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- equal signal direction finding 等信号法测向
- The integral JTIDS signal direction finding and hopping relieving intercept receiving system thus produced has simple structure, good performance, convenience in use and other features. 依据该方法制造的JTIDS信号的测向与解跳侦收一体化系统具有设备简单、性能好、使用方便等特点,具有推广应用价值。
- zero signal direction finding method 零信号测向法
- minimum signal direction finding 最小信号法测向
- radar signal direction finding 雷达信号方向探测
- Most of them was low or equal signal on T1WI,high signal on T2WI. T1WI上多呈低、等信号,T2WI多呈高信号,增强后明显强化。
- Talk on the radio direction finding technology? 无测向能定位吗?
- In the end, we discuss the direction finding algorithms of UCA for the coherent signal sources and the wide-band cyclostationary signal sources, respectively. 最后,分别对相干信源和宽带循环平稳信源的UCA测向算法进行了研究。
- If a radar operates passively, it can obtain the objective of passive direction finding against a jamming source by means of receiving and utilizing the jamming signal. 雷达无源工作时,可以接收和利用干扰信号对干扰源进行无源测向。
- The periodicity of the phase in the direction finding with interferometer confines the range of the direction finding and the width of the signal frequency. 干涉仪测向中相位的周期性,对测向范围和信号带宽提出了限制,而测向误差和相位误差对测距精度影响较大。
- After correlating with database deposited, the direction finding was realized. 与预存数据库进行相关,完成通信测向。
- MRI could clearly display the pus within cavity,the abscess wall and the edema around the abscess,the discoverd rat was 100%. There were certain characters in abscess wall which showed equal signal in tensity on T?1WI and low signal intensity on T?2WI. MRI能清晰地显示脓腔内的脓液,脓肿壁及周围水肿,显示率为100%25,脓肿壁信号有一定的特征,呈等T1短T2信号。
- Islet cell hyperplasia:It appeared oval and nodular prominence in shape with maximal diameter 1 5cm,equal signal on T 1WI and T 2WI,and no clear border between the tumor and normal pancreas tissue. It was missed by B US. (2 )胰岛素细胞增生 :呈卵圆形结节状外突 ;最大径为 1.;5 cm;呈等 T1 等 T2 信号;与胰腺分界不清;B超未检出病灶。
- Direction finding of low probability intercept(LPI) signals is the difficult problem in modern EW system. 低截获概率(LPI)信号的测向是现代电子战的一大难题。
- At present, wide-band direction finding is one of important researching subjects in radar and electronic counterwork. 给出了宽带信号测向中求聚焦矩阵的一大类方法,聚焦前后阵列信噪比没有任何损失。
- This paper discusses the direction finding characteristic of passive monopulse seeker. 主要讨论被动单脉冲导引头对旁瓣目标的识别。
- Interferometer direction finding technique is adapted to estimating Direction-of-Arrival (DOA) of a single pulse.It can not resolve multiple signals. 摘要传统干涉仪测向是对单个脉冲信号测向的,对于多信号没有分辨能力,对于线性调频等时变频率信号也不能直接应用。
- It is equal to me whether he comes or not. 他来不来对我都一样。
- This paper applies the array manifold interpolation wideband direction finding algorithm on uniform linear array,and gives other two methods of seeking transformation matrix. 文中把阵列流行内插宽带测向算法应用到均匀线阵上,并给出了求变换矩阵的另外两种方法。
- I was bored with work not equal to my abilities. 我对于那些跟自己能力不相称的工作感到厌倦。