该文提出了一种对雷达发射脉冲进行相位估计的算法。
This paper introduces an algorithm used in estimation of the phase error of chirp signal.
传统上，数码单反相机使用一个单独的对焦感应器进行相位侦测。
Traditionally, phase detection in DSLRs has been conducted by a dedicated AF sensor.
为了做到这点，必须对地震记录进行相位校正及大地滤波校正。
It is therefore necessary to have the seismic data corrected for phase and earth filtering.
利用这两种信号源可以对相控线阵声波辐射器进行相位和幅度加权控制。
The phase and amplitude weighting of the phased array acoustic logging transmitter can be controlled by the two kinds of exciting signal sources.
信号采用伪随机编码进行相位调制，相当于是用载频对伪随机码进行上变频。
Using pseudo random code to modulate the signal's phase equals to frequency up-conversion of the pseudo random code by the carrier frequency.
距离对准是进行相位校正的基础，提高距离对准的精度对提高成像质量有着重要的意义。
Range alignment is the former step of phase adjustment, so improving the quality of it has a significant meaning.
对直线相位编组法进行改进，提出了一种在边缘检测基础上进行相位编组提取直线的方法。
The paper presents a new phase-grouping lines extraction method based on edges detection, which improves the traditional phase-grouping lines extraction method greatly.
超声相控阵技术通过对超声阵列换能器中各阵元进行相位控制，获得灵活可控的合成波束。
Ultrasonic phased array technique can help to achieve flexible, controllable synthesized ultrasound beam by exciting each element of an ultrasonic array transducer with independent phase delay.
超声相控阵技术通过对超声阵列换能器中各阵元进行相位控制，获得灵活可控的合成波束。
Ultrasonic phased array technology USES an array of ultrasonic transducer array element for each phase control, access to flexible and controllable synthesis of beam.
对直线相位编组法进行改进，提出了一种在边缘检测基础上进行相位编组提取直线的方法。
In this paper, an encoding method is proposed for improving the resolution of rotary encoder-phase encoding method.
相位平均网络是一种能把多个有相位抖动的脉冲进行相位平均，得到一种特殊脉冲信号的网络。
Phase-average network is a type of network which can carry out phase average for several pulses having phase jitter and achieves a kind of special paise signal.
该方法首先估计时延，然后再对剩余误差进行相位估计，从而扩大了算法适用的运动误差范围。
With this method, the time delay is estimated firstly, then the residual phase error. Through this way the movement error range that can be compensated by this algorithm is extended.
差分时钟延迟匹配技术通过对两路AD的采样时钟进行相位调整，实现了两路AD的等间隔采样。
The difference clock delay match technology adjusts the two channel AD analog clock phase and implements the two way AD uniformly-space sampling.
这个方法利用了周期性信号间相位差变化的规律性对比对信号进行相位处理，有效地减小了量化误差。
Utilizing the regularity of phase difference between period signals, phase processing is made on comparison signals, which reduce effectively quantified error.
然后对窄带雷达回波采样序列进行相位匹配变换，搜索匹配函数的最大值，从而得到质心位置参数的估计值。
The phase matching transform is performed on the sample series. of narrow-band radar echo, and the centroid position parameter is estimated by searching for the maximum value of the matching function.
利用TMS320 VC 5509和EMP7128作为核心处理和控制单元，进行相位测量的研究和实现。
As phase measurement research and realizes, TMS320VC5509 and EMP7128 are used as core processing and control unit.
设计了一个数字时钟数据恢复电路，采用相位选择锁相环进行相位调整，在不影响系统噪声性能的前提下大大降低了芯片面积。
A phase selection PLL is adopted to adjust the phase of the recovered clock, and the chip area of the recovery circuit is greatly reduced without sacrificing the noise performance of the system.
该方法对图像分别进行一次菲涅耳变换和分数傅里叶变换，并在图像的菲涅耳域和分数傅里叶域上分别利用随机相位版施行相位编码。
In this paper, image is Fresnel transformed and Fractional Fourier transformed successively, and phase encoding is implemented in both Fresnel domain and Fractional Fourier domain.
用相关法进行相频特性的测试，可以有效抑制随机噪声的干扰，提高相位测量的精度。
Using correlation means in testing phase response can reduce random noise and improve precision of phase test.
方法：用磁共振相位对比电影法测定模拟脑血液流动的管状模型稳态流动下流体信号强度，并与相应的速率进行相关性分析后分别得出相应的转换函数关系。
Methods: tube flow phantoms which simulating the cerebral blood flow were established. Flow signal intensity of the steady flow in tubes was measured by MR phase-contrast cine technique.
方法：用磁共振相位对比电影法测定模拟脑血液流动的管状模型稳态流动下流体信号强度，并与相应的速率进行相关性分析后分别得出相应的转换函数关系。
Methods: tube flow phantoms which simulating the cerebral blood flow were established. Flow signal intensity of the steady flow in tubes was measured by MR phase-contrast cine technique.
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