通过研究几种发射脉冲的一次反射和二次反射的接收波形以及它们的误码率特性，研究了信道多径失真对室内无线光通信的影响。
The paper researches the received waveform and the characteristic of BER in one refection and twice refection, studies the influence of multipath distortion on the transmitted pulse.
电流会在打开的毛孔中流动，而神经细胞会发射一个个电脉冲。
The opened pore allows electrical current to flow, and the neuron fires an electrical impulse.
该装置依靠微型电池驱动，设有内置天线，它的发射器可以利用各种编码脉冲进行数据中转。
The device operated on tiny power cells and had a built-in antenna. Its transmitter would relay data from the device by means of coded pulses.
飞行器亦非唯一可发射破坏性电磁脉冲的运载工具。
Nor are aircraft the only vehicles from which destructive electromagnetic pulses can be launched.
月球探测器上的激光高度计(LOLA)的工作原理为：发射一束激光脉冲，利用光学镜片将其分为五道光线，当光线到达月球表面后会自动反射至激光高度计上。
The lunar Orbiter laser Altimeter (LOLA) works by sending a laser pulse through an optical lense that splits it into five beams that are each scattered back after they strike the lunar surface.
这艘无人航天器——灵感来源于20世纪70年代英国星际学会研究的核脉冲推进——理论上讲在发射后100年内抵达其目标恒星。
The unmanned space vehicle — inspired by nuclear pulse propulsion studies by the British Interplanetary Society in the 1970s — will ideally reach its target star within 100 years after launch.
作为美国国家航空航天局和法国国家太空研究中心(FrenchCentre Nationald'Etudes Spatiales,CNES)的一项联合任务，CALIPSO卫星携带着一部脉冲激光器(激光雷达)，向大气中发射短脉冲激光。
A joint mission between NASA and the French Centre National d'Etudes Spatiales (CNES), CALIPSO carries a pulsating laser (lidar) that sends short pulses of light through the atmosphere.
尽管我们还没有检测到外星人的脉冲信号，可是技术上的进步鼓励我们去思考，如果外星人在那里发射信号，那么我们就可能很快会发现它们。
Although we have yet to detect an alien ping, improvements in technology have encouraged us to think that, if transmitting extraterrestrials are out there, we might soon find them.
NIST的科学家们用激光器发射一系列异常短暂并且紧密相间的光脉冲，其中包含了上万种颜色。
NIST scientists start with lasers that emit a continuous train of very brief, closely spaced pulses of light containing a million different colors.
很多后台运行的服务更新位置反而倾向于向发射塔发送脉冲以确认你是否定期的移动。
Many service that update location in the background instead tend to ping towers to see if you've moved periodically.
每个分子都会对短脉冲的轻击产生应激，发射出独有的振动频率。
Every molecule gives off its own unique vibrational frequency in response to the kick from the short pulse.
当高锟开始研究光纤学的时候激光能够发射光脉冲通过光纤和已经存在。
Fiber optic cables and lasers capable of sending pulses of light down them already existed when Dr. Kao started working on fiber optics.
例如，被称为脉冲星的自旋中子星发射出像钟摆一样的电磁脉冲。
For example, spinning neutron stars called pulsars emit clocklike streams of electromagnetic pulses.
通过天体观测，我们已经确认了银河系里约1800颗脉冲星，其中大部分都能发射出无线脉冲信号，信号的强弱随着这些脉冲星的旋转产生变化。
Sky surveys have identified about 1800 pulsars within the Milky Way, most of which emit pulsing radio signals that rise and fall as the pulsars spin.
当研究人员为qubit发射一个电子脉冲时，所产生的量子被转移到谐振器中，谐振器相应产生波动。
When the researchers sent a pulse of energy into the qubit, the resulting energy quantum was transferred to the resonator, which fluctuated accordingly.
那个叫做Mini-SAR的雷达，通过向月表发射左旋极化电磁脉冲来测定月球的表面粗糙度。
The radar, called the Mini-SAR, sends pulses of left-polarized radio waves out to measure the surface roughness of the moon.
并且，如果在强脉冲之上，有一较小的，类型恰巧合适的脉冲发射的话，探测器就只能记录下一个1或者0。
And if, on top of the bright pulse, a smaller pulse of just the right type is sent, the detector can be forced to record a one or a zero.
通过软件程序对红外遥控器发射的脉冲波形检测得出信号码，从而为软件解码提供依据。
Pulse waves are sent to infrared remote devices through software program and are examined to get signal codes, which provide evidences for software decoding.
建立了基于脉冲表面波声场的声发射传感器标定系统，对商用和自制的几种声发射传感器进行了标定。
The ae sensor calibration system based on pulsed surface wave sound field was built several commercial and self-made ae sensors had been calibrated on it.
脉冲星能够通过多种机制发射引力波，而且正好是在地基探测器的比较灵敏的频率范围内。
Pulsars can emit gravitational waves by a variety of mechanisms in the sensitive frequency range of ground-based detectors.
机载SAR为提高信噪比并同时减少发射功率，往往使用较高的脉冲重复频率(PRF)。
For improving the SNR and the reducing transmit power of the SAR simultaneously, airborne SAR often use high PRF (Pulse Repetition Frequency).
在银河系，爆能手枪是军民两用的标准远程武器，它能发射被称为“能量束”的凝聚光基能量脉冲。
The standard ranged weapon of both military personnel and civilians in the galaxy, the blaster pistol fires cohesive bursts of light-based energy called bolts.
我们的发射机正在发射一系列短脉冲。
声发射脉冲就包含一个很宽的频率组成范围，可扩展到兆赫。
An acoustic-emission pulse contains a very wide range of frequency components, extending up into the megacycle range.
介绍了一种用于热疗法中超声测温的双超声脉冲发射接收电路。
This paper introduces double ultrasound pulse transmitting and receiving circuits used in ultrasound thermometry.
揭示了混凝土在准静载下裂纹扩展与电发射脉冲之间的关系。
The relationship between electric emission pluse and the propagation of cracks in concrete under quasi-static loading is exhibited.
提出了一种利用中频正交双通道测量雷达发射机射频脉冲序列起伏的新的测量系统，并对此系统进行了理论分析。
This paper introduces a new system for measuring the fluctuation of radar RF pulse series by using IF quadrature dual channel, and gives theoretic analysis of this system.
数字部分包括低频视频(使接收机与发射机保持同步的脉冲)以及用于高质量立体声的音频信号。
The digital portion includes low-frequency video, the pulses that keep receivers synchronized with transmitters, and the audio signal for high-quality stereo sound.
全固态脉冲雷达发射机中，电源的负载是一个脉动的负载，其设计不同于常规电源。
In an all solid state pulsed radar transmitter, the load of power supply is a pulse one, which is designed unlike normal power supplies.
全固态脉冲雷达发射机中，电源的负载是一个脉动的负载，其设计不同于常规电源。
In an all solid state pulsed radar transmitter, the load of power supply is a pulse one, which is designed unlike normal power supplies.
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