您要查找的是不是：
- phase shift frequency characteristic 相移频率特性
- Differential Binary Phase Shift Keying. 差分二进制相移键控。
- Further computation indicates that the ferrite slabs loaded ridged waveguide has broadband frequency properties and the grooved waveguide has greater differential phase shift. 进一步计算结果表明含铁氧体片的脊形波导具有宽频带特性,含铁氧体片的槽形波导具有较大相位移。
- In order to avoid such problems as symbol sliding, phase shift of pseudorandom noise code and carrier phase offset, an improved method of frequency offset estimation is proposed. 摘要为避免采样频率偏差给卫星导航接收机带来的符号位滑动、伪随机噪声码相位移动和载波相位偏差等问题，提出了一种改进的频率偏差估计方法。
- Measurement of Gouy Phase Shift by Supercontinuum Spectral Interference[J]. 引用该论文 王之光;曾志男;李儒新;徐至展.
- The APV(Adaptive Phase/Doppler Velocimetry)system can b e used to measure the particle size and velocity adaptively according to the Dop pler frequency shift and the Doppler phase shift theory. 系统基于多普勒频移和多普勒相位差原理，可以自适应地进行微粒的大小及速度测量。
- Cascaded multilevel inverters which is controlled by triangular carrier phase shift technique is in the leading role of high voltage and high power AC variable frequency speed regulating. 在高压大功率交流变频调速领域,级联式多电平逆变器目前处于主导地位,而三角载波移相控制技术又是其较适合的控制方略。
- The general form or a quantity indicative of the general form of a statistical frequency curve near the mean of the distribution. 峰度一种统计频率曲线接近分布中心时的大致状态或指示这种状态的数量
- Dual Bridge Rectifier Based on Phase Shifting. 摘要:基于相移变压器的双桥整流器。
- The example in the paper shows the efficiency of shift frequency together with inverse iteration to perform the dynamic topology optimization with frequency constrain. 文中的的算例表明移频与逆迭代法结合后对频率约束的动力拓扑优化问题非常有效。
- What is the function of a cosine phase shifter? 与弦移相器有什么用处?
- Distortion can result from phase shifts. 相位变化将造成失真。
- In electronics and communications, pertaining to signals that have a zero phase shift relative to each other. 在电子技术和通信技术中,用来说明各个信号相互之间没有相位差。
- DS-M DSP Frequency feedback controller is made of DSP shift frequency and DSP automatism digital filter. DSP software searches howl point and lock it by locale condition, with no adjusting. DSP数字移频反馈控制器,由DSP数字移频-DSP自动数字滤波器组成,根据现场环境DSP软件自动寻找啸叫点并锁定,无需人工调节。
- A more accurate phase shift formula for electrooptic and gyrotropic crystals is presented in the paper. 提出了电光和旋光晶体中相移的精确计算方法。
- The distribution of zero and pole is analyzed to obtain several features of carotid sclerosis such as rp.These features differ from those based on the maximum frequency curve and are also efficient. 接着，本文从多普勒音频信号的建模出发，建立颈动脉血管的零极点模型，分析极点的分布情况，提取一定的特征参数作为血管硬化的判据（如rP等），从而为临床诊断服务。
- Unfortunately, some beam positions do not have the same phase shift in the reverse direction. 不幸的是有的波束位置在反射方向上没有相同的相移。
- As the name of the new mode says, PSK (phase shift keying) modulates the carrier phase. 正如这种新操作模式的名字所指的，PSK（相移键控）调制载波的相位。
- The chief advantage of phase shift modulation lies in its ability to encode more than one bit of data in each shift. 相移调制的主要优点是可以在一个相移变化中编码一位以上数据。
- Extended Binary Phase Shift Keying (EBPSK) is a kind of bandwidth efficient modulations. 摘要扩展的二元相移键控是一种高效调制技术。
