量的快速算法。
The local energy and instantaneous frequency of the signal can be derived from the IMFs.
信号的局部能量和瞬时频率都可以从其本征模函数中推导出来。
When exported to other countries and regions, equipment according to the local power grid electricity standards and to make corresponding changes, just a frequency converter device.
当销往其他国家和地区时,设备因应本地电网用电标准而做相应改动,只需设备一台变频器即可。
The design of direct digital frequency synthesizer(DDFS)in the way of local carrier demodulation is mainly introduced.
文章重点讨论了本地载波解调中的直接数字频率合成器(DDFS)模块的设计。
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。
This algorithm takes local modem both for spatial domain and frequency domain, therefore it is efficient for instable process, too.
这种算法对于时域或频域的考察都采取局部的方式,所以对于非平稳过程也一样十分有效。
Dynamic CPU frequency setting can partly save the power in local computing.
对节点的本地计算,CPU频率的动态调节可以部分地节约能量。
Cable local vibration has little effect on the modal frequency, but more on the modal energy distribution.
索的局部振动虽然对结构主要振型的频率影响不大,但对振型能量分布有比较明显的影响。
Cable local vibration has little effect on the modal frequency, but more on the modal energy distribution.
索的局部振动虽然对结构主要振型的频率影响不大,但对振型能量分布有比较明显的影响。
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