The binary phase-only filter (BPOF) digital watermarking is a semi-fragile watermarking technique used for the image credibility authentication.
二元纯位相滤波器(BPOF)数字水印是一种用于图像真实性认证的半脆弱水印技术。
For a confocal microscope with a finite-sized detector, the improvement in axial resolution by a phase-only filter with two zones was experimentally investigated.
针对采用有限大小探测器的共焦显微系统，利用两区相位型滤波器提高系统的纵向分辨率。
If the phase and frequency changes in the relationship is linear, then the filter would signal delay is only a constant number.
如果相位与频率的变化关系是线性的，那么滤波器仅仅会使信号延时一个常数量。
But design only considered the range characteristics, didn't consider phase characteristic, the design is a certain general filter nonlinear phase characteristic.
但设计中只考虑了幅度特性，没考虑相位特性，所设计的滤波器一般是某种确定的非线性相位特性。
For overcoming the shortcoming, a phase-only optical filter is used to change the phase of annular zones of coherent extended source.
为了克服这个缺点，提出了使用相位滤波器改变相干面光源不同环区的相位。
A kind of coding method of gray-scale phase-only matched filter according to the phase modulation property of the spatial light modulator has presented.
根据空间光调制器的相位调制作用，提出了一种灰阶纯位相匹配滤波器编码方法。
Especially three-phase four-wire active power filter hardware has simple structure with only three group switch device.
特别是三相四线制有源电力滤波器硬件结构简单，只有三组开关器件。
Computer simulations show that this kind of filter is much more sensitive as compared to a matched spatial filter or a phase-only one.
计算机模拟的结果表明，这种滤波法对输入信号的旋转变化和尺度缩放变化，相对于传统的匹配滤波法及仅相位滤波法要敏感得多。
The new learning control rule not only incorporated a state compensation in the conventional ILC formula but also adopted the wavelet transform to filter learnable tracking errors without phase shift.
在新控制算法中，除了在传统算法基础上增加了状态补偿外，还引用了小波变换来对跟踪误差进行了滤波而没有相位补偿。
The new learning control rule not only incorporates a state compensation in the conventional ILC formula, but also adopts the wavelet transform to filter learnable tracking errors without phase shift.
在新控制算法中，除了在传统算法基础上增加了状态补偿外，还引用了小波变换来对跟踪误差进行了滤波而没有相位补偿。
In digital communication, ideal MDPSK signal has the phase jump and larger side beam power in the code switching. It can be sent only after a bandpass filter.
在数字通信中，理想的MDPS K信号在码元切换时会发生相位跳变，旁瓣功率较大，需要经过限带滤波后才能够发射。
In digital communication, ideal MDPSK signal has the phase jump and larger side beam power in the code switching. It can be sent only after a bandpass filter.
在数字通信中，理想的MDPS K信号在码元切换时会发生相位跳变，旁瓣功率较大，需要经过限带滤波后才能够发射。
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