- electronic frequency meter
- Техника: электронный частотомер
Универсальный англо-русский словарь. Академик.ру. 2011.
Универсальный англо-русский словарь. Академик.ру. 2011.
Frequency — For other uses, see Frequency (disambiguation). Three cyclically flashing lights, from lowest frequency (top) to highest frequency (bottom). f is the frequency in hertz (Hz), meaning the number of cycles per second. T is the period in seconds (s) … Wikipedia
Electronic test equipment — (sometimes called testgear ) is used to create signals and capture responses from electronic Devices Under Test (DUTs). In this way, the proper operation of the DUT can be proven or faults in the device can be traced and repaired. Use of… … Wikipedia
Electronic tuner — Pocket sized Korg chromatic LCD tuner, with simulated analog indicator needle The term electronic tuner can refer to a number of different things, depending which discipline you wish to study. In the Discipline of radio frequency electronics an… … Wikipedia
Frequency mixer — This article is about non linear mixing operating in the frequency domain. For other types of mixers, see electronic mixer. Frequency Mixer Symbol. In electronics a mixer or frequency mixer is a nonlinear electrical circuit that creates new… … Wikipedia
Radio Frequency Identification — Die Neutralität dieses Artikels oder Abschnitts ist umstritten. Eine Begründung steht auf der Diskussionsseite. siehe: Abwahl Lesenswert Februar 2007 … Deutsch Wikipedia
Automatic meter reading — [ smart meter ( [http://www.elstermetering.com/en/1914.shtml Elster REX type R15] ) with 900MHz mesh network topology for AMR] Automatic meter reading, or AMR, is the technology of automatically collecting data from water meter or energy metering … Wikipedia
Gas meter — A gas meter is used to measure the volume of fuel gases such as natural gas and propane. Gas meters are used at residential, commercial, and industrial buildings that consumes fuel gas supplied by a gas utility. Gases are more difficult to… … Wikipedia
Microwave power meter — A microwave power meter is an instrument which measures the electrical power at microwave frequencies. Usually a microwave power meter will consist of a measuring head which contains the actual power sensing element, connected via a cable to the… … Wikipedia
sound-level meter — ▪ instrument device for measuring the intensity of noise, music, and other sounds. A typical meter consists of a microphone for picking up the sound and converting it into an electrical signal, followed by electronic circuitry for operating … Universalium
Wireless electronic devices and health — For mobile phones, see Mobile phone radiation and health. The World Health Organization has acknowledged that electromagnetic fields (EMFs) are influencing the environment (but not people), and that some people are worried about possible… … Wikipedia
Noise-figure meter — A noise figure meter is an instrument for measuring the noise figure of an amplifier, mixer, or similar device. An example instrument is the 1983 era Agilent 8970A. Contents 1 Measurement methods 2 Noise source 2.1 Thermal noise … Wikipedia