为了测试3G和4G是如何影响调制解调器的电池寿命的，我在我的实验室进行了一些测试。
To see how connecting with the modem over 3G or 4G affects battery life, I ran some tests back at my lab.
您猜猜，第一个测试版的用户就使用了那个类型的调制解调器。
You guessed it... the first beta customer used only that type of modem.
我曾经在一家网络公司工作过，该公司将一个产品进行了beta测试，尽管用某一种类型的调制解调器会失败。
I once worked for a networking company that shipped a product to a beta test even though it was failing with one type of modem.
一旦查出问题后，调制解调器需要重新连接和测试，来验证正常的传输电平。
Once the problem is fixed, the modem is reconnected and tested to verify normal transmit levels.
最后的光圆偏振度测试结果表明，本论文设计的调制器输出光的圆偏振度高达99.9%。
The test results demonstrate the circular polarization degree of output light of this optical circular polarization modulator is above 99.9%.
为了验证理论分析，设计了射频调制法测试介质膜滤波器群速度延时的实验装置。
To validate the theoretical analysis, a test system for group velocity delay was set up based on RF modulation.
该系统可以自动测试不同调制频率下红外探测器的电压响应率和探测率，能够快速准确地完成测试任务，满足了测试要求。
The system can be used to measure the voltage responsivity and detectivity of infrared detector at different modulation frequency with rapid speed and high accuracy, it meets the need of measurement.
为精确测试半导体激光器(LD)的光功率-电流-电压(LIV)特性，提出一种基于脉冲注入调制的方法，并据此研制新型的LD脉冲测试系统。
A method based on pulse injection was put forward to test the light-current-voltage (LIV) characteristics of laser diode (LD), and a new type of pulse measurement system was developed.
本文介绍了一种用声光调制器、模拟除法器和自动锁相放大器来改进激光探针测试系统稳定性的方法。
This paper reports a technique used lor improving the stability of the laser probe consisting of an acoustooptic modulator, an analogue divider and an auto-lock-in amplifier.
利用动态扫描工作点的信号检测方法，对传感器在不同的交流调制磁场下输出信号进行测试分析。
By active scanning method, the output signal of the sensor is detected and analyzed under different ac modulating magnetic fields.
利用矢量信号分析仪对调制器进行了测试。
The implemented wideband modulator is tested by the VSA(vector signal analyzer).
二类型测试共同地被使用在调制器学校。
嵌入式调制解调器的开发，可以分为三大部分：前期分析、中期设计和后期测试。
The research and development of embed modem is composed by three parts:the prophase analyse, the middle design, the anaphase testing.
说明了此种调制器的优点，给出了实际应用的测试波形。
The test results are presented, and the advantages of the modulator are summarized.
针对内孔零件批量快捷测量的问题，提出了基于反射式光强调制型光纤位移传感器的电子塞规测试系统。
To obtain rapidness in batch measuring of aperture, a system of electronic plug gauge, based on RIM-FODS, was put forward.
在射频电路方面，提出了频率合成器和调制解调器设计方案，并通过测试证明了该方案的可行性。
In the aspect of RF circuits, the scheme of frequency synthesizer and modem is proposed, and the feasibility of the scheme is verified by practical test.
从无线电高度表工作原理的分析与研究出发，提出了基于虚拟仪器技术和I/Q调制器的无线电高度表动态测试系统的总体设计，同时对测试数据的处理理论进行了一定的分析和研究。
This paper analyzes the working mechanism of aerodynamic missile-borne radio altimetre and puts forward a new design for the radio altimetre based on virtual instrument and I/Q modulator.
为了德国电子同步辐射加速器(DESY)的TESLA测试设备(TTF)研制新型调制器积累一些必要的经验，设计了一种15 0v的直流开关长脉冲调制器模型。
In order to get some experience to build a new modulator for DESY TESLA Test Facility (TTF), a 150v direct switch long pulse modulator has been designed.
为了突破传统测量方法的局限性，本文着重研究相位型液晶空间光调制器多参数测试和评价方法。
In order to break through the limitation of traditional measurement this thesis mainly focuses on the research of multi-parameters testing and evaluation method of phase-only LC SLM.
为了突破传统测量方法的局限性，本文着重研究相位型液晶空间光调制器多参数测试和评价方法。
In order to break through the limitation of traditional measurement this thesis mainly focuses on the research of multi-parameters testing and evaluation method of phase-only LC SLM.
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