Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Arithmetic Sequences01:30

Arithmetic Sequences

164
An arithmetic sequence is a structured arrangement of numbers where each term is derived by adding a constant value, known as the common difference, to the previous term. This consistent pattern allows for the efficient computation of any term within the sequence as well as the cumulative sum of multiple terms. The formula for finding the nth term of an arithmetic sequence is:Here, aₙ represents the nth term of the sequence, a is the first term, d is the common difference, and n is the...
164
Binomial Expansion Using Pascal's Triangle01:30

Binomial Expansion Using Pascal's Triangle

183
Expanding a binomial expression such as (a + b)n results in a predictable sequence of terms that can be systematically derived using Pascal’s Triangle. This triangular array of numbers plays a central role in understanding and computing the coefficients of binomial expansions.Pascal’s Triangle is constructed such that each row corresponds to the coefficients of a binomial raised to a power. The topmost row, known as the zeroth row, corresponds to (a + b)0, and each successive row...
183
Bulk Modulus01:21

Bulk Modulus

672
The bulk modulus is a scientific term used to describe a material's resistance to uniform compression. It is the proportionality constant that links a change in pressure to the resulting relative volume change.
672
Real Zeros of Polynomials01:27

Real Zeros of Polynomials

114
Polynomials are algebraic expressions of terms with variables raised to non-negative integer powers. A central aspect of analyzing polynomial functions is determining their real zeros—values of the variable for which the polynomial evaluates to zero. These values represent the x-intercepts of the polynomial’s graph.The Rational Zeros Theorem lists possible rational solutions for a polynomial equation with integer coefficients. If f(x)=anxn+....+a0​, then every rational zero is...
114
Parallel-axis Theorem01:06

Parallel-axis Theorem

8.0K
The parallel-axis theorem provides a convenient and quick method of finding the moment of inertia of an object about an axis parallel to the axis passing through its center of mass. Consider a thin rod as an example. There is a striking similarity between the process of finding the moment of inertia of a thin rod about an axis through its middle, where the center of mass lies, and about an axis through its end using the conventional method. In the conventional method, the concept of linear mass...
8.0K
Parallel-Axis Theorem for an Area01:12

Parallel-Axis Theorem for an Area

2.9K
The moment of inertia is a fundamental concept in mechanical engineering that plays a significant role in designing rotationally symmetric objects such as flywheels, gears, and other mechanical systems. In this context, we will discuss the moment of inertia of a flywheel rotating about its centroidal axis and how it relates to the moment of inertia about an axis parallel to it.
For a flywheel approximated as a solid disc, consider an infinitesimal differential element with an arbitrary distance...
2.9K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Chemical exposome patterns in mothers and children across urbanisation levels in five European birth cohorts.

Journal of exposure science & environmental epidemiology·2026
Same author

Fluorescence-Coupled Ubiquitination Assay as a High-Throughput Screening Strategy for Novel Cereblon Degraders.

Journal of medicinal chemistry·2025
Same author

Dual-site molecular glues for enhancing protein-protein interactions of the CDK12-DDB1 complex.

Nature communications·2024
Same author

A simple method for moving source depth estimation applied to the SWellEx96 data.

JASA express letters·2022
Same author

[Effectiveness of the "14 plus 7 day quarantine" and "nucleic acid plus total antibody testing" strategy for screening imported patients with COVID-19 in Xiamen].

Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi·2021
Same author

Beam-time delay domain deconvolved scheme for high-resolution active localization of underwater targets.

The Journal of the Acoustical Society of America·2020

Related Experiment Video

Updated: Jan 6, 2026

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar
07:14

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

Published on: May 1, 2018

8.1K

Array gain of coprime arrays.

T C Yang1, Zhengzheng Ye1

  • 1College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, Zhejiang, 310027, Chinatsihyang@gmail.com, 3130102101@zju.edu.cn.

The Journal of the Acoustical Society of America
|October 9, 2019
PubMed
Summary
This summary is machine-generated.

A novel coprime array design using product processing (PP) achieves the same beam width as a full array while suppressing grating lobes. Coherent PP enhances array gain (AG) significantly, offering supergain performance.

More Related Videos

Array Comparative Genomic Hybridization Array CGH for Detection of Genomic Copy Number Variants
09:16

Array Comparative Genomic Hybridization Array CGH for Detection of Genomic Copy Number Variants

Published on: February 21, 2015

20.3K
Author Spotlight: Introduction to Active Probe Atomic Force Microscopy with Quattro-Parallel Cantilever Arrays
05:04

Author Spotlight: Introduction to Active Probe Atomic Force Microscopy with Quattro-Parallel Cantilever Arrays

Published on: June 13, 2023

2.3K

Related Experiment Videos

Last Updated: Jan 6, 2026

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar
07:14

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

Published on: May 1, 2018

8.1K
Array Comparative Genomic Hybridization Array CGH for Detection of Genomic Copy Number Variants
09:16

Array Comparative Genomic Hybridization Array CGH for Detection of Genomic Copy Number Variants

Published on: February 21, 2015

20.3K
Author Spotlight: Introduction to Active Probe Atomic Force Microscopy with Quattro-Parallel Cantilever Arrays
05:04

Author Spotlight: Introduction to Active Probe Atomic Force Microscopy with Quattro-Parallel Cantilever Arrays

Published on: June 13, 2023

2.3K

Area of Science:

  • Array Signal Processing
  • Antenna Theory
  • Electromagnetics

Background:

  • Conventional beamforming (CBF) with full arrays provides a benchmark for array performance.
  • Product processing (PP) is an alternative method for array signal processing.
  • Grating lobes are a common issue in conventional array designs that can degrade performance.

Purpose of the Study:

  • To design a coprime array that matches the beam width of a full array.
  • To suppress grating lobes using the proposed coprime array configuration.
  • To investigate and enhance the array gain (AG) of coprime arrays through advanced processing techniques.

Main Methods:

  • Design of a coprime array with M+N-1 elements.
  • Application of product processing (PP) for beamforming.
  • Utilizing coherent product processing to achieve enhanced array gain.

Main Results:

  • The coprime array achieves the same beam width as a full MN-element array.
  • Grating lobes are effectively suppressed in the coprime array design.
  • Conventional PP results in slightly lower AG (10log(M+N-1)) compared to CBF.
  • Coherent PP yields an array gain of 10log(MN), matching the full array, a phenomenon termed 'supergain'.

Conclusions:

  • Coprime arrays, when combined with coherent product processing, offer a significant advantage in array gain.
  • This approach provides a method to achieve 'supergain', outperforming conventional methods.
  • The designed coprime array offers an efficient solution for beamforming with improved performance characteristics.