coherent detection
英 [kəʊˈhɪərənt dɪˈtekʃn]
美 [koʊˈhɪrənt dɪˈtekʃn]
相干检波
双语例句
- Using the way of homodyne coherent detection, a fiber laser Doppler vibrometer is designed and completed.
采用零差的相干探测方式，设计并实现了一套光纤结构的激光多普勒振动计。 - With coherent detection, radio frequency ( RF) signal can be recovered with simultaneously suppressed second-order distortion and third-order intermodulation.
通过相干检测的方式，可以恢复出不受二阶和三阶干扰的射频信号。 - Detection of Doppler Signal of Moving Target Using 1.06 μ m Coherent Detection Lidar
1.06μm相干激光雷达动目标多普勒信号探测 - Extraction of the In-pulse Characteristics of Signal Based on Direct Sampling from IF signal and quadrature coherent detection
基于中频直接采样正交相干检波技术的信号脉内特征提取 - Some application techniques of optical coherent detection are discussed in this paper.
介绍了光相干探测在不同技术领域的应用。 - The principal advantage over the dual filter coherent detection is a four-fold reduction in bandwidth.
与双滤波器相干检波相比的主要优点是带宽减少了四分之三。 - Digital Intermediate Frequency Quadrature Coherent Detection System Based on Polyphase Filtering
基于多相滤波的数字中频正交相干检波系统 - Differentially Coherent Detection and Phase Compensation Algorithm in Underwater Acoustic Communication
水声通信中差分相干检测及其相位补偿方法 - Coding Modulation and Coherent Detection Techniques in Spread-Spectrum Communication
扩频通信中编码调制与相关接收技术的研究 - The quadrature coherent detection is widely used in signal processing field, since it can reserve all information of the complex envelope of signal.
正交相干检波保留了信号复包络的所有信息，因而在信号处理中得到了广泛应用。 - To analyze the effect of imperfect coherent detection, the equivalent distances are derived.
为了分析非理想相干检测的影响，首先导出相干载波相移θ时信码判决时的等效距离，然后求出在给定条件下的事件错误率及它们的上限。 - In AWGN channel, this paper gives the Shannon limit analysis of BFSK coherent detection.
本文还对BFSK信号相干检测在AWGN信道模型下的香农限进行了分析。 - Direct IF Sampling and Coherent Detection
中频直接采样和相干检波 - A new optical attenuation standard device developing based on coherent detection principle is presented.
介绍了一种新的建立在相干检测原理上的光衰减标准。 - Experimental results and a theoretical analysis of incoherent and coherent detection are presented.
本文介绍了空气中太赫兹波的非相干和相干探测的实验结果和理论分析。 - Then it has discussed system of acceptance, including coherent detection and non-coherent detection.
对相干探测与非相干探测等几种光接收机接收方式进行了分析与比较。 - The Design and Implementation of Radar IF Signal Sampling and Quadrature Coherent Detection
雷达中频信号直接采样与正交相干检波的设计与实现 - First, a new method of detection& multi-sensor partially coherent detection is presented.
首先，提出了一种新的检测方法&多检测器部分相关检测。 - Application of filtering technique to the coherent detection of laser light
滤波技术在激光相干检测中的应用 - Multiple-symbol differential detection ( MSDD) can narrow the performance gaps between differential detection and coherent detection.
采用多符号差分检测（MSDD）能够缩小差分检测与相干检测之间的性能差距。 - With the coherent detection technique, we also realized an in-band ASE spectrum signal spectrum monitoring.
使用相干检测技术，我们还实现了带内ASE光谱和信号光谱的监测。 - To implement coherent detection, receivers in OFDM system need reliable and efficient channel estimation.
OFDM系统的接收机需要可靠有效的信道估计结果来实现相干检测。 - In the paper, we first study different detection methods for the lidar echo signal, and focused on the balanced detection method based on coherent detection. That was proved it has the ability to suppress the intensity noise in the process of signal detection.
本文首先对激光雷达回波信号不同的检测方法进行了研究，着重研究了基于相干检测的平衡检测方法，并通过仿真证明了其在信号检测过程中具有抑制强度噪声的能力。 - Doppler lidar mainly includes coherent detection and direct-detection techniques.
多普勒激光雷达主要包括相干探测和直接探测技术。 - The technology has the merits of coherent detection and OFDM.
它结合了相干检测技术和OFDM技术的双重优点，使这两种技术优势互补。 - The terahertz time-domain spectrum technique is a kind of coherent detection of electromagnetic radiation. By using femtosecond pulse laser pumped to produce and detection terahertz radiation it can gain terahertz pulse amplitude and phase information.
太赫兹时域光谱技术是一种电磁辐射位相相干技术，利用飞秒脉冲激光泵浦产生和探测太赫兹电磁场辐射，能同时获得太赫兹脉冲的振幅和相位信息。 - Receivers usually use coherent detection to acquire the data in the frequency domain.
在接收端，通常采用相干检测的方法来获得频域数据符号。 - Through simulation, analysis of the advantages and disadvantages of the traditional coherent detection and noncoherent detection of unitary space-time coding are compared.
通过仿真分析了传统酉空时码的相干检测和非相干检测的优缺点。 - Firstly, high-coherent targets are detected by using sub-aperture decomposition and coherent detection methods from a small data set.
首先利用子孔径分解技术和相干检测的方法，实现小数据集条件下高相干目标检测。 - Laser communication can be divided into the direct detection and coherent detection.
激光通信探测方式分为直接探测和相干探测。