1, the difference in time error: over time, the optical drive watch may appear time error. The optical Drive wave watch uses a precise cesium atomic clock for standard time electricityThe long-term error of the wave can be controlled to only one second every 100,000 years. Jet lag adjustment function: Eco-drive watches usually do not provide jet lag adjustment function.
2, the difference: 1, the use of the two principles are not the same, the optical kinetic energy watch is the conversion of light energy into electricity, and the light wave watch is through the radio wave to make the watch run. 2, the optical kinetic energy is by absorbing light energy to obtain energy, is the system of converting light energy into electrical energy watch, in the entire charge and discharge process of the watch, the optical kinetic energy rechargeable battery is used as a container to store and release energy to work.
3, radio wave receiver and antenna: the table of optical kinetic energy is quartzng> Wireless charging and transmitting waveform is a cellular wireless telephone system built by analog technology. Wireless communications during this period were limited by network capacity and could only support voice calls, and typical AMPS systems were representatives of the 1G era. 2G Wireless charging and Transmitting waveform : Leading the digital voice revolution 2G, the second generation of mobile communication technology, marked the transition from analog to digital.
The wavelength is shorter, to 1 meter ~1 cm, it is interesting. On the one hand, even though the attenuation is obvious, you can still runOne hundred kilometers, enough; On the other hand, the frequency to the GHz level, can carry enough information, not only words can be said, there is extra time for you to add a secret or something. So this band is the focus of communication, what 1G2G3G4G, what satellite communication radar communication, all here, collectively referred to as microwave communication.
From 1G to 5G era, the main changes can be divided into the following stages: 1G era: 1G represents the first generation of mobile communication technology, based on analog technology, the main function is voice transmission. This era of mobile communication systems, such as the early analog mobile networks, has graduallyBe eliminated. 1G technology is designed to support only voice traffic and is limited by network capacity.
From 1g to 5g era, the main changes are as follows: 1G era: only voice transmission, 1G represents the first generation of mobile communication technology, cellular wireless telephone system based on analog technology, such as the analog mobile network that has been eliminated. 1G wireless systems are designed to carry only voice traffic and are limited by network capacity. The streets of the 1G era were full of public phone booths and people waiting to make calls, and everyone wore BB phones on their belts.
is 5G, by ITUIt is divided into two application scenarios: mobile Internet and Internet of Things. 5G has the characteristics of low delay, high reliability and low power consumption, it is no longer a single wireless access technology, but a variety of new wireless access technology and existing technology (such as 4G) integration solution. From 3G to 4G, every 10 years to update the generation of wireless communication technology, according to this law, 5G is expected to mature in 2020, and will further change the wireless charging and transmitting waveform our lives.
Today's network technology continues to advance, most people have begun to use 5G mobile phones. However, not allAll regions are covered by 5G networks. This article will briefly review the evolution of the network from 1G to 5G. 1G network: In the early 1990s, 1G network emerged as the starting point of a new era of communication. At that time, the mobile phone was large, known as "mobile phone", only supported calls, and the signal was unstable, and the call was often interrupted.
1, last year, OPPO Reno masterReno Ace for performance is officially released. This year OPPO has revamped its product line. Ace, originally owned by Renault, is officially independent and calls itself Series. The release of Ace2 is the first product in the series. OPPO Ace2 supports wireless charging OPPO Ace2 supports 40W AirVOOC wireless flash charging. According to the official, this is also the fastest 40W wireless flash charge in mass production, which takes 56 minutes to fill an OPPO Ace2.
2, the OPPO Ace2 file was released on April 13, this phone will undoubtedly become the focus of the market, its largestThe highlight is its charging technology. OPPO Ace2 is the first to support 40W wireless VOOC flash charge, and also has 65W wired flash charge function, which is the strongest fast charge flagship on the market.
3, OPPO released an innovation, 40W wireless fast charging record, only 219 yuan from OPPO in the field of wireless charging again to refresh the record, its latest flagship OPPO Ace2 equipped with the world's first commercial 40W power AirVOOC wireless flash charging technology. This breakthrough technology enables a 4000mAh battery to be fully charged in as little as 56 minutes, simply by charging5 minutes of electricity can provide strong support for 1 hour of mobile phone battery life, showing the strong strength of wireless charging.
4, OPPO Ace2 supports wireless charging with a maximum power of 40W, and a full charge takes only 56 minutes. Tips Wireless charging transmission waveform : In order to achieve wireless charging, you need to purchase AirVOOC wireless flash charging base separately. Purchase details please see OPPO official website Oh ~AirVOOC charging board needs to connect 65W charging head and charging cable, in order to achieve the maximum 40W fast charge of OPPO Ace2. In hot weather, AirVOOC charging speed may be delayed.
5, 30th news, OPPO Ace2 will be released in April. According to the news, OPPO Ace2 is the first 40W wireless VOOC flash charge, and the charger model is OAWV01 wireless charge emission waveform ; It also supports 65W SuperVOOC Super flash charge, and the charger model is VAC7GACH. This will be the world's first mobile phone with the highest wireless fast charge and the highest wired fast charge, truly achieving the king of mobile phone fast charge.
6, Method 1 Step 1. OPPOAce2 supports wireless charging. OPPOAce2 is a smartphone owned by OPPO that was released on April 13, 2020. OPPOAce2 is equipped with Snapdragon 865 processor, equipped with 48 megapixel quad-camera, support 40WAirVOOC wireless flash charge, 65W super flash charge. OPPOAce2 adopts a 5-inch 90Hz refresh rate OLED flexible panel straight screen on the front, which is about 160 mm long, 74 mm wide, 6 mm thick and weighs about 185 grams.
While he mainly studied the Earth's free solar power system, nothing from the ionosphereA system for transmitting electrical power to the ground. The ionosphere is the upper atmosphere, a charged layer of positive and negative ions ionized by the solar wind. He wants to draw electricity straight from here, no electricity at all. Nature's pure natural free solar energy..
Electricity can also be transmitted wirelessly. Wireless transmission of data is also a kind of electrical transmission to some extent, but the power of the "electricity" transmitted is not large. Usually, the receiving end of wireless data transmission needs power to amplify the received information, so the energy required for data transmission does not need to be large. The difficulty of radio transmission is not the protocol, but the large-capacity radio transmission.
uniWP method is adopted. The uniWP concept of transmitting energy over a wireless link enables a variety of new applications and functions. Even in harsh and dynamic coupled environments, an effective insensitive operation mechanism allows the system to operate within its maximum physical limits with simple power scalability far superior to existing solutions.
1, electromagnetic wave (1) generation: When a conductor passes through a rapidly changing current, the conductor will emit electromagnetic waves to the space around it. (2)Propagation: The propagation of electromagnetic waves does not require a medium, and can propagate in a vacuum or in a medium. The electromagnetic waves used in radio communication are called radio waves, which are electromagnetic waves with frequencies within a certain range.
2, [audio] also known as audio frequency, is the frequency that the human ear can hear. Usually refers to the frequency between 15 and 20000 Hz. Speech frequency refers to the speech frequency in the audio range. In general telephone channels, it usually refers to the frequency between 300 and 3400 Hertz (Hz). Radio frequency The frequency of electromagnetic waves that a radio transmitter can effectively transmit into space through an antenna, collectively referred to as radio frequency.
3, [radio telemetry] is to measure distant objects. Get the data you need. Such as radio telemetry automatic weather station, located on a mountain, do not need people directly in the mountain weather station operation, you can know the required information, such as atmospheric pressure, atmospheric temperature, atmospheric relative humidity, average wind speed, rainfall and so on.
4, the basic knowledge of radio communication includes the basic characteristics of electromagnetic wave, the basic principle of antenna, modulation and demodulation technology, digital communication technology, etc.