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This is a list of science centers in the United States. American Alliance of Museums (AAM) and Association of Science and Technology Centers (ASTC) member centers are granted institutional benefits and may offer benefits to individuals through purchased or granted individual memberships as well.
If the frequency deviation is held constant and the modulation frequency increased, the spacing between spectra increases. Frequency modulation can be classified as narrowband if the change in the carrier frequency is about the same as the signal frequency, or as wideband if the change in the carrier frequency is much higher (modulation index ...
As a matter of convention, the ITU divides the radio spectrum into 12 bands, each beginning at a wavelength which is a power of ten (10 n) metres, with corresponding frequency of 3×10 8−n hertz, and each covering a decade of frequency or wavelength. Each of these bands has a traditional name.
Birla Science Museum, Hyderabad; Gujarat Science City, Ahmedabad; Birla Planetarium, Chennai; Hakim Karam Hussain Museum on History of Medicine and Sciences; Kerala Science and Technology Museum, Thiruvananthapuram; National Council of Science Museums (NCSM) National Science Centre, Delhi; Nehru Museum of Science and Technology, Kharagpur
Peak-to-peak amplitude (abbreviated p–p or PtP or PtoP) is the change between peak (highest amplitude value) and trough (lowest amplitude value, which can be negative). With appropriate circuitry, peak-to-peak amplitudes of electric oscillations can be measured by meters or by viewing the waveform on an oscilloscope .
Entrance to the Science Museum of Virginia. A science museum is a museum devoted primarily to science.Older science museums tended to concentrate on static displays of objects related to natural history, paleontology, geology, industry and industrial machinery, etc. Modern trends in museology have broadened the range of subject matter and introduced many interactive exhibits.
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The frequency range handled by an amplifier might be specified in terms of bandwidth (normally implying a response that is 3 dB down when the frequency reaches the specified bandwidth), or by specifying a frequency response that is within a certain number of decibels between a lower and an upper frequency (e.g. "20 Hz to 20 kHz plus or minus 1 ...