frequency studies
英 [ˈfriːkwənsi ˈstʌdiz]
美 [ˈfriːkwənsi ˈstʌdiz]
【经】频率研究
双语例句
- Investigation of Fingertip Vascular Changes in Patients with Systemic Lupus Erythematosus by High Frequency Ultrasonography in Combination with Quantitative Studies of Blood Flow
高频超声结合血流定量技术评价系统性红斑狼疮患者指端微血管病变 - Based on the introduction of high frequency induction infrared absorption, this paper studies its application on the sulphur content determination in tungsten concentrate.
本方法采用高频感应红外吸收法测定钨精矿中硫含量。 - According to multivariable frequency design theory, this paper studies the coupling between a guided bombs yawing and rolling channels by relative gain.
文中从制导炸弹的侧向扰动运动方程出发，根据多变量频率设计理论，用相对增益法，研究了制导炸弹航向和滚转通道的交联耦合。 - The Analysis of the Harmonics of the SPWM Three-phase Frequency Inverter Circuit; STUDIES ON 8mm SECOND HARMONIC GYROKLYSTRON AMPLIFIER
SPWM三相变频调速电路的谐波分析8mm二次谐波回旋速调放大器的研究 - For inter-carrier interference ( ICI) due to frequency offsets, this paper studies a new ICI self-cancellation scheme for combating the impact of ICI on OFDM systems.
针对频偏引起的正交频分复用（OFDM）系统中载波间干扰（ICI）的问题，提出一种改进的ICI自消除方案。 - It first introduces the linguistic theories that explain the frequency effects and then comments on the studies exploring task frequency effects.
首先介绍了语言学不同理论对频次作用的解释，然后评述了国外该领域的实证研究。 - Second, the theory and technological means of the fault line selection based on the zero sequence power direction of transient fundamental frequency are introduced, and some experimental studies with physical simulation model in a laboratory are done.
随后，论文介绍了基于基波零序暂态功率方向的接地选线装置的原理、结构及采用的技术方法，并进行了实验室物理模拟实验研究。 - A Fast Test System for Frequency Characteristic& Studies on the Third Generation of ATS
快速频率特性测试系统&第三代自动测试系统的研究 - Though much research has been done on the positions of frequency adverbs ( FAs), statistical studies of the frequency adverbs positions are still insufficient.
尽管频率副词位置相关研究不在少数，但是基于语料库的统计分析并不充分。 - The frequency distribution of TPMT activity in Caucasian population studies is trimodal: 0.3% subjects have undetectable activity, 11% have intermediate activity and 89% inherit high enzyme activity.
在白种人中TPMT活性呈三态分布：0.3%呈无活性，11%中等活性，其余为高酶活性。 - Based on the high frequency force balance technique, systematical studies of the along wind dynamic interference effects on two and three tall buildings with different sizes were carried out.
基于高频底座力天平技术，研究了不同宽度比的两个和三个建筑物间的顺风向动力干扰效应。 - High frequency vibration studies for wheel-rail rolling contact
轮轨滚动接触高频振动的研究 - According to the above conclusion, the paper studies electric control system of belt conveyor applying with frequency converter, introduces component of system, and studies flow chart of PLC program of soft-start, power saving and balance of power.
根据以上分析结论，论文研究了带式输送机变频调速自动控制系统，给出了系统组成框图，并建立了软起动、节能调速和功率平衡的PLc控制程序流程； - Bubble Formation Frequency Studies in a Single-Jet Gas-solid Fluidized Bed
气固流化床气泡发生频率的研究 - The application of frequency spectral analysis of logging curves on sedimentary cycle studies in coal-bearing strata
测井曲线频谱分析在含煤地层沉积旋回研究中的应用 - In the frequency domain pilot channel estimation, this thesis studies the pilot subcarrier and data subcarrier channel estimation algorithms.
在基于频域导频的信道估计中，研究了导频子载波处的信道估计方法和数据子载波处的信道估计方法。 - The cooperation frequency for empirical study is higher than that for non-empirical studies, overseas empirical researchers incline to conduct much more cooperation research than domestic empirical researchers;
从事实证研究的教育研究者合作频率比其他研究的教育研究者的合作频率更高，而且国外进行实证研究的教育研究者比国内实证研究者更倾向于进行合作研究； - By the analysis method of frequency degree in the paper, the urite studies the choosing clothes standards, when the middle-aged people in Dandong and Chaoyang buy clothes.
本文采用频度分析方法对朝阳市和丹东市中年人购买服装选择标准进行了调查研究。 - This paper sets out to review the standpoints different SLA theories hold towards frequency effects and the relevant empirical studies, and comes to the conclusion that frequency plays a very important role in the learning of a second language.
本文通过研究各种二语习得理论对频率效应的论述及相关实证，力图探索频率效应在二语习得中的重要作用。 - In order to synthesize the affective speech, this paper focuses on the fundamental frequency ( F0) of affective speech and studies affective speech modeling based on F0 and affective speech synthesizer with the intonation-rules guidance, and some other related algorithms.
本文以情感语音的基频特征为主要研究对象，以合成情感语音为主要研究目标，对基于基频特征的情感语音建模以及情感语调规则指导下的情感语音合成器设计等问题进行了较深入的研究。 - In order to promote the frequency of rice transformation mediated by Agrobacterium, studies on ear and induction frequency of mature embryo's calli of japonica variety Taibei 309, and the effects on transformation frequency of calli by particle bombardment were made.
为了提高农杆菌转化水稻的频率，对粳稻品种台北309的幼穗和成熟胚的愈伤组织诱导频率和粒子轰击时其愈伤组织转化频率的影响进行了研究。 - A unified frequency and duration approach to power system reliability studies
统一频率及持续时间法研究电力系统可靠性 - Investigation of a Semi-quantitative Food Frequency Questionnaire for Dietary Studies in Chongqing Adult People and the Collection of Case-control Specimens for Colorectal Cancers
重庆地区人群营养膳食半定量食物频数问卷的制定与结直肠癌病例&对照标本库的建立 - The wavelet transform is a tool that cuts up signal into different frequency components, and then studies each component with a resolution matched to its scale.
小波变换将信号分解到各个频段，每个尺度对应着一种频率分辨率，人们可以分别分析各个尺度上的信号。 - The precision and the accurateness of the atomic clock frequency standard have attracted a lot of interests and studies, with the development of space technology, the demands for the precision of frequency and clock standard will be higher.
原子钟频标的准确性与精确性引起广泛的关注和研究，随着空间技术的发展，各国对频标和时间基准的准确度要求是越来越高。 - By imposing earthquake wave records of different frequency spectrum property of Baishui Bridge, it studies the connection between the structural earthquake response and the input earthquake wave frequency spectrum.
通过对白水大桥施加不同频谱成分的地震波记录，以研究结构地震响应与输入地震波频谱之间的联系。 - Then the paper introduces the basic principles of variable frequency speed regulation, studies the topology high-voltage converter, control methods, modulation methods, etc, and analyses the harmonic fiction performance of power unit series multi-level inverter.
本文主要针对变频调速的基本原理，研究了高压变频器的拓扑结构、控制方法、调制方法等，并对功率单元串联多电平变频器的谐波抑制性能进行了分析。 - The model includes satellite signal and interference signal, antenna array, radio frequency processing and signal processing, etc. The dissertation studies the technological data and performance of every model by theoretical analysis and simulating.
模型包括了卫星信号和干扰信号模型、天线模型、射频处理模型、信号处理模型等。通过理论分析和仿真，研究了各模型的指标和性能。 - The system model is built with Adaptive Modulation Coding and Orthogonal Frequency Division Multiplexing technologies. Studies and analysis based on this model show that the designed algorithm is effective.
宽带无线网络系统模型采用当下热门的关键技术&自适应编码调制，正交频分复用等，在此基础上对设计的调度分配算法进行研究分析，并通过仿真结果验证了方案的有效性。 - The applications and achievements of the frequency upconversion in dynamic studies of tryptophan, proteins and DNAs are simply summarized.
简单总结了频率上转换技术在色氨酸、蛋白质和DNA等生物大分子动力学研究方面的应用。