airborne ultrasound

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Ultra-low-cost receiver ads-b signal (aircraft real-time position)-usb DVB-T TV Stick

What is ads-b:Broadcast automatic correlation monitoring (Automatic dependent surveillance-broadcast): Aircraft automatically broadcasts the exact location information of other ground moving targets in aircraft, airfield scene activity areas generated by airborne Star-based navigation and positioning systems, Periodic automatic monitoring of information broadcasts through specific data chains and formats, and means of receiving and processing of monit

2015 summary (and past)

dog poop during the interview. By his fancy. During the interview, I chatted for more than 2-3 hours when I was out of the company door and bought a bottle of water to drink. The offer was given that night.  In the 14, the company's various changes, the director of entrepreneurship went. Because of the different regions, I said a good exercise here. Come and see me later.In 14 years, I learned the most things.The company also came to a director, said not to be

Memoirs: When you were 30 years old, did you grow up? (Previous article)

(project Manager + demand staff) + backend group (development team).Then, in the Department meeting, the superior to the technical head of the status will introduce me, for me to establish the first prestige.So, and the South's largest project development manager, this is the real power, can mobilize half of the department personnel.And the Department of Technical Chief of the head of this seemingly department number two, although there is no power, but half the prestige.2: Good interpersonal s

Memoirs: When you were 30 years old, did you grow up? (Previous article)

(project Manager + demand staff) + backend group (development team).Then, in the Department meeting, the superior to the technical head of the status will introduce me, for me to establish the first prestige.So, and the South's largest project development manager, this is the real power, can mobilize half of the department personnel.And the Department of Technical Chief of the head of this seemingly department number two, although there is no power, but half the prestige.2: Good interpersonal s

How to overcome the dilemma of software testing

country is currently engaged in e-government projects represented by the "twelve gold. These projects involve fiscal and tax resources, as well as high-tech fields such as telecommunications, finance, insurance, aviation, and aerospace, or areas requiring high software reliability, their software testing is far from feasible. Simply imagine that the probability of a defect in airborne embedded software is 10-9. Can the above test alone meet the requi

Lakes environmental Artm View v1.4.2 1CD radiation diffusion simulation model

Lakes environmental Artm View v1.4.2 1CD radiation diffusion simulation modellakes.aermod.view.v8.9.0 1CD Atmospheric Diffusion model PackageARTM (Atmospheric radionuclide Transport model) is a new standard for calculating the proliferation of air-borne radioactive substances under the German Nuclear Act, based on the German Federal OfficeThe atmospheric diffusion model of the German Environmental Protection Agency (-AUSTAL2000), which developed a model of diffusion simulation of radiation, is a

Purification principle of air purifier in Xiang-fu era

treatment technology. 、The fourth generation, Photocatalyst is the use of semiconductors in light of the radiation, the release of strong oxidizing power technology. The advantage of this technology is that the product cost is low, the disadvantage is that the free radical activity causes it to stay in the air short time, to the virus and the bacterium killing effect also limited.Among them, the purification of plasma purification technology is the best, plasma technology is Xiang Fu era carefu

High-speed unloading of IP network, optical network and rail transit

not going to sleep, so let's talk about the high-speed network offload stuff.As early as a few years ago, there was an idea why a train would stop? For the guest? Why do passengers who do not get off the bus pay a time cost for the passengers who get off? Of course, rail carriers will not consider this because they think it is an intrinsic delay, just as an IP packet enters the router's inherent delay in querying a forwarding publication. However, for freight, people may have some different ide

High-speed unloading of IP network, optical network and rail transit

not going to sleep, so let's talk about the high-speed network offload stuff.As early as a few years ago, there was an idea why a train would stop? For the guest? Why do passengers who do not get off the bus pay a time cost for the passengers who get off? Of course, rail carriers will not consider this because they think it is an intrinsic delay, just as an IP packet enters the router's inherent delay in querying a forwarding publication. However, for freight, people may have some different ide

Please match this paragraph, how to write the regular

HD Big Picture MoreChina Artillery Power World Third The chief is a powerful arrow, no false hair. It's too fast, isn't it? The border guards are too bitter to be transported by air

Java face question

) a private or static method in Java?The "static" keyword indicates that a member variable or a member method can be accessed without an instance variable of the class to which it belongs.The static method in Java cannot be overridden because method overrides are dynamically bound based on the runtime, while the static method is statically bound at compile time. The static method is not relevant to any instances of the class, so it is conceptually not applicable.4. Can I access non-static variab

The problem of C/C ++ drill-down is detailed in sizeof

have seen that the above struct B is the same as the Member contained in struct, however, the order is slightly different, resulting in B consuming 50% more space than a. If the array of the struct needs to be defined in the project, the airborne consumption will be huge. Even if the memory price will be reduced to the cabbage price in the future, you should not ignore this problem. Thrift is a fine tradition of the Chinese people. We should inherit

3 dmark 06: tens of thousands of results after High Frequency

is quite large. The CPU and memory are basically the same, and there is no time to slowly find the fastest speed. The video card continues ~ The Default Frequency of the 8800gts in the rainbow is the core 512 MHz, and the memory is 1584 MHz. I can see that the 8800gts overclocking performance on the internet is good, so I am bold to overwrite the core to 600, and the display is above 1.8g. After repeated adjustments, 645 and 1.98 GB were finally selected. The computer's 3dmark06 score after

POJ--3308 -- paratroopers [dinic] bipartite graph vertex coverage + maximum network flow

arc of the row, all column vertices connect an arc with a capacity of the column to the sink point, and an arc with a capacity of INF between the row and the column for the alien airborne position. Set the set of all row vertices to R, set the set of all column vertices to C, set the source point to SRC, and set the sink point to sink. The graph is divided into three modules: SRC → R, R → C, C → sink. After this graph is created, the R → C capacity i

We must not be successful in the "soldier assault ".

survive and progress in despair. During the three-month training, the highest score and top-notch skill are the talents. However, in a similar combat, instructors simulated individual combat performance when other comrades died. When a talented person judges all the sacrifices of his comrades in his group, he enters despair and exits the battlefield because he does not want to die. When the evaluation came, he vaguely knew that he might be leaving, but when he heard that he was kicked out of

[Reprinted] breaking through technical bottlenecks how far is GIS from two-dimensional to three-dimensional?

and near-scene photography measurement, airborne and ground laser scanning, and ground mobile measurement andGPSThe accuracy and speed of other sensors have been significantly improved. The improvement of technology greatly reduces the cost of data acquisition, which provides an important basic condition for the popularization of 3D GIS technology. The rapid development of computer software and hardware makes it impossible to serve the masses with ma

How can I test a new group as soon as possible?

can see 10 examples, but unfortunately many job opportunities are lost. 2. An empty learning attitude:It is necessary to keep a modest learning attitude to a new company. I remember that when I first graduated, the company hired a test supervisor. He had 4 to 5 years of experience and experience was not simple. It was also a good guy in our mind. However, in addition to listening to the director's words, the person in our department is arrogant and has no one at all, I think the team is inferio

Skills requirements of R & D project managers

IQ. For managersA more appropriate definition of is "a manager is ...... A person who gets things done through peopleIn order to achieve highest stackholders'Satisfaction ". This includes guiding the project team towards the set goal, supervising the work performance, pointing out and helping the members solve the problem and making progress, and reporting the situation to the superiors. The aboveThe manager apparently failed to reach home, and did not realize that the project team did not appr

[Iron and Blood open platform] quad-axis team

Control. At present, due to lack of funds for transformation, the ground station is very simple and inconvenient to take out of school. · The hardware is developed using the advanced UAV Development Board and general programming language arduno of foreign countries, and compatible with industry-leading robot standards, such as Willow garages's robot operating system and mavlink communication protocol. This ensures that the drones we developed will continue to be at the forefront of aviation rob

How can we retain employees?-continued

estimated that we will not play it any time, but we will encourage everyone .. [/Quote] I have been working in this company for nearly six years. In the past three years, my boss was very good and talented. Later, I was acquired by a company, and then my boss became a three-person Company. However, there are several projects that some people cannot do and I will be able to help the fire. To some extent, this is also a management personnel, very normal. Each person has his own views on the conce

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