介绍基于最低阶反对称板波激励、扫频幅度相位显示的复合材料粘结质量评价的新方法。
Descriptions are made of a new instrument based on the lowest order asymmetric plate wave excitation and swept frequency amplitude phase display.
在此基础上，讨论了幅度系数比对幅度相位双差分空时码的影响，并给出了一种最佳的幅度系数选择方案。
Based on the above, the impact of amplitude coefficient ratio on amplitude-phase Double Differential Space-Time Codes is discussed, and an optimal selection scheme in amplitude coefficient is given.
分析了多雷达信号融合中的幅度相位模型，并基于旋转不变技术提出一种新的幅度相位补偿参数估计方法。
The amplitude-phase compensation model of multi-band radar signal fusion is analyzed and the new amplitude-phase compensation algorithm based on the ESPRIT is presented.
并且用MATLAB编写程序，计算了其幅度相位加权后的理想方向图。3、天线五个不同指向波束的形成。
And to write programs using MATLAB to calculate its amplitude and phase weighted ideal pattern. 3, the antenna beam pointing to the formation of five different.
在典型的通信系统中，调制过程是数字信号加载在载波的幅度值、载波的频率或者载波的相位上。
In the model communications system, the modulation process also is loaded the digital signal in the carrier scope value, the carrier frequency or on the carrier phase.
本文介绍一种在喇叭口径上具有幅度锥削的相位校正的E面扇形喇叭。
In this paper, an e-plane sectoral horn with amplitude taper and phase correction in the aperture is presented.
指出环路的抑制性能是由前馈环的延迟失配、幅度失配和相位失配共同决定。
The result proved that the cancellation performance of cancellation loop is decided by the amplitude imbalance, phase imbalance and delay mismatch.
在交流电路中，电流的幅度是连续不断地变化的，因此相位和时间的概念变得十分重要了。
In ac circuits, the current amplitude changes continuously that the concept of phase or time becomes very important.
在喇叭内部不同区域中重新分配能量和改变相速来获得幅度锥削和相位校正。
The amplitude taper and phase correction are obtained by redistributing energy and changing phase velocity in different region inside the horn respectively.
通常，信息的存在在情势是信号幅度尽对幅度或绝对幅度、频率或频谱成分、相位或者跟其余信号之间的时序关联。
This information normally exists in the form of signal amplitude (absolute or relative) frequency or spectral content phase or timing relationships with respect to other signals.
通常，信息的存在在形式是信号幅度绝对幅度或相对幅度、频率或频谱成分、相位或者和其他信号之间的时序关系。
This information normally exists in the form of signal amplitude (absolute or relative), frequency or spectral content, phase, or timing relationships with respect to other signals.
在单脉冲雷达中，和差通道接收机的幅度和相位影响单脉冲雷达的测角精度。
In monopulse radars, the amplitude and phase of sum and difference channels have influence over Angle measurement accuracy.
工作在宽频及恶劣环境条件下的单脉冲雷达，和差通道的幅度和相位会发生严重漂移。
Operating in bad environments and wide band conditions, the amplitude and phase of monopulse sum and difference channels may drift severely.
通过实验获得了声相位图与声幅度图，并通过数字图像处理获得了相应的速度图与衰减图。
After processing the amplitude image and phase image which was come from experiment we obtain the distribution of the velocity and attenuation.
通过实测，验证了他激模式下幅度控制环路和相位控制环路中实现数字式控制的可行性。
In the experiment, the feasibility of the digital control is validated for amplitude and phase close loop operation in driven mode.
该模型通过设计信号幅度和相位参数的不同变化，可以实现压缩前后信号可控的解相关性。
By changing amplitude and phase of the simulated signal, controllable decorrelation between the pre-and post-compression signals can be practiced.
雷达MTI系统的性能与雷达发射机的相位及幅度稳定度直接有关。
The performance of MTI system is directly related to the phase and amplitude stability of the radar transmitter.
该文研究了有源转发器延时对距离向压缩信号、方位向压缩信号幅度和相位的影响；
The effect of transponder time-delay on amplitude and phase of both range-compressed and azimuth-compressed signal are researched.
得出了啁啾幅度和啁啾相位与调制频率的关系。
Chirping amplitude and phase changes with the modulation frequency are present.
雷达回波信号中，除幅度、相位和多普勒频移外，还存在第四特征——极化信息。
Besides amplitude, phase and Doppler frequency, polarimetric information is the fourth characteristic in the radar echo.
该系统的关键部件是一个数字中频接收机，利用DSP和FPGA实时获取幅度和相位数据，从而提高了测量速度和灵活性。
The key component of the system is a digital intermediate frequency receiver employing DSP and FPGA to obtain amplitude and phase data in real-time, which improves measurement speed and flexibility.
宏命令可以按照要求一次完成所有阵元的建模、相位修正和幅度加权。
The macro command can complete the modeling, the phase correction and the amplitude weighting of all array elements within the requirements.
针对一类单幅图像的复制遮盖篡改，提出一种基于快速傅立叶变换相位和幅度的自相关检测算法对篡改部位进行检测。
To detect the forged parts in a single image with copy-move attack, an autocorrelation detection method based on phase and amplitude spectrum of FFT is proposed.
并给出神经判决反馈均衡器的复数算法，在复数信道中可以有效地对相位和幅度作出补偿。
And, the complex algorithm of the neural DFE is given, which can effectively compensate the phase and amplitude loss in the complex channel.
本文介绍了一种利用雷达回波幅度信号频谱相位信息进行角度超分辨的方法。
A method which makes use of the phase information of spectrum of radar echo amplitude signal to make azimuth super resolution is given.
这个方法可用于同时实现予给传输系数的较复杂的幅度和相位。
This method can also be used to realize both the more complex magnitude and phase ofa prescribed transfer function.
数字微波低电平系统用于控制超导腔的RF相位和幅度。
The digital LLRF system is used to control the RF phase and amplitude inside the superconducting cavities.
连续相位调制由于其具有恒定包络幅度且对任意的调制信息序列能保持信号的相位连续，从而能够有效的改进信号的频谱特性。
The continuous phase modulation has the constant amplitude and its phase is continuous, which make the signal has a very good power spectrum.
研究信号检测算法的FPGA 实现，获取信号的频率，幅度，相位等参数。
Researching the implementation of signal detection based on FPGA and acquiring the parameter of IF signal, such as frequency, amplitude and phase.
相继两次DFT分析（实为一次复时域信号分析）可精确确定诸分立谱线的频率、幅度与相位。
The frequency and amplitude and phase of discrete spectral lines can be calculated through two DFT analyses one after another, which is one complex time domain signal analysis virtually.
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