phase n. 1.形势,局面,状态;阶级。 2.方面,侧面。 3.【天文学】(月等的)变相,盈亏;【物、天】相,周相,相位。 4.【动物;动物学】型,期。 a youthful phase 青年时期。 The problem has many phases. 这问题是多方面的。 phase distortion 【物理学】相畸变,周相畸变。 enter (up)on a new phase 进入一新的阶段。 from phase to phase during this stage 这一阶段中的各个时期。 in phase 【物理学】相同的[地];同时协调的[地]。 out of phase 【物理学】异相的[地],不同相;非同时协调的[地]。 vt. 1.使调整相位,使定相。 2.使分阶段[按计划]进行。 phase in 分阶段引入,逐步采用。 phase out 1. 使逐步结束;使逐步撤出;逐步淘汰;逐部停止(活动等)。 2. (动作等的)逐步停止;逐步撤出。 3. 逐步转入 (into)。
Two - dimension signal processing scheme for binary phase - coded radar waveform 脉间二相编码雷达信号的二维处理
Binary phase shift keying 二相相移键控
Method for calculating the activities of compounds from binary phase diagram involved stable compounds 二元相图中稳定化合物活度的计算方法
Moreover , theory of the random pulse position modulation and random binary phase - coded ( rppm & rbpc ) pulse doppler is also discussed 在此基础上,进一步讨论了随机脉位调制加随机二相码调相脉冲多普勒雷达原理。
For it has many unique advantages , pseudo - noise linear m - sequence binary phased coded cw signal is widely used in the new generation air defense systems 伪随机m序列相位编码连续波信号体制由于其固有的优点,在新一代地空制导雷达中得到了广泛的应用。
3 . the binary phase - only filter ( bpof ) based digital image watermarking is a semi - fragile watermarking technique used for the image credibility authentication 3 、基于二元纯位相滤波器( binaryphase - onlyfilter ,简称bpof )的数字图像水印是一种用于图像真实性认证的半脆弱水印技术。
In the information environment of radar there are some signals such as regular and binary phase modulated pulse signal and linear frequency modulated signal are used widely 在雷达信号环境中,最常见的信号包括常规脉冲调制信号、脉内二相编码信号以及线性调频信号。对这些信号的载频测量在电子战中具有重要意义。
Detection performance and anti - jamming capability of phase - coded radar are also analyzed in this paper . the computer simulation shows that phase - coded radar has better property of suppressing jamming such as shortwave , gauss noise and binary phase code than lfm radar 本文还分析了相位编码雷达的检测性能和抗干扰能力,仿真结果显示相位编码雷达抗短波、高斯白噪声、二相码等干扰的能力优于线性调频雷达。
At first the merits and implementation of the digital pulse compression subsystem are introduced in this paper . then the characteristics of phase coded signals are discussed and the two classic binary phase codes ? ? barker code and m - sequence are dealt with in details in the following 文中首先综述了数字脉冲压缩的优点及其实现方法,接着讨论了相位编码信号的特点,并详细分析了巴克码和m序列这两类典型的二相码信号。
Chapter five highlighted on some applications of surface acoustic wave ( saw ) filters that have been used in mobile and wireless communications , we have explained two applications , binary phase - shift keying ( bpsk ) , and differential phase - shift keying ( dpsk ) , we also proposed an application to implement the cck codewords and the cck demodulation using saw matched filter 第五章研究了声表面波滤波器在移动通信、无线通信中的应用,主要介绍了三种应用:二进制相移键控( bpsk ) 、差分相移键控( dpsk ) ,以及用saw匹配滤波器实现cck调制和解调。