The timing, objects, selection frequency and specific data are defined by a measurement task.
一个测量任务规定了什么时间、对哪些对象、以怎样的周期进行采集什么样的数据。
The selection of measurement bandwidth in time domain frequency stability is discussed.
讨论了频率稳定度时域测量带宽如何选择的问题。
The problems about the selection of excitation signal, limits of measurement frequency and noise influence have been discussed.
最后还讨论了时域法测量电极阻抗的激励信号的选择、测量频率上、下极限和噪声影响等问题。
In the improved algorithm in this paper, using frequency as the heuristic information of attributes selection, getting frequency of attributes from the filtered discernibility matrix.
论文的改进算法以属性的频率作为选择属性的启发信息，由过滤差别矩阵得到属性的频率。
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。
Calling a registered frequency when the Automatic frequency Selection function is not used. This example calls a frequency channel 01.
不使用自动频率选择功能时，调出已登记的频率。该例调出01频道的频率。
Selection of transducer type, footprint size, and frequency are critical to successful nerve block performance.
传感器类型，占用空间大小，频率的选择是成功神经阻滞的关键。
Through cases of animal tracking and medicine management, this paper illustrates the issues we should consider in frequency selection.
本文通过动物跟踪和药品管理两个应用案例，阐述了在选择频率时必须考虑的问题。
It pointed selection principle of stepping motor, and divisions of starting and running frequency range.
指出了步进电机的选择原则、动和运行频率区段的划分。
Aiming at the uncertainty of weights selection in the weighting orthogonal frequency division multiplexing system, a performance analysis method for carrier blind synchronization is proposed.
针对载波加权正交频分复用系统中权值选择的不确定性，提出了一种载频盲同步的性能分析方法。
At last, discusses the algorithm selection of software antenna according to frequency extension.
最后对考虑频率扩展时软件天线算法的选择问题进行了讨论。
The author also makes some Suggestions for frequency selection of digital carrier and parameters selection of spectrum shaping filter.
对数字载波的频率及频谱成形滤波器的特性参数的选择提出了建议。
Detection frequency of straight probe and selection of K value for tilting probe are discussed .
对直探头探测频率及斜探头K值选择进行了简单论述；
Then it introduces the modeling method of frequency selection channel in mobile transmission environment. It also gives the model hardware implementation architecture and simulation results.
其次重点研究了移动传播环境的频率选择性信道的建摸方法，并给出了模型的硬件实现结构和仿真结果。
In regard to the selection of media, the advertiser should select and combine the media with appropriate time and frequency according to the difference among products and media.
在媒体的选择上，要针对不同产品、不同媒体的特点进行媒体选择和媒体组合，并以适当的时间恰当的频率进行刊播；
This work can be guidance of selection for the length of the capillary and the working frequency of the transducer.
这对实际键合中，换能系统末端的劈刀安装长度的选择以及换能杆工作频率的选择有指导意义。
The result indicate that population gene frequency variety expedite by selection and the test testify green-shell character is controled by a pair of complete dominant allele.
选择加快了群体基因频率的改变，青壳蛋性状确为由一对主效基因控制的完全显性遗传性状。
The generator of adaptive FH pattern is designed. By using it and the result of the LQA, adaptive frequency selection is accomplished.
设计了自适应跳频图案发生器，利用信道质量评估结果，完成了自适应频率选择。
The distribution form and the selection methods in low flow frequency analysis were introduced.
介绍枯水频率分析中的常用线型以及频率分布线型的选择方法。
With this medium, soft, transparent callus can be induced from immature embryos of embryo selection or tissue and organ differentiation stages. The induction frequency was 2-6%.
以该配方诱导幼胚，处于胚胎选择阶段和组织与器官分化阶段的幼胚，能诱导出松软、晶莹透明的愈伤，诱导频率为2-6％。
On feature selection, document frequency was combined with mutual information, and performance was improved.
特征选择的方法上，结合了文档频数和互信息量，并对他们进行了改进。
This text is chiefly directed against the selection of variable frequency motor and inverter in the lathe numerical control rebuilding, and the lectotype of converter is analyzed.
本文主要针对车床数控化改造中变频电动机的选择、频器的选型进行分析。
This paper is involved in the analysis of oscillation starting condition, output voltage amplitude adjustment, and frequency selection network composition of sinusoidal coave oscillation circuit.
分析了用运算放大器组成正弦波振荡电路的起振条件和输出电压幅值的调节及选频网络的构成。
The core part of the circuit is differential and frequency selection.
电路核心部分由微分电路和选频电路组成。
One of the crucial techniques in burst communication is adaptive frequency selection.
在这种通信任式中，一个关键技术是自适应选频技术。
Those parameters include the number of subpopulations, migration frequency, migration rates, migration selection strategies and the communication styles, etc.
这些参数包括：子种群数目、迁移率、迁移规模、迁移选择策略和通信方式等。
The selection principles of DAQ card are proposed on the basis of analyzing the LC frequency characteristics.
在分析泄漏电流频率特性的基础上，提出了数据采集卡的选取原则。
The selection of the insulator applied for a large power very low frequency transmitting antenna were studied.
本文对大功率甚低频发射天线用绝缘子的选型进行了研究。
The selection of the insulator applied for a large power very low frequency transmitting antenna were studied.
本文对大功率甚低频发射天线用绝缘子的选型进行了研究。
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