why dsb sc is used?
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DSB-SC transmission is a special case of double-sideband reduced carrier transmission. It is used for radio data systems. This mode is frequently used in Amateur radio voice communications, especially on High-Frequency bands.
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The transmission of such a signal which contains a carrier along with two sidebands, can be termed as Double Sideband Full Carrier system, or simply DSB-FC. ... However, such a transmission is inefficient. Two-thirds of the power is being wasted in the carrier, which carries no information.
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SDS stands for Slotted Drive System (sometimes referred to as Slotted Drive Shaft or Special Direct System depending on the brand). It refers to the way in which the SDS chucks and SDS drill bits work in order to produce the extra force and torque needed to drill through concrete, stone and other tough materials.
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The Server Message Block Protocol (SMB protocol) is a client-server communication protocol used for sharing access to files, printers, serial ports and other resources on a network. It can also carry transaction protocols for interprocess communication.
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Another reason is that DCT can be thought as a compression step. Typically with MFCCs, you will take the DCT and then keep only the first few coefficients. This is basically the same reason that the DCT is used in JPEG compression. DCTs are chosen because their boundary conditions work better on these types of signals.
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DTS (originally Digital Theater Systems) was founded in 1993 to compete with Dolby Labs for surround sound supremacy. ... Like Dolby Digital, DTS has since released a plethora of more advanced surround sound formats including DTS-HD High Resolution, which supports up to 7.1 speaker channels.
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Using a separate power inserter has its advantages. ... This requires more power. Also, using a single power inserter means that all the receivers don't need to have power supplies big enough to power the dish. This makes it possible to have smaller boxes like the DIRECTV H25 which can only be used in a SWM system.
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We use 3DES and not 2DES because 2DES does not yield the security increase that you would believe. ... This also explains why 3DES is sometimes used with a 112-bit key (the third DES key is a copy of the first): going to 168 bits does not actually make things more secure.
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INTRODUCTION. The Differential pulse code modulation (DPCM) [1,2] may be used to remove the unused bit in the image for image compression In analog messages we can make a good guess about a sample value from knowledge of past sample values.
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A DSB orange ticket is a discounted ticket that is sold in limited amounts. If there are still orange tickets available for your selected train(s) that will be a cheaper solution compared to standard tickets. A ticket printed at home is similar to etickets for flights.
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Or, more accurately, the way that the two technologies encode audio. DTS is encoded at a higher bit rate and therefore is considered by some experts to be better quality. Others argue that Dolby Digital's technology is more advanced, and produces better sound quality at a lower bit rate.
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SCSI is most commonly used for hard disk drives and tape drives, but it can connect a wide range of other devices, including scanners and CD drives, although not all controllers can handle all devices.
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In telecommunications, direct-sequence spread spectrum (DSSS) is a spread-spectrum modulation technique primarily used to reduce overall signal interference. ... Each spreading-sequence bit, which is known as a chip, has a much shorter duration (larger bandwidth) than the original message bits.
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Yes. DSM2 transmitters are forward compatible with DSMX receivers, and DSMX transmitters are backward compatible with DSM2 receivers.
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A DSC replaces a hand-written signature in establishing the identity of someone online. Using DSCs to sign and file returns in the GST Common Portal is mandatory for companies and limited liability partnerships (LLPs), and optional for other taxpayers. ... This happens on the Register Digital Signature Certificate page.
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The most visible difference between the two adapters is color. Most singlemode SC/PC adapters are blue and SC/APC adapters are green. ... SC connectors correspond with the adapter; most singlemode SC/APC connectors have green outer shells while singlemode SC/PC connectors have blue outer shells.
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A decision support system (DSS) is a computer-based application that collects, organizes and analyzes business data to facilitate quality business decision-making for management, operations and planning. ... DSS analysis helps companies to identify and solve problems, and make decisions.