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- Keywords Particle Kinematics,Centrifugal Acceleration,Bearings changing rate,Passive Location,Kalman Filtering,Maneuvering Target Tracking,Observability,Doppler Shift Frequency; 质点运动学;离心加速度;角度变化率;无源定位;卡尔曼滤波;机动目标跟踪;可观测性;多普勒频率;
- doppler shifted frequency 多普勒偏移频率
- Doppler shift frequency 多普勒频移
- doppler shift frequency spectra 多普勒频移光谱
- This is found by observing the doppler shift in the frequency of the radio signals broadcast from the satellite. 这是通过观测卫星所发射的无线电信号频率中多普勒偏移来确定的。
- The cosmological redshift is not a normal Doppler shift. 宇宙学的红移并不是平常的都卜勒偏移。
- Doppler Shift in satellite communication should not be ignored for the satellites with relative motion. 在卫星通信过程中,对具有相对运动的卫星,星间链路的多普勒频移是不能忽视的。
- The analysis and simulation shows that this radar system has higher range resolution and insensitivity to Doppler shift, etc. 分析与仿真结果表明，这种雷达系统具有距离分辨率高、对多普勒频移不敏感等特点。
- For an in-depth search, even a small change in sky location makes the Doppler shift different enough to completely wash out any signal if done wrong. 对于深入的研究，即使是天空中位置的小小变换，相应的多普勒偏移也是不同的，如果处理不对，什么有用的信号都观测不到。
- To other atoms, the microwaves appear (because of Doppler shifting) to be higher or lower in frequency than they are. 对其他的原子而言，微波的频率看起来（由于都卜勒频移）不是比原本高就是低。
- Abstract The formula of the second order Doppler shift of simple cubic monatomic nanocrystalline particle is reduced by means of the Green's function. 摘要 应用格林函数理论 ,推导了简立方单原子纳米晶体颗粒的二次多普勒移动公式。
- Various noises can shake the periscope, introducing subtle Doppler shifts in the frequency of light passing through it. 各式各样的杂讯会晃动潜望镜，使得光通过之后，其频率会出现些微的都卜勒频移。
- 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。
- The system performances of QAM and ARDPM are compared by calculating the error bound of two systems with diverse Doppler shift over fading channel. 在多谱勒频移较小时,ARDPM系统的性能优于QAM,但是随着多谱勒频移的增大,ARDPM系统的性能将迅速恶化,此时QAM系统的性能将优于ARDPM。
- However, in ionogram mode, though Digisonde works with many sounding frequencies, the resolution of Doppler shift is too low to detect ionospheric disturbances precisely. 而在频高图模式下;虽然工作的频点多;能够获得电子浓度的高度剖面的信息;但探测的多普勒频移的分辨率低;无法用来精确检测电离层扰动.
- This paper researches several comb waveforms on their transmitting efficiencies , resolutions in range and reverberation suppression properties based on Doppler shift . 研究了若干种主动声纳梳状谱信号的发射效率、测量精度以及基于多普勒的抗混响性能。
- 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。
- Those complicated Doppler shifts are where the angular resolution comes from. 有了这些复杂的多普勒偏移，就有了角分辨率的问题。
- The data analysis has to compensate for the Doppler shift to make any signal as sinusoidal as possible, which helps pull it out of the noise (with something based on a Fourier transform). 数据分析中比较对多普勒偏移进行补偿以使信号尽可能地接近正弦曲线，以方便从噪音中提取真正的信号（通过傅立叶变换）。
- Authorized Bandwidth The necessary bandwidth required for transmission and reception of intelligence. This definition does not include allowance for transmitter drift or Doppler shift. 授权带宽智能传输和接收所需的带宽。该定义不包括允许发射机漂移或多普勒漂移。
