base modulation
英 [beɪs ˌmɒdjʊˈleɪʃən]
美 [beɪs ˌmɑdʒəˈleɪʃən]
网络 基极调制
双语例句
- One way to construct this system base on single-carrier modulation technique.
建立该系统的一种方式是基于单载波调制技术。 - In WCDMA system, downlink base band modulation involves a lot of channels and complex functions, resulting in prolonged time and higher costs for test and verification.
WCDMA中下行链路基带调制信道多，功能复杂，对其测试和验证所花费的时间和费用也随之提高。 - Base on the response characteristics of FED, the improved grayscale pulse width modulation ( PWM) method was designed.
根据FED显示器响应特性，设计了改进型PWM灰度调制方法。 - Generation of the Femtosecond Optical Pulse Compression Pair Base on Cross-phase Modulation
飞秒光脉冲基于交叉相位调制的压缩脉冲对的产生 - A novel embedded curvature fiber optic sensor is developed, which base on the light intensity modulation by the variation of structure curvature.
研制了一种新型埋入式曲率光纤传感器，以结构的曲率变形对传感器的输出光强实现强度调制。 - A precision setup base on Michelson interferometer configuration was made and the coherence characteristic curve of broad source with arbitrary spectrum profile was obtained accurately with modulation/ demodulation technology.
建立了基于迈克耳逊干涉仪的相干函数测试装置，采用相关调制解调的信号技术，实现了任意谱形宽谱光源的干涉特性的精确测量。 - On the base of corresponding theory analysis and software simulation, we obtained the relationship between some electronic parameters, such as frequency modulation range and quality factor, of a microstrip-line resonator and its structure parameters.
在相关理论分析和软件仿真计的基础上的计算，获得了电调微带线谐振器的频率调节范围等电特性与器件结构参数的关系。 - On the base of the extant Turbo coded modulation schemes, we proposed a Turbo TCM scheme which is based on non-binary Turbo codes.
在认真研究几种现有的Turbo编码调制方案的基础上提出了一种TurboTCM方案，这种方案以多进制Turbo码为基础。 - The Base of Music Theory, a few examples in its chapter of Modulation and alternate Modes made mislead both to the teaching and studying, therefore, the writer explained some related exercises with the idea of uncertain modulation.
《音乐理论基础》在转调及交替调式一章中个别谱例对教学双方已产生误导，本文对其相应习题作了解答，联系到模糊转调观念。 - On the base of it, the three-level SVPWM ( space vector pulse width modulation) algorithm is deduced in detail and is improved partly, so the control algorithm is simplified.
在此基础上，对空间电压矢量脉宽调制（SVPWM）算法进行了深入细致的研究，详细推导了控制算法并进行了部分改进，达到简化算法的目的。 - A theoretical model is presented to determine the current dependence of base resistance RB ( IB) of bipolar transistor at high current, based on the effect of base conductivity modulation.
本文针对基极电阻随电流变化的实验事实，根据基区电导调制效应，提出了工作在大电流密度水平时，基极电阻RB（IB）的理论模型； - The Study on Precision Testing Instrument Base on Pulsewidth Modulation Principle
基于脉宽调制原理（PWM）的精密测试源的研究 - The Effect of Base Width Modulation on the Transistor Characteristic
基区宽度调制对晶体三极管特性的影响 - Based on this theory the reference voltage vector of a multilevel VSI is divided into two parts: base vector and two level vector. Then a new multilevel space vector modulation ( SVM) method is presented.
针对目前多电平空间矢量调制方法计算十分复杂的问题，提出了一种新型的基于参考电压矢量分解理论的多电平逆变器空间矢量调制方法。 - This paper first states the basic principle of constraining transient state short current. Base on the constraining waveform's characteristic, three main constraining parameters ( the constraining time, the width of constraining pulse width modulation pulse and the current after constraining) are put forth.
首先阐述了瞬短抑制的基本原理，针对其电流波形的特点提出了三个主要抑制参数，即瞬短抑制时间、瞬短抑制PWM脉宽和瞬短抑制后的电流。 - The relative motion between the base station and the mobile results in random frequency modulation and the channel becomes time selective.
由于基站与移动台之间的相对运动，每条路径都会有一个明显的多普勒频移，导致信道的随机频率调制，也称时间选择性衰落。 - An analysis of the impact on signal from the radio channel, an estimation of signal parameters is the base of analysis the quality of the receive signal, modulation recognition and demodulation latter.
分析无线信道对信号的影响，估计信号参数是定量分析接收信号的质量及后续调制识别、信号解调等信号处理的先决条件。 - By comparison, the difference between diverse EOC schemes are data transmission band and modulation mode. Accordingly, there are two modulation methods, non-source base band transmission and source modulation transmission.
不同EOC方案之间在技术上的最主要区别是对数据传输采用不同的频带和调制方式，据此可分为无源基带传输、有源调制传输两大类技术。 - The key techniques for the application of wireless communications with the high frequency include the reduction of cost of the base station, the centralization of management for the bass station and the transparent transmission of the signals with the different data rates and modulation formats.
如何降低基站的成本、实现基站的集中控制以及对不同的数据速率和调制格式的信号进行透明传输是高频段无线通信应用的关键问题。 - Base on introducing various optical signal modulation methods, discussed the application prospects of interior and exterior modulation, especially, the reasons why in wireless laser communications, PPM modulation will be widely used. 3.
在介绍各种光信号调制方式的基础上，探讨了内调制和外调制的应用前景。重点分析现阶段的无线激光通信领域中，PPM调制获得广泛应用的原因。 - But research on multi-carriers modulation recognition especially OFDM was rare. Base on this reason, multi-carriers modulation classification and parameters estimation are studied in this dissertation.
基于上述原因，同时结合实际工作需要，本文对多载波信号的识别与参数估计进行了研究。 - Finally, DSP is adopted to design the base band modulation system, its peripheral hardware circuits are analyzed in detail, OFDM system design plan is proposed and the design task is completed.
最后，采用DSP技术实现OFDM基带调制系统的设计，并对其外围硬件电路做了详细地分析，提出OFDM系统设计的方案，完成设计任务。 - As the largest telecom operator in China, China Mobile has the plan to deploy 3060 TDD-LTE base stations in six major cities of the country in 2011.LTE-Advanced downlink adopts OFDM modulation, and in that way the signal is provided with high PAPR.
中国移动作为中国最大的电信运营商，计划2011年在国内六大城市部署3060个TDD-LTE基站。LTE-Advanced下行链路采用OFDM调制方式，信号具有很高的峰均比。 - The base band signal processing platform is made up of modulation signal processing board and demodulation signal processing board. These boards linking to host computer through the CPCI bus constitute a base band signal processing platform by way of loosely coupled architecture.
论文设计的处理平台由调制信号处理板和解调信号处理板组成，通过CPCI接口与主机建立连接，以松耦合方式组成一个基带信号处理平台。 - Modulation classification and recognition is the base of this process. In different kinds of wireless communication signal types, satellite communication signal occupies a big proportion. Thus, modulation classification and recognition for satellite communication signal has very high practical values.
在各种无线通信信号类型中，卫星通信信号占有很大的比例，因此能对卫星通信信号进行调制方式的分类识别具有很高的实用价值。 - The main function of carrier NCO and code NCO in Base band receiver is modulation of carrier signal and generation of spread code, which can make the timing of data in receiver consistent and accurate.
基带接收机中载波NCO和码NCO模块的主要功能是载波信号的调制和扩频码信号的生成，使接收机的各种模拟数据时序准确一致。 - On the base of testing the reliability and validity, I test the direct influence, indirect influence and the modulation of the main theoretical variables in thesis research.
在对测量量表进行再次的信度和效度分析基础上，对论文研究的各主要理论变量间的直接影响关系和调节作用影响关系都进行了检验。 - Specially analyses the Space Vector Modulation strategy. By given the equivalent AC/ DC/ AC topology of matrix converter, modulates on part of equivalent VSI and VSR with space vector. On the base of this the indirect Space Vector Modulation is obtained.
通过将矩阵变换器等效成为交-直-交拓扑结构，分别对等效整流环节和逆变环节采用空间矢量调制，在此基础上得到矩阵变换器空间矢量调制策略。