It plans to launch a hard X-ray modulation telescope to study the matter dynamics and high-energy radiation processes in the strong gravitational field of compact celestial bodies and black holes.
发射硬x射线调制望远镜，研究致密天体和黑洞强引力场中物质动力学和高能辐射过程。
The pulse position modulation (PPM) technique is widely used in the field of ultra-wideband wireless digital communication.
时间脉冲位置调制(PPM)技术在超宽带无线数字通信领域得到了广泛应用。
High electron mobility transistors (HEMT) is one of field effect transistors, which is made by modulation doped heterostructure technology and possess super high electron mobility.
高电子迁移率晶体管(HEMT)是利用异质结和调制掺杂技术制成的具有超高迁移率的场效应晶体管。
And the techniques of double-slit filter and "cross-filter" can be used to extract the near field wavefront of the laser beam with phase modulation and amplitude fluctuation.
而且，利用双狭缝滤波和“交叉滤波”技术能够提取出具有位相调制或者是具有振幅起伏的近场波面。
The application of nonlinear PID method, which is a latest achievement in the field of control technology, in high voltage direct current (HVDC) modulation controller is studied.
对控制领域的新成果——非线性PID方法应用于直流输电调制控制器做了较为系统的研究。
In the paper, the threshold, light output, mode, modulation, polarization, far field characteristics and thermal resistance effects are analyzed and generalized.
本文分析总结了垂直腔面发射激光器的阈值特性、光输出特性、模式特性、调制特性、偏振特性、远场特性以及热阻效应。
ESPI can measure the object, through forming a carrier pattern on the object surface (carrier pattern modulation), analyze the relation between displacement field and altitude of the object surface.
电子散斑干涉测量技术通过在被测物体表面产生干涉条纹(载频调制条纹)，分析位移场与物面高度之间的关系，可测量物面的形貌。
The application system of laser information field mainly consists of two basic parts: modulation encoding and reception decoding.
激光信息场应用系统主要由调制编码和接收解码两个基本部分组成。
A novelty space vector pulse width modulation (SVPWM) technique for the two-phase inverter-fed asynchronous motors system is proposed, which can be widely used in the low or middle power level field.
研究了二相逆变器-异步电动机系统的空间矢量脉宽调制(SVPWM)控制技术。
Nowadays, the mainstream of far field beam smoothing technology adopted by foreign high power laser drivers is smoothing by spectral dispersion (SSD) based upon sinusoidal frequency modulation.
目前，国外高功率激光驱动器实现远场分布平滑化的主流技术是基于正弦调频脉冲的光谱色散平滑技术(SSD)。
Further increasing modulation period leads to the emerge of incoherent interface and the destroy of alternating stress field, accompanied by the decreased mechanical properties.
进一步增加调制周期，两调制层之间产生非共格界面，破坏了薄膜中的交变应力场，薄膜的硬度和弹性模量也随之降低。
All-digital modulation is a hot field in modern communication systems.
全数字调制技术是当前通信领域研究的一个热点问题。
The diffraction modulation of ultrashort pulsed-laser is less than that of CW laser, so only serrated aperture can be used to get uniform near-field uniform intensity distribution.
和单色激光的衍射不同，宽带的飞秒光束衍射调制较小，直接利用锯齿光阑，便能获得近场光强分布相对均匀的光束。
In the field of today's wireless communication, a new trend is the technology of direct RF modulation.
在当今无线通信领域中，一个新兴的结构趋势就是发射信号的直接射频技术。
The output of PWM(pulse width modulation)was automatically adjusted by TL494 to control the field current of the generator, which accomplished stabilizing output v.
通过TL494自动调节PWM输出控制励磁电流，达到稳定发电机输出电压、输出电流和限流充电的目的。
Traditionally, DSP only concerns in source coding as well as channel coding, but today, it begins to set foot in radio frequency modulation field.
信源编码，信道编码是DSP在通信信号处理中的传统经典应用，而如今DSP已深入射频调制部分。
When the external electric field is given, the maximum modulation instability growth rates will increase to a maximum then decreases as the incident optical intensity enhances.
在外加电场给定时，调制不稳定性增长率的最大值随入射光强的增大先达到一峰值然后又减小。
Modulation domain provides insight to complex modulated signals and opens a new field of measurement technology.
调制域为人们打开了分析复杂调制信号的新视角，开辟了测量技术的新天地。
Experiments reveal that there are neural feasibility and superior performance in application of network method in signals modulation -recognition field.
实验表明，用神经网络的方法进行通信信号的调制识别具有实际可行性和优越的性能。
Comparing with FWM without dressing fields (NDFWM), the strength of the singly-dressing FWM (SDFWM) signal is suppressed when the modulation-field is linear or elliptically polarized.
与非缀饰四波混频(NDFWM)信号的强度相比，单缀饰光作用下的四波混频信号(SDFWM)的强度在偏振调制光为线偏振及椭圆偏振的情况下受到了不同程度的抑制。
Comparing with FWM without dressing fields (NDFWM), the strength of the singly-dressing FWM (SDFWM) signal is suppressed when the modulation-field is linear or elliptically polarized.
与非缀饰四波混频(NDFWM)信号的强度相比，单缀饰光作用下的四波混频信号(SDFWM)的强度在偏振调制光为线偏振及椭圆偏振的情况下受到了不同程度的抑制。
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