描述了波段探测率的测试方法和实验计算,给出了探测器的测试和计算结果。
The paper describes the measuring and the calculating methods of the wave banddetectivity and the test results of IR detectors.
热电探测器能在室温下工作,具有很宽的光谱范围和较高的探测率,因此得到广泛应用。
The thermoelectricity detector can work under the room temperature, it has the very wide spectrum scope and high survey rate, therefore the thermoelectricity detector is widely applied.
在低空间频率范围内,后者和前者的探测率比近似等于SPRITE探测器的调制传递函数,接近于1。
The result indicates that the ratio of the detectivities is approximately equal to the modulation transfer function of SPRITE detectors in the region of low spatial frequency, which is near 1.
在探测器产生光电子的概率为泊松分布和高斯分布的情况下,分别对信号的探测率和虚警率进行了定量的计算。
When the probability of the photoelectrons produced by the detector is of Poisson or Gaussian distribution, the detectivity and false alarm probability of the signal are calculated respectively.
微光电视工作于极低照度或恶劣环境下,输出信噪比明显降低,目标完全淹没在背景噪声中,使探测率大大下降。
Low light level TV is usually operated under extremely low illuminance or other adverse circumstances and the output SNR decreased to such a level that possibility of detection is greatly reduced.
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.
他宣称,当一个人第一次说谎并且是一个大谎的时候,他能够以几近完全的精确率探测出谎言来,而且你也能够这样。
He claims that when a person is telling a lie for the first time and it's a big one, he can detect the lie with near-perfect accuracy — and so can you.
其他的感应装置是基于微分迁移率分析方法和红外探测。
The other sensors will be based on ‘differential mobility analysis’ and infrared detection.
这种矩形机器人,看上去有点像缩小版的太阳能汽车。它装备着高分辨率的摄像机和传感器,能探测到长的过分高大的树木。
The rectangular robot--looking a bit like a scaled down version of a solar car--is equipped with a high-definition camera and sensors that can detect overgrown trees.
五角大楼最高级的探测设备——无人驾驶飞机和空中探测器——其探测的准确率只达50%,而犬类的准确率则能将这个比率提高30%。
The rate of detection with the Pentagon's fanciest equipment — drones and aerial detectors — was a 50 percent success rate, but when a dog was involved it rose 30 percent.
如果探测器与火星保持静止,那么它向地球发出的信号将会产生频率畸变。由此,我们可以推算出火星轴线的扰动率。
If the rover were not moving, the frequency distortions of its signals to Earth would reveal the rate of wobbling in Mars's axis.
探测 JVM可以知道用去的总内存、空闲内存的百分率、使用内存的百分率等。 可以观察空闲内存的百分率来识别内存漏洞。
Probing a JVM shows total memory used, percentage of free memory, percentage of used memory, etc. Observe the percentage free memory to identify memory leaks.
通过使用这些特定的报告,使用这些代码覆盖率数据,以探测许多团队可能会碰到的一些共同类型的问题。
By using these specialized reports it is possible to use code coverage data to detect some common types of problems that many teams encounter. For example.
更实际情况中,普通的STM没有空间分辨率来探测轨道的细节内容。
More practically, the run-of-the-mill STM doesn't have the spatial resolution to detect the fine details of the orbital.
我们需要提升重力波探测仪的分辨率。
We need to boost the resolution of a gravitational wave detector-type of kit. Enter the "Holometer."
这幅图像是由火星轨道探测飞船上搭载的高分辨率科学实验照相机(HiRISE)最近在环绕火星的轨道上拍摄的。
This image was taken by HiRISE camera on board the Mars Reconnaissance Orbiter, currently in orbit around Mars.
该方法结合随机早探测(RED)算法,通过ARQ发送窗口和分割队列长度以及重传率进行拥塞控制。
According to RED (Random Early Detection) algorithm, this method controls the congestion through the ARQ sending window, the length of segmentation queue and the link-layer retransmission rate.
小行星的体积越大,潜在灾难的规模就越大。行星的表面反射率——天文学家称为反照率——决定了它有多容易被探测到。
The bigger the asteroid, the greater the potential cataclysm. The reflectivity of the surface — what astronomers call albedo — tells how easily it can be detected.
美国宇航局的这两辆探测器飞临月球表面,绘制高分辨率月球重力分布图。
The two NASA probes have flown close to the lunar surface, producing a high resolution gravity map of the Moon.
实验结果表明,CZT探测器具有良好的工作性能,系统测量具有快速,高精度,高空间分辨率等特点。
Results show that the CZT detector works well; and the system measurement is characterized by fast speed, high-precision, and high spatial resolution etc.
连续测量的水流速度是通过不同源距探测器计数率的比值来确定。
Water-flow velocity of continuous measurement was determined by the ratio of count rate value of different source spacing detectors.
除CIP监测外,传感器还可被用于监测色谱分离层分离洗提液的传导率,探测液体界面。
In addition to CIP monitoring, the sensor can be used to monitor the conductivity of eluents in chromatographic separations and to detect liquid interfaces.
替代存储是这样一套设备,通常被用来低成本且有效的存储数据仓库数据,同时能够探测和访问那些必要但是低访问率的数据仓库数据。
Alternative Storage is the set of devices used to cost-effectively store data warehouse and exploration warehouse data that is needed but not frequently accessed.
非致冷双材料室温红外探测器具有高响应率和低噪声的特点,噪声等效温差接近理论极限。
Uncooled bi-material infrared detectors have the potential of approaching the theoretical limit of noise equivalent difference in temperature because of its high sensitivity and low noise.
本文所述工程实例开始设计应用视电阻率测深来探测工程区的岩溶裂隙发育情况。
The engineering in this paper case commences designing to apply apparent resistivity in detection of karst cracks developed.
介绍了利用PND测井资料进行气层识别的方法,即利用近探测器计数率和远探测器计数率以一定比例进行重叠的方法识别气层。
The method for recognizing gas zone with PND logging data is introduced, which is to overlap the counting rates of a near detector and a far one to recognize gas zone based on certain scale.
实验证明,该策略可有效改善传感器网络覆盖率和目标探测概率。
Experiments show the new strategy can efficiently improve sensor network coverage and target detection accuracy.
选择合适的人工模型和已知的地质构造,进行了复电阻率探测实验,验证该方法的可行性和有效性。
Tests of complex resistivity exploration on appropriate artificial model and known geologic structure have been made. The results have verified the feasibility and effectiveness of this method.
选择合适的人工模型和已知的地质构造,进行了复电阻率探测实验,验证该方法的可行性和有效性。
Tests of complex resistivity exploration on appropriate artificial model and known geologic structure have been made. The results have verified the feasibility and effectiveness of this method.
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