The federal trial began in Manhattan of a former computer programmer at Goldman Sachs who is accused of stealing the source code for the investment bank's high-frequency trading platform.
在曼哈顿，联邦庭审了前高盛的一名计算机程序员。他被指控窃取该投行高频交易平台的源代码。
Whatever it is radar, eccm equipment, communication equipment or instrument, frequency source with high stability is needed to guarantee the quality of carrier signal.
无论是雷达、电子对抗，还是通信、仪器设备等都需要高稳定度的频率源，以保证载波信号的质量。
The paper was based on the goal of low phase noise, high resolution to study and analyze the wideband frequency source.
本文正是基于低相位噪声、高分辨率为目的，对宽带频率源作了研究和分析。
High quality millimeter wave frequency source is the important component in the development of millimeter wave systems and application.
优质的毫米波频率源是毫米波系统与应用的关键部件，它的性能很大程度上决定了系统的性能。
The square wave source is an impulse source in which digital technique is used. It has the advantages of rigid phase, high frequency stabilization and high antijamming.
方波电源是采用数字技术的脉冲电源，具有相位严格、频率稳定度高，抗干扰能力强等独特的优点。
The wheel web, by virtue of its geometry and material characteristics, is a good emitter of high-frequency sound, and is believed to be the primary source of curve squeal noise.
尺寸和材料的特性导致了轮辋是一个良好的高频声源，轮辋也被认为是曲线尖啸噪声的主要来源。
This paper discusses the theory analysis and circuit design of high-frequency high power source which is modulated by narrow pulse.
本文对窄脉冲调制的高频大功率源进行理论分析和电路设计。
The plasma microwave radiation, as a novel high power microwave(HPM) source, has gotten more attention in recent years for its merits of broadband, coherent emission and tunable frequency.
近年来，等离子体微波辐射作为新兴高功率微波源，因其具有频带宽、相干和可调谐等优点，因而受到国际上的广泛关注。
Using field emission cathode, X ray source can be made with several advantages: smaller volume and brighter, high frequency response, in-time turning on, etc.
采用场发射阴极的X射线光源具有体积小，辐射强度高，频率响应快，可以随时开启，无需预热的优点。
In this paper, a dynamic calibration method using a finite duration impulse excitation source is presented, which can be used to calibrate the frequency response of high-pressure transducers (HPT).
本文提出了用任意时限脉冲作激励源的一种动态校准方法，用于校准动压传感器的频响特性。
It is proposed that LCR output filter can decrease the peak value of the gain of voltage transfer function as well as the high frequency burr contained in the source current.
并且提出采用LCR输出滤波器来减小电压传递函数增益的峰值，从而在串联电感较小时能够同时减小电网电流中高频毛刺的含量。
This paper briefly introduces the basic principles and the performance of DDS. Then it mainly describes how to use AD9851 chip to design a direct digital synthesis frequency source with high accuracy.
首先简要介绍DDS的工作原理及其性能，然后阐述如何利用AD985 1芯片设计一个高精度直接数字式合成频率源。
A new signal source for electric impedance tomography system is developed to improve the high-frequency performance and to reduce the noise level of the old one.
目的研制用于电阻抗断层成像系统的信号源，提高现有系统的高频特性，同时降低其噪声水平。
In this paper, the principle and properties of power source high voltage frequency converter are introduced as well as its application in mixer fan of steelworks.
文章主要介绍了动力源高压变频器原理、性能及在炼钢混铁炉风机中的应用情况。
In the area where call frequency is high, we will add more channels to provide adequacy system service source to reduce average load.
对高话务量区域提出增补信道的建议，增加系统资源，降低资源平均负荷；
Switch power of high frequency is serious electromagnetic interference (EMI) source, so EMI source filter usually should be added in switch power.
高频开关电源是严重的电磁干扰源，很多情况下需对其安装emi电源滤波器。
In AC electrical field, the stable homogeneous glow discharge will appear by using dielectric barrier layer and high-frequency power source.
在交流电场中，利用介质阻挡层和高频激励源，可获得稳定均匀的大气压下辉光放电。
For a fixed sound source depth, the acoustical fields caused by high send frequency has strong sound intensity fluctuation, and their variation is sharp enough in an adjacent range.
对固定的声源深度，发射频率大的声场对应的声强起伏大，且相邻距离处起伏的强度很剧烈；
It can be used as a high-performance underwater acoustic target simulator, or as a low frequency broadband high power underwater acoustic source.
可用作水下目标声特征逼真模拟器(声靶)，也可作其它低频宽带大功率声源使用。
Geometrical optics approach can only calculate the high frequency approach solution of drilling bit vibration source wave equation in non caustic area but it become invalid in caustic area.
由于几何光学法求解钻头震源波动方程的高频近似解有局限性，即在焦散区失效，故只能计算非焦散区的高频近似解。
In the field of wireless correspondence, high performance of frequency source is the core part of communication facility, radar, electronic reconnaissance and resistance equipment.
在无线通信领域中高性能频率源是通信设备、雷达、电子侦察和对抗设备的核心部件。
Adding a resonance link to the traditional PWM inflexible switching circuit, a voltage-source inverter of high frequency and no switching less was formed.
具有共振直流环节的电压型逆变器是在传统的PWM硬件开关电路上加一个共振环节，构成高频、无开关损耗电压型逆变器。
The design procedures and examples of high frequency transformer Used in Inverter ArcWelding Power Source are proposed in this paper.
本文提出了逆变式弧焊电源高频变压器的设计步骤、方法以及实例。
A kind of high frequency pulse electrical source at the need of electromagnetic ultrasonic experiments is presented.
针对电磁超声实验对脉冲电源的需求，研制了一种高频脉冲电源。
We designed a large current AC constant current source of low frequency, and an electronic preamplifier with high sensitivity for the use of the instrument.
仪器中设计了大电流低频交流恒流源，高灵敏度前置放大器，并用单片机软件代替了大量电子线路的功能。
This paper introduces a high-frequency series resonant charing method of solid pulsed laser power source, basing on constant current charging of digital control technology.
介绍了一种高频串联谐振充电的固体脉冲激光电源及其数字化控制恒流充电技术。
To meet with the requirement of PECF finishing, pulse power source with high frequency, narrow pulse width and high current is designed.
为了满足螺旋锥齿轮等大型零件的脉冲电化学光整加工的要求，设计了高频、窄脉宽、大电流的脉冲电源。
To meet with the requirement of PECF finishing, pulse power source with high frequency, narrow pulse width and high current is designed.
为了满足螺旋锥齿轮等大型零件的脉冲电化学光整加工的要求，设计了高频、窄脉宽、大电流的脉冲电源。
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