key modulation
英 [kiː ˌmɒdjʊˈleɪʃən]
美 [kiː ˌmɑdʒəˈleɪʃən]
键控，电键调制
双语例句
- Using residues, the key factor that determines modulation effect was then indicated, which gave an insight into the basic properties of DC damping modulation in large-scale AC/ DC power systems.
基于留数，指出制约直流调制效果的关键因素，对直流调制在交直流电力系统中的运行特性进行分析，认为采用广域信号可以提高直流调制对区间振荡的抑制效果。 - Key Technologies Research of Modulation and Demodulation System Based on Software Defined Radio
基于软件无线电的调制解调系统关键技术研究 - The key of the proposed modulation strategy is to reduce the complex voltage to zero in the generalized zero sequence sub-space of inverter side.
该策略目的是使变换器逆变侧的广义零序子空间合成电压为零，从而使五相矩阵变换器逆变侧的输出电流谐波尽可能的减小。 - During the conversation or telling stories, parents may strengthen the intonation of key words, use modulation in tone and constantly repeat some simple words.
在谈话或讲故事中，可以用加强语调的字眼、使用抑扬顿挫的方式以及不断重复一些简单的字。 - Lenst mean square ( LMS) class and constant modulus algorithm ( CMA) equalizer are studied based on on-off key ( OOK) modulation.
基于通断键控（OOK）调制信号进行研究，计算了信道响应系数向量，然后对算法仿真。 - At the same time, this chapter also researches on the theory analysis and implementation approaches of other key modules, such as modulation, demodulation, channel coding, timing and synchronization.
同时，本章还对其它几个关键模块，如调制解调，信道编码和同步定时等进行了理论分析和实现方法的研究。 - Frame synchronization is a key part in Pulse Position Modulation. The performance of this part affects the whole performance of the PPM system.
帧同步是脉位调制中关键的一部分，其性能的好坏直接影响到整个系统的性能。 - Key algorithms of IF passband sampling, modulation pattern recognition have analysed in detail. Analysis methods of real time radio signal used in different bands and in different modulation schemes have also been presented.
通过对中频带通采样、信号调制模式识别等关键算法理论的分析研究，提出了对不同频段、不同调制模式模拟无线信号进行实时分析的方法。 - Simulation of Gauss Minimum Shift Key Modulation
高斯最小频移键控的实现方法研究和仿真 - Sufficient evidence suggests that GABA plays a key role in the modulation of sensory inputs in the spinal dorsal horn.
大量研究证实GABA对脊髓背角内感觉信息传递的调控发挥着至关重要的作用。 - In pulse modulation identification is one of radar reconnaissance key technology. Especially, in pulse modulation identification under low SNR is a hot point of recent researching.
脉内调制类型识别是雷达侦察的关键技术之一，特别是低信噪比下的脉内调制识别技术是当前研究的热点。 - CCK-the Key Modulation Technique of the High Speed WLAN
CCK&高速无线局域网的关键调制技术 - Based on the analysis of underwater acoustic channel, in the simulation of overall performance of the system using channel coding, the scheme of long range underwater acoustic communication system is designed at first, and some key techniques are analyzed such as modulation, channel equalization etc.
在应用信道编码的系统总体性能的仿真中，首先在水声信道分析的基础上，构建了远程水声通信的系统设计方案，并对调制解调、信道均衡等关键技术进行了说明。 - Emulate experiments and lake experiment obtained lower error code rate than traditional waveform design method using this waveform structure with multiple phase shift key modulation.
以多进制相位调制方式采用这种波形结构进行了仿真实验和湖水试验，都获得了比传统的波形结构更低的误码率。 - It introduces the project and key technology of modulation domain analysis, emphasis on the ZDT counter and the error compensation circuit based on FPGA.
介绍了调制域分析技术的原理，重点介绍基于FPGA的零空闲（ZDT）计数和测量补偿技术。 - In order to improve the large range measurement speed and accuracy, key technologies on multi-frequency modulation and high precision phase-shift measurement are deeply researched in this paper.
本文着重对多频调制及相差测量环节进行了深入研究以提高大量程测距的测量速度和精度。 - Research on the key Modulation Technique of UWB
超宽带无线通信主要调制技术的研究及其应用 - It is found that the key factor influencing the modulation response of integrated light sources comes from the residual reflection at the EA facet rather than the microwave signal crosstalk.
实验结果表明，对集成器件调制响应的干扰主要是来自于EA调制器端面的残余反射而不是微波调制信号的串扰。 - Theory and experiments show that the use of fixed key will debase the security of stochastic modulation.
理论和实验表明，固定隐写密钥的使用会降低随机调制算法的安全性。 - At present, domestic spaceflight Unite S Band ( USB) TT& C network and transponder adopts Differential Phase Shift Key ( DPSK) modulation, which is implemented by hardware and cannot be used on pico-satellite.
目前国内航天飞行器USB测控网和测控应答机采用DPSK调制方式，采用硬件方式实现调制和解调功能，体积、重量和功耗较大，不能满足皮卫星应用环境。 - As one of the key techniques in 3G, adaptive coded modulation attracts more and more researchers 'eyes in recent years.
作为3G中的一个关键技术，自适应编码调制越来越受到众多研究者的关注。 - Non-coherent energy detection was the key technique of frequency-shift keying modulation, so the system introduced Chirp signal as the carrier signal for its performance with sharp energy peak, easy to detect and judge to reduce the probability of error.
非相干能量检测是频移键控技术的关键，系统采用线性调频信号作为载波信号，其匹配信号具有尖锐的能量峰值，易于检测、判决，以降低误判的概率。 - Meanwhile we have made an important analysis on the key measure, and with the utilization modulation design thought, proposed the functional design about hazardous goods logistics information platform.
同时对危险货物第三方物流企业经营对策的重点即物流信息化投入作了重要的分析，运用模块化的设计思想，提出了危险货物物流信息平台的功能设计。 - At the same time, based on theoretical analysis and research of key technologies in direct laser modulation technology, it gives a suitable coding schemes for the subject.
同时，基于对激光直接调制技术的理论分析和关键技术研究，得出一种适合该课题的直接调制编码方案。 - The algorithm used the key to control the process of modulation, and randomly inserted into the output symbols of the IFFT transform in order to make the data security.
该算法通过密钥控制调制过程，对IFFT输出符号进行随机插值实现数据安全。 - FFT/ IFFT processor is the core data processing unit and is the key to realize data quadrature modulation and demodulation in OFDM system. The design of FFT/ IFFT processor directly determines the performance of the OFDM system.
FFT/IFFT处理器是OFDM系统中数据处理的核心单元，是OFDM系统中数据正交调制和解调的关键，FFT/IFFT处理器的设计直接决定着OFDM系统的性能。 - Considering the cost and complexity, an impulse radio system is proposed, together with binary phase shift key ( BPSK) modulation which can save transmit power and guarantee a moderate anti-nonlinearity.
考虑到系统的实现成本和复杂的，提出采用脉冲体制的系统方案，而调制方式采用可以节省发射功率及保证一定的抗非线性能力的BPSK调制。 - The MIOC is a key element for phase modulation, which the half-wave voltage is one of the key modulation parameters.
Y波导是环形干涉光纤传感器常用的相位调制器件，半波电压是它的一个关键参数。 - We proposed a scheme of continuous variable quantum key distribution without signal modulation using EPR correlation directly and experimentally proved the feasibility of the scheme. 4.
提出一种利用EPR关联，无需信号调制，实现连续变量量子保密通信的新方案，并通过实验证实了该方案的可行性。