biology

Geneviève Jourdain

Geneviève Jourdain is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Geneviève Jourdain rather than just read about it. In short: Geneviève Jourdain, also known as Geneviève Jourdain Garampon, (31 March 1945 – 19 October 2006) was a French engineer, professor and researcher who played a prominent role in the development of signal processing. She was particularly active in the field of underwater acoustics and, from 1970 onwards, taught information theory, signal processing and telecommunications.

Key takeaways

Geneviève Jourdain belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Geneviève Jourdain to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Geneviève Jourdain from memory before moving on to harder problems.

Reference excerpt

Geneviève Jourdain, also known as Geneviève Jourdain Garampon, (31 March 1945 – 19 October 2006) was a French engineer, professor and researcher who played a prominent role in the development of signal processing. She was particularly active in the field of underwater acoustics and, from 1970 onwards, taught information theory, signal processing and telecommunications. In 2026 she was named as one of the 72 women to have their names engraved on the Eiffel Tower.

Early life and education Geneviève Jourdain was born on 31 March 1945 in Entre-deux-Guiers in south-eastern France. She graduated as an engineer in 1966 from the Grenoble Institute of Technology (Institut National Polytechnique de Grenoble or INP) – then known as ENSERG. She went on to receive her first doctorate in 1979, followed by a state doctorate in 1976 with a dissertation on "la caractérisation des ondes propagées dans un milieu fluctuant" (characterization of waves propagating in a fluctuating medium).

Career Jourdain is remembered both for her qualities as a teacher and for the many contributions made as a researcher, In 1973, Jourdain began her teaching career at the INP, Grenoble, where she rose through the grades until she was ultimately appointed professor. She created courses covering new areas of interest and supervised many doctorate theses. Her teaching covered various schools and departments at the INP, including the ENSIEG (energy and information processing), the ENSPG (physics and nuclear engineering) and the EEATS, where she supervised engineering and doctorate theses in the areas of electronics and signal processing. Jourdain was a pioneering specialist in signal processing and telecommunications which have since become essential components of modern technologies. Her 1970 engineering doctoral thesis on "la conception des signaux" (signal design), in which she made original use of random signals, made a significant contribution to the recognition of the discipline of signal processing. As a result, she became a respected researcher in an area which until then had been primarily handled by men. Her innovations continued in her 1976 scientific doctoral thesis Random and non-stationary linear filters: models, simulations and applications at the Grenoble Institute of Technology. Her wider work investigated integrating non-stationary data into the modelling of underwater acoustics. Her development of signal processing as a significant new area of interest led to her recognition both at the national and international levels. From 1989, she headed the research laboratories in Grenoble, including the CEPAG (Centre d¨Études des Phénonèmes Aléatoires et Géographies), now known as the GIPSA-lab. Under her guidance, her teams developed innovative signal processing technologies based on the principal experimental and theoretical approaches of the times. At the international level, Jourdain spoke at many high level congresses in her areas of interest. She also contributed to work on anti-submarine warfare, both in connection with NATO and with the European Union. Jourdain died on 19 October 2006, aged 61, in La Tronche, in the department of Isère.

Publications Jourdain, Geneviève (1977-01-01). "Synthèse de signaux certains dont on connait la fonction d'ambiguïté de type Woodward ou de type en compression". Annales des Télécommunications (in French). 32 (1): 19–23. Bibcode:1977AnTel..32...19J. doi:10.1007/BF02999820. ISSN 1958-9395. Retrieved 2026-02-01. with G. Ginolhac, G.; Jourdain (2002). "Principal component inverse algorithm for detection in the presence of reverberation". IEEE Journal of Oceanic Engineering. 27 (2): 310–321. doi:10.1109/JOE.2002.1002486. ISSN 0364-9059.

Awards and recognition In 1999, Jourdain was appointed Chevalier de l'ordre national du Mérite. In 2007, the journal Traitement du Signal: Signal, Image, Parole dedicated a special issue to her. In 2016, a CROUS student residence on the Presqu'île de Grenoble science campus was opened, named for Geneviève Jourdain. In 2026, Jourdain was announced as one of 72 historical women in STEM whose names were proposed to be added to the 72 men already celebrated on the Eiffel Tower. The plan was conceived by a student and tour guide named Bernard Rigaud and the list was announced by the Mayor of Paris, Anne Hidalgo following the recommendations of a committee led by Isabelle Vauglin of Femmes et Sciences and Jean-François Martins, representing the operating company which runs the Eiffel Tower.

References

Illustrations

Worked examples

Example 1 — a first encounter with Geneviève Jourdain

Start with the simplest possible case. Write down what Geneviève Jourdain claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Geneviève Jourdain before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Geneviève Jourdain ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Geneviève Jourdain

In research: Geneviève Jourdain appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Geneviève Jourdain in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Geneviève Jourdain is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1945 births, 2006 deaths, 20th-century French engineers, so understanding it makes those chapters shorter.
In everyday life: Look for Geneviève Jourdain outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Geneviève Jourdain in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Geneviève Jourdain means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Geneviève Jourdain out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Geneviève Jourdain in simple terms?

Why does Geneviève Jourdain matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Geneviève Jourdain?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Geneviève Jourdain.