modulation of the phase of the carrier wave

the jamming of multiple noise and the polynomial phase modulation caused by non-uniform relative motion are the main problems in mmw doppler guidance radar signal processing.

乘性噪声的干扰和非匀速相对运动所引起的多项式相位调制是毫米波多卜勒制导雷达信号处理中所面临的主要问题。

we can realize the automation of the phase modulation by programming the controller of stepper motor.

通过对步进电机控制器编程实现了相位调制的自动化。

the coupling of noise to signals is simulated by addition multiplication convolution amplitude modulation or phase modulation etc.

并以相加、相乘、回旋积、强度调变、或相位调变等方式，类比杂讯与讯号之结合。

in the paper it was studied that the frequency synthesizer and multiplier and the phase modulation circuit of the rubidium atomic frequency standards (rafs).

本论文重点是研究被动型铷原子频标中的调制电路、频率合成电路和倍频电路。

joint frequency and phase modulation (jfpm) utilize frequency and phase information to realize higher efficiency in the frequency and power.

联合频率相位调制（jfpm）同时利用频率信息及相位信息，具有较高的频带利用率和功率效率。

minimum shift keying(msk ) is a typical formation of continous phase modulation with constant envelope. this paper provides a simple and flexible implementation scheme by using eprom.

最小移频键控（msk）是恒包络连续相位调制中的一种典型制式。本文提出一种用eprom实现该制式的一种简便方法。

an circular radial shearing interferometer based on spatial phase modulation is proposed to measure the transient near infrared laser pulse wavefront with high precision.

提出了一种基于空间相位调制技术可用于近红外瞬态波前高精度检测的环形径向剪切干涉仪。

mode locking can be induced not only by loss modulation, but also by phase modulation .

锁模不仅可用损耗调制取得，也可用位相调制来得到。

carrierless amplitude and phase modulation has emerged as the de facto standard, having captured most of the nascent market to date.

无载波振幅和相位调制正在成为事实上的标準，迄今已占了这个新生市场的大部分。

the continuous phase modulation has the constant amplitude and its phase is continuous, which make the signal has a very good power spectrum.

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。

a new method to produce and pick-up optical label using phase modulation was put forward. the principle of this method was analyzed and experiment principle architave was designed.

本文提出了一种用相位调制实现光标记产生和提取的新方法，分析了这种方法的原理，设计出产生和提取光标记的试验框图。

it is difficult to elevate resolution higher for synchronous voltage-to-frequency converter (svfc) since its phase modulation characteristic and the restrict of output frequency upper limit.

同步v/f转换器由于其输出频率的相位调制特性，以及输出频率上限的限制，影响了其分辨力的进一步提高。

due to additive relative motion between ground jamming emitters and sar, the spurious phase modulation of transmission signal is produced.

地面干扰发射机和sar之间的附加相对运动，产生了传输发射信号的寄生相位调制。

minimum shift keying(msk ) is a typical formation of continous phase modulation with constant envelope.

最小移频键控（msk）是恒包络连续相位调制中的一种典型制式。

the optic fiber sensors of phase modulation type developed by the interference theory in traditional optics are high sensitive.

根据传统光学干涉原理研制出的相位调制型光纤传感器，其突出优点是灵敏度高。