本文论述的寄生气象检测系统是一次雷达中的气象检测通道。
The radar serves for plane starting and arriving, and provides alarm of dangerous weather.
下雾时要叫我，鸣放汽笛，动用测深仪，启动一次雷达不要超过20分钟。
Call me when the fog set in. Sound regulation whistle, attend to echo sounding and start radar at an interval not more than 20 minutes.
相比于一次雷达，采用单脉冲技术的二次雷达可以更加准确的测量空中目标的距离和方位。
Compared with the Primary Radar, the Secondary Surveillance Radar using the Monopulse Technology can measure the range and the azimuth of the targets more accurately.
简要介绍了空中交通管制雷达的组成，提出了一次雷达、二次雷达信号模拟器的实现方案，对相应的软、硬件设计进行了分析。
The implementing project for the signal simulator of the primary radar and the secondary radar is presented , and the corresponding designing of the hardware and software are analyzed.
意外惊喜是：这个应用程式还会记住用户，所以当你下一次登录它的时候，NOAA雷达就会准备好显示你所在位置的雷达。
Bonus: the app remembers the user, so next time you load it, NOAA Radar will be ready to display radar for your location.
2009年2月，诺斯罗普·格鲁曼公司通过第一次审核(VCR- 1)，其中审核了公司在B - 2雷达的硬件和基本运作模式的测试。
In February 2009, Northrop Grumman passed Verification Compliance Review (VCR) -1, which audited the company's testing of the B-2 radar's hardware and basic operational modes.
雷达系统改进计划开始于2006年，是日本AWACS飞机第一次主要的升级。
The Radar System Improvement Program was begun in 2006 and is the first major upgrade to Japanese AWACS aircraft.
为一劳永逸终结关于Ho 2 -29是否具备隐形能力的争议，专家们第一次检验了那架幸存2 - 29。并以当时二战雷达技术为基础用一架便携式雷达对它作了测试。
To determine once and for all whether the Ho 2-29 had stealth capabilities, experts first examined the surviving 2-29 and probed it with a portable radar unit based on World War II radar tech.
在一次森林调查期间，从一架飞机负载的激光雷达上扫射出一束发出大约一秒7万次脉冲的红外光从树冠层上穿过。
During a forest survey, an aircraft-borne lidar sweeps a beam that fires about 70, 000 pulses a second over the canopy.
在一次森林调查期间，从一架飞机负载的激光雷达上扫射出一束发出大约一秒7万次脉冲的红外光从树冠层上穿过。
During a forest survey, an aircraft-borne lidar sweeps a beam that fires about 70,000 pulses a second over the canopy.
马航370航班最后一次出现在雷达是在越南和马来西亚上空。
Malaysia Airlines Flight 370 was last seen on radar above Vietnam and Malaysia.
另一种为单路一次对消器，它适用于宽脉冲雷达。
This system can successfully be applied to wide pulse radars.
那是一次漫长而危险的旅行。并且有时一条船就象和一架飞机从雷达屏幕上消失一样地突然不见了。
It was a long and perilous journey. And some times a ship just vanished, like a plane off a radar screen.
雾起，立即召唤船长，开始保持每20分钟用雷达环扫一次海面，回声测深52拓，备车，开启雾号。
Fog sets in, call master at once. Began to keep on radar for detecting to the sea all round at an interval of every 20 minutes. Sounding by echo 52 fathoms. Standby Engine. Fog signal started.
上了2年多的建设。它是在2006年大修。超过200的部分包括一个单一的雷达桅杆粘在一次。
The Superstructure took over 2 years to build. It was overhauled in 2006. Over 200 sections comprises a single radar mast glued one section at a time.
近年每两年均举行一次专门的探地雷达国际会议，国内外各种学术期刊上也有较多探地雷达方面的论文发表。
The international conference on ground penetrating radar being hold every two years in recent years, a lot of papers about GPR technology have been published in all kinds of academic magazines.
本文利用边界层风廓线雷达提供的风场资料，对南京2009年7月6日—7日的一次大暴雨过程中低空急流与强降水的关系进行了详细分析。
An analysis of the relationship between the heavy rainfall from 6 to 7 July 2009 in Nanjing and low level jet is made on the data of boundary wind-profiler.
针对机载雷达平面裂缝阵列天线重量轻、刚度大的要求，设计了一次焊接成型的整体结构天线。
In order to reduce weight and improve rigidity, the antenna structure is designed all at once welding.
雾来了，立即召唤船长，开始保持每20分钟用雷达环扫一次海面，回声测52拓，备车，开始雾号。
Fog comes, call Captain at once. Began to keep on radar for detecting to the sea all round atr a interval of every 20 mins. Sounding by echo 52 fms. S/B. Fog sig started.
然而我们又一次失望了，当时我们的雷达设备发生故障，雷达操作员无法辨认目标。
Then we had another disappointment when our radar equipment malfunctioned and the radar operator couldn't identify the target.
利用多普勒雷达资料对烟台市一次初春暴雪天气的多普勒速度和风场结构特征进行了分析。
The paper analyses the evolution of Doppler velocity and the structure of the wind field during a infrequent snowstorm of earlier spring taken place in Yantai by using Doppler radial products.
此外，从历史的角度来看，下一次的经济衰退，无论它何时发生，只会象一个雷达上的小点一样。
Moreover, from the broad vantage point of history, the next recession, whenever it occurs, will likely be a minor blip.
此外，从历史的角度来看，下一次的经济衰退，无论它何时发生，只会象一个雷达上的小点一样。
Moreover, from the broad vantage point of history, the next recession, whenever it occurs, will likely be a minor blip.
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