direct sequence

USAGE SUMMARY

The phrase "direct sequence" is correct and usable in written English.
It is typically used in contexts related to signal processing, telecommunications, or data transmission to describe a method of encoding or transmitting information. Example: "The system utilizes a direct sequence spread spectrum technique to enhance signal reliability and reduce interference."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

46 human-written examples

For years, proponents of frequency hopping -- who include members of the HomeRF group -- have squared off with engineers who favor a different technique, called direct sequence.

The New York Times

direct sequence.

EURASIP Journal on Wireless Communications and Networking

direct sequence ultra-wideband.

EURASIP Journal on Wireless Communications and Networking

These proposals are also made for direct sequence (DS -UWB.

EURASIP Journal on Wireless Communications and Networking

For the direct separation sequence, two configurations exist: direct sequence with forward heat-integration and direct sequence with backward heat-integration.

Computer Aided Chemical Engineering

The systems were developed based on direct sequence, indirect sequence, Petlyuk and side stripper designs.

Chemical Engineering Science

Human-verified similar examples from authoritative sources

Similar Expressions

14 human-written examples

Fig. 1 Direct sequence-spread spectrum receiver.

EURASIP Journal on Wireless Communications and Networking

Direct sequence-spread spectrum modulation can be explained through two modulation stages.

EURASIP Journal on Wireless Communications and Networking

Downlink direct sequence-code division multiple access (DS-CDMA) signals typically exhibit large dynamic range.

EURASIP Journal on Wireless Communications and Networking

Spreading sequences are used in direct sequence-spread spectrum (DS-SS) systems for spreading the baseband information signal.

EURASIP Journal on Wireless Communications and Networking

When performing direct sequence-specific PCR, approximately 3 ng of genomic DNA was used when testing maternal plasma.

Plosone

Expert writing Tips

Best practice

When using "direct sequence" in technical writing, ensure the context clearly defines the type of sequence being referred to (e.g., "direct sequence spread spectrum" or "direct sequence distillation").

Common error

Avoid using "direct sequence" without specifying the field or application. The term has different meanings in telecommunications, chemistry, and genetics, leading to potential ambiguity if the context isn't clearly established.

Linguistic Context

The phrase "direct sequence" functions as a noun phrase, typically acting as a modifier to describe a specific type of sequence, often in technical contexts. Ludwig's examples showcase its use in various fields like telecommunications, chemistry, and genetics.

Expression frequency: Very common

Frequent in

Science

78%

News & Media

13%

Formal & Business

9%

Less common in

Ludwig's WRAP-UP

The phrase "direct sequence" is a versatile term with distinct meanings across various fields, notably telecommunications, chemistry, and genetics. Ludwig AI confirms its grammatical correctness and frequent use, particularly in scientific and technical contexts. When employing "direct sequence", clarify the specific domain to avoid ambiguity. Alternatives like "straight sequence" or "immediate sequence" may be suitable depending on the intended meaning. The consistent use across authoritative sources reinforces its validity and importance in technical communication.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

straight sequence

Uses a more common adjective while keeping the core meaning of a straightforward order.

immediate sequence

Emphasizes the lack of delay or intermediary steps in the sequence.

uninterrupted sequence

Highlights the continuous nature of the sequence, without breaks or interruptions.

sequential order

Reorders the words but retains the core meaning of a progression.

consecutive series

Replaces 'sequence' with 'series' and 'direct' with 'consecutive', focusing on the ordered arrangement.

linear progression

Uses 'linear' to convey the directness and 'progression' to represent the sequence.

forward sequence

Emphasizes movement in one direction within the sequence.

successive order

Similar to sequential order, but with a slightly different emphasis on following one after another.

primary sequence

Emphasizes the fundamental or initial ordering.

first sequence

Denotes the initial positioning in a series of actions.

FAQs

How is "direct sequence" used in telecommunications?

In telecommunications, "direct sequence" often refers to Direct Sequence Spread Spectrum (DSSS), a method of signal transmission that spreads the signal over a wider bandwidth using a pseudo-random code. This technique is used to improve signal resistance to interference.

What does "direct sequence" mean in chemical engineering?

In chemical engineering, "direct sequence" can refer to a specific arrangement of distillation columns used for separating components in a mixture. This is as opposed to alternatives like an "indirect sequence".

How does "direct sequence analysis" relate to genetics?

"Direct sequence analysis" in genetics refers to determining the exact order of nucleotides in a DNA or RNA molecule. This technique is used to identify mutations, variations, and other genetic features.

What are some alternatives to using the phrase "direct sequence"?

Depending on the context, you might use alternatives such as "straight sequence", "immediate sequence", or specify the type of sequence more precisely (e.g., "genetic sequence", "process sequence").