volume of coherence是什么意思

网络释义

用法例句

Coherent integration in same range cell may be done via fast Fourier transform(FFT) within each CPI and noncoherent integration thro.

进而提出了一种基于相干-非相干混合积累的微弱运动目标检测新方法:把检测时间分成多个连续的相干处理间隔(CPI),在各CPI内部通过FFT实现同一距离单元内信号的相干积累,在各CPI间通过Hough变换实现跨越距离单元的非相干积累,从而获得大的积累增益。

Taking advantage of fractional Fourier transform(FrFT) to process the energy concentration of Chirp signal,a novel multiple time-around echo pulses coherent integration method based on FrFT for wideband Chirp radar is proposed.

利用分数阶傅里叶变换(Fractional Fourier Transform,FrFT)处理Chirp信号的能量集聚性,提出基于FrFT的运动目标宽带Chirp雷达多周期回波相干积累方法。

Using FFT and Inverse FFT(IFFT) techniques to speed up operations,and taking use of both coherent integration and non-coherent integration for improving SNR of the test statistic.

讨论高动态、低信噪比的长伪码信号搜索的基本原理,提出一种基于FFT的快速捕获算法:在一个伪码周期内利用FFT和IFFT提高伪码相关运算速度,并利用多个伪码周期的相关运算数据进行相干和非相干积累,以改善检测统计量信噪比。

The architecture of all digital receiver is introduced into spectrum spread receiver in which a forward parallel processing architecture is adopted instead of the feedback,and a difference coherent accumulating method is adopted for capturing the phase of PN code with low SNR.

将全数字接收机的结构引入到扩频接收机中,用一种前向的并行处理结构来代替传统码延迟锁定环的反馈结构,采用差分相干积累的方法捕获低信噪比扩频信号的伪码相位。

By using the concept of ”coherence area”, we standardized three familiar statements about the spatial coherence criterion on a photon correlation spectrum measurement system.

利用相干面积概念对光子相关谱测量系统空间相干性判据的几种常见表述进行了规范。

Research on Long Coherent-Processing-Interval STAP Techniques for Low Frequency Multi-Channel Ultra-Wide Band SAR/GMTI System

多通道低频超宽带SAR/GMTI系统长相干积累STAP技术研究

A New High-Sensitivity Acquisition Method of Software GPS Receiver Based on Ingenious Differentially Coherent Integration

基于简易差分相干积累的高灵敏度GPS软件接收机捕获算法

A digital time correlative accumulation (I)--auto-correlative accumulation

数字时间相关积累(Ⅰ)——自相关积累

interrelated logic accumulating scanner

互相关逻辑累积扫描器

acquire [amass] a competence

获得 [积累] 相当的资产

A New Method for Joint Estimation of Frequency and 2-D Arrival Angles of Coherent Signals Based on Fourth-Order Cnmulant

基于四阶累积量的相干信号频率和二维到达角联合估计的新算法

Modeling of cotton boll maturation period and cottonseed biomass accumulation

棉花铃期与棉籽干物质积累模拟模型

Studies on the Relationship Between Yield and Leaf Area Index and Their Dry Matter Accumulation in Black Soybean

黑豆叶面积指数及干物质积累与产量的关系

Different varieties, even growing at the same field, behave differently in nutrient uptake, dry-matter accumulation, result finally in different yield and economic income.

不同品种即使种在同一块地里，养分吸收、干物质积累也不相同，最后得到不同的产量和经济收益。

Second, a higher level of management, combining accumulated experience and a contingent of cadres with fairly strong management abilities.

第二，管理水平提高了，积累了经验，有了一批具备相当管理能力的干部。

A digital time correlative accumulation (Ⅲ)--The anti-multipath ability

数字时间相关积累(Ⅲ)——抗多途性能分析

Research on Automatic Classification of Phase Modulated Signals Using High-order Cumulant

调相信号自动识别的高阶累积量方法

DOA estimation method of coherent signal based on fourth-order cumulates

基于四阶累积量相关信号的DOA估计

method of summated ratings

累积评等法 累积评等法

Acquired by or resulting from accumulation.

累积的由累积而获得的

Study on simulation model of dry matter accumulation and nutrients absorption of cotton

棉花干物质累积与养分吸收的模拟模型研究

Research of Dry Matter Accumulating Characters on Autumn Sweet Potato Varieties of Different Types;

秋甘薯不同类型品种干物质积累特性研究

Studies on the Dry Matter Accumulation and the Dynamic Change of Nitrogen in Soybean;

大豆植株干物质积累与氮素动态变化研究