coherent reference
英 [kəʊˈhɪərənt ˈrefrəns]
美 [koʊˈhɪrənt ˈrefrəns]
网络 相干参考
双语例句
- Hopping-frequency communication is often used in military Satellite Communication ( SATCOM) systems, which may lead to the difficulty in coherent detection Phase Shift Keying ( PSK) signals unless many reference symbols are added to aid the phase estimation of the received signals.
军事卫星通信系统中很多情况下采用跳频通信，这就导致PSK的相干检测比较困难，通常使用增加参考符号来对接收信号的相位进行估计。 - In phase-coherent communication system, phase-locked loop is always used to yield coherent reference signal.
相位相干通信系统中，通常采用锁相环路来产生相干参考信号。 - The method of radar target waveform feature extraction is studied based on non coherent radar target echo. Using for reference waveform feature tree which describes the waveform in the form of tree, we study a new feature extraction method.
在着重研究非相参雷达视频回波的基础上，对目标视频回波数据作预处理，借鉴波形特征树的波形特征描述方法，研究了一种基于非相参雷达目标回波的特征提取算法。 - Improves calculation method of insulation course thickness within maximal refrigerating loss specified in coherent norm. The allowable maximum heat loss prescribed in the national standard is taken as a basic reference by many other related standards.
改进了最大允许冷损失下保冷层厚度的计算方法。国家标准《设备及管道保温技术通则》中规定的允许最大散热损失值被多个相关标准引用。 - Presented perfect suggestions of coherent policy for it, hoping it to be a reference for the development of stock.
对在我国实行股票期权相应的配套政策与措施的完善提出建议，以期对股票期权激励机制在我国的发展提供借鉴。 - We present here a novel approach for phase estimation. Through coherent detection of phase modulated signals with few reference symbols ( with and without differential encoding), the approach may improve power efficiency and implement phase estimation in the same coding block.
本文提出一种新的相位估计算法，该算法利用小数据量的参考信号对相位调制信号的相干检测来提高功率效率，而且在同一编码块（同一跳）中实现相位估计。 - Neither the coherent optical input image nor the Fourier transform hologram of the reference image is required by this system.
这个系统既不需要相干光输入图像，也不需要基准图像的付氏变换金息图。 - Aiming at the coherent disadvantage of transmitted reference ( TR) receiver, a new TR-UWB ( ultra-wideband) receiver design scheme for low-data-rate wireless personal area network ( WPAN) is proposed.
针对发送-参考（TR）接收机噪声影响较敏感的缺点，提出一种适用于低速率无线个域网的新型超宽带（UWB）TR接收机设计方案。 - A extremely weak scatter signal detection method is proposed. The new method use spatial filtering and coherent detection technology to realize extremely weak signal detection and reception and the time correlative accumulation is far less than the reference detection method.
提出一种微弱散射信号检测方法，该方法联合使用空域滤波技术和相干检测技术，可实现对微弱散射检测检测和接收；新方法的相关积累时间远小于传统的微弱信号检测方法。 - The coherent detection and demodulation of LTE/ LTE-Advanced systems rely on the channel coefficients. Therefore, it is important to estimate the channel information by using reference signal.
LTE/LTE-Advanced作为下一代高速移动通信系统，在其对数据进行相干检测和解调时都需要知道系统的信道传输系数，因此，利用参考信号对信道进行估计就显得尤为重要了。 - Eventually to develop a coherent, comprehensive strength, this has the function of leading system of genetically modified organisms 'safety to provide theoretical reference and using for reference.
最终为制定一部条理清晰，综合性强，具有主导功能的转基因生物安全法提供理论参考和制度借鉴。 - In textual metafunction, cohesion is discussed. Cohesion is very important to make a discourse or text coherent, and coherence can be achieved mainly through four types of cohesive ties, namely, reference, ellipsis and substitution, conjunction, and lexical cohesion.
衔接是在语篇功能中讨论的，它对语篇的连贯起着重要作用。衔接主要通过四类衔接结来实现，即：照应、省略和替代、连接以及词汇衔接。